SCIENTIFIC ABSTRACT KRAVCHENKO, V.M. - KRAVACHENKO, V.S.

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• Sequence Number: 4
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

V. M, YETIE-VIRC), A. P.
-UL#
S'Solutions, Solid
Binary solid solutions of tricyclic molecules of
fluorene, phenanthrenep anthracene, and carbazole,
Zhur. prIkl. khim., 25, No. 6, 1952.
Monthly List of Russian Accessions, Library of Congress October 1952, UNCLASSIFIED

7-77-77
v C h ~z LITWO-camponcut systerna cf coadeosad two-tint mde.
*fd& the
s --F We I ti
Cf, C.,A. 4
fudG16(ound indelte (11~(Oifn a ccaitinuau% of rohd
suairm, such - t the tn.vi. art ahnost Uwar (wwfir-us,1 the
Ti:e sv:it,~m I- Euphthalmt (111) Cs-
hibitt tt ptowunced MI-41, 4a 40'. 1" 226 MSqe ,~ 111, "'berms
the S6rocder Matiair x%w1d Vic-L' a long tlqi min, I aal
Unqu6i'lint. Uy) yiM a cutv;~ vd(h 2 lairdlua. ;kl 6' for
m4* for , 13.1s, (or the
WX MW tic #217" a IV With a maK. at;.
I. I CiLICU.- C.U,,N~ Ttze rivvefa U-bcukrm (V)
hasawlif at -9,roC7117C.-V, 111C%v-i(ei(1I It ft an, txa, M
I.-
a c4p-- of, limited maEd s4tai, with 01,, diffcicac.~ In 4;t 1g.
In
(fee paks of eketraim With a It Wild: aul I-V, ft cute tic
due (a If boadilig, Futur It. Wthtuant%

V. M.
T Ls III ind
"he
f
Ind. Zeno. V. f. Kuvchl2to S.
KhruAbyheX ;Mdti; D- Zhur. Fis. Mint.
Uriat ongts -
26, 12MA"1952); cf. ZIjur. Priklad. KUM. 2S. 313
1952).-The systeing Cjtlj~C,jlt-CjIr4 (1) and CtH~-
ifIN-C411S (11) were studic(L The rn.p. of each System is
R
tabulated anti grnplied as a function of the conen. of each
component; for I vallici are given for the Coils/C414 tnol.
ratios 12.41/87.69. 26.39/73.61. 64-92/45.09, and 68.16/
31.85, while for 11 the CollsICtIlYN mol. rntioi ara 32.3/
07.7, L9,3/47.7, 72,36!27,05. The corresponding eutectIC
temps. for 11 am -27.6 to -28.5% -31.8 to -32.5% and
-35.0 to -37.2% mp. In both systems the triangular
diagram 13a* a single line of binary eutectics. This line
divides the field of crystn. of the solid soln. of CsHrCtolls
I-In the Cell# field in 1. and that of the solid snin. of Qjfr
CJIjN froul the C4lIj field In 11. J. YA I ~~

USSR/Chemistry - Solid Solutions I Feb 52
"Ideal Type Crystallization Diagram of a Two-Com-
ponent Pe.-itectic Solid Solution," V. M.
Itravchenko, Donets industrial Inst imeni 19. S.
Kbrushcheva
"Dok Ak Wauk SSSR" Vol LXXXII, No 4, PP 597-600
An Ideal type of temp-compn(T,X) diagram is utilized
in physicochem a".Lysis as a std for 2-component
and polycompont-nt and eutectic. systems. Such a
diagram in a rectilinear form has recently been
proposed by the author for simple, unsatd, 2-
component solid so3ns. Now, he proposes a similar
diagram for a peritectic equil in a dual sys Ltem.
213T17
Five diagrams are constructed froxLexptldata on
the following system : p_C94CI1 0 P-06412;
P-C6H4C]3'C%P- - P-C6F-4BrNO2; p-C6H4BrI - P-C6H412;
P-C6H4B-r2 - P-COOrI; 1-ClOR16 - d-Ciohl6-
Cross sections of the mols in the above system
b&ve similar dimensions as shown by X-ray and
electrongraphic measurements. The diagrams show
that as components in the systems become more &like,
the peritectic isotherm becomes shorter until it
becomes a point at the limit. From this it is
Possible to get an ideal type peritectic diagram
T,X in which the peritectic point is connected by
StrA.ight 11- to the melting points of the compo-
Uents. At the limit, these 3 points fall on a
straight Jim.
213T17
S
t

IRAMGM0 V M
Condensed phase equilibrium in binary systems of naphthalene and its
homologs. Review and forecast of naphthalene systems. Ukr.khim.thur.
19 no.1:21-35 153. (MLRA 714)
1. Donetskiy industriallnyy institut im. N.S.Xhrushcheva.
(Naphthalene) (Systems (Chemistry)

MVCHEnKo, V.M.
~00.
Equilibrium in condensed phases of four-ring hydrocarbones vith
one-, two-, and three-ring hydrocarbones. Pyrene systems.
Ukr.khim.zhur. 19 no-5:484-490 153, (MLRA 8:2)
1. Donetskiy industriallzy7 inatitut lm.N.S.Khrushcheva.
(Pyrene) (Condensation products (Chemistry))

raavohenko, V. 114:
--------- J-7,
Xw~ antf pir hydrijubms. 4
Pmae
(em. v Kkien, z
100); Khtx.. 1994, No. jg~yr&--A
tkimal anal-1-sk ~ M t of W-ry %Yltrml of pyrcne~x)
with flutt
and ardfiraceffe (VII).
All wrm of the tutgct(c (y mtvdic mNt%. of the
sYsUM% %%vte: - I ifid It, 24 rtld of 1, Gtll*; I and Ill. -
29.1 moL 70 of 1; 64.01; 1 (mcl jl~a 3.3-34 mul I dg*,
t awt V pmx. (6 Mot. "-- of V 91 V. 1
kmi
mal, SUP; I awl VIT. 20.'Q of VII, 130-.
cr)-stfl. of COMPDA(mV, within'a vstem wurrcd at 1-1*
sumtenoliq. Thc equit. dkigiran~% %mv in ZjwA r.&ytt.
mgmt Ivith r""Ousim" deriml nn the! NW75 ef the 0411CA and
fim~V'4 rig ledlnfi% 61 MCI. "Ifxk'14 qf t1m COMIX111tIltm, - FmItt
t(w 61 E
tilt S!fr(-(fvr cqtultion wan appro'c' The,
T-V kid fillfiled 5,01ilt 50111S. -.1t41 a Ilk'fitt. ti
c Ic

KRAMMIKO. V.M.
.
Equilibrium of condensed phases In systems formed by anthracens
with naphthalene homologues, di- and octaWroanthracene. Ukr.
khim.zhur. 19 no.6:599-609 153. (W-RA 8:5)
1. Donetskiy industriallny7 inatitut imeni H.S.Khrushcheva.
(Anthracens) (Naphthalene) (Systems (Ghemistry))

nAVCHENKO, V.M.; FASTUKHOVA. I.S.
I
Crysta.1lization of 2,6-dimethylnaphthalans in binary, o7stems with
benzene homologues, naphthalene, and diphanyl. Ukr.khim.zhur.
19 no.6:610-617 153. (~WU 8:5)
1. Donetskiy induatrialinyy institut imeni If-S-Khrushchava.
(Naphthalene) (Systems (Chemistry))

14401 t"Ma of Oquifibtfum diagrotras for liquid &ad crystal-
U126 phsten.' V. ~kt. Kravcheitko (N. S. KhruAivhLv Mucts
laid. Khiws. 27, 41-2~5(19ZU-
Known Ideal tcmP.-compn. diap-Ams are AHW.1%-ATif anti
new ones am estabUsbcd lor Certain tusic claulpitA of rquil
for the liquid and cryst. pbaws. In setting up the ideal
ternp.-cocapa. dincram the following were causiticred.- (a)
the tetup.-Comp". diagmals (cc a groug, of binary orl. sys-
tem that had been studlerl"pertmenta y,(b)topwaphical
PMullatitles of the diacrunts. (c) relation betwLt-n the type
a dkigram and the proptrtles of the coniponcoto.. The
rtadta obtaked for binary systcm Were extCadal to WMC
COLOCS of the phase equil. in system of 3 and 4 compottents.
-The Ideal tcmp,c~. diagram assumes the sAnic role w
the Conception of an ideal gas to its upplicatioti to Qctujl
I-Roytaffcucts,

The ternary systerna lndeno-isoquinollne--naplith-i.~,
Kr-a%,-
--cht'nkn-and ~, 61
Zhur. P,11's~,xvm-.,-]VAL JCMkl
17, f,2,15d.-Ttiatigular phnse diagrams will solid
phase modet., were Prerol. ftcrn exilit- (laid 013i""nt" tile
Observat Ion of the ter'lary system5l indent (I
(A1h1uu1h1II,Vg (111) ftnd H-111-C41114, temp.
stn. ivtmt in 51aod mA a
TY t,61,01tilto futtWon of tile rtate trac-
110115 n[ the compollell0k . th sys(ems. The I-M-111
syt" crystnilize4l in the form of contimlous 90511 sobts.
I I r, solid ph;v;c model mitnincd nu ternp. min. uxcrpt at the
"Ilrelpoills.. In the phase "IeNtO of the 11-111-C.11say5teta
it tint q( 41~,-uhtc cutm-tics serd, the ficid of trystil, of tile H-
III vAid tobl. from tImt of CA44- T. W. Lowtherv. Yr.

-----------

cat $*Ae- a--,- 'I
'-
,
r
t
, MI-0,
o
wa
L5 i
it
--,-Att

we -~(ln
.1,j P5 xt jil%lf . ttl( by ditrin
RMIYiLc~ and fll~ vuv~ctic tt:c y,tz,;lA were d,;t4.-
The latelt" fmfdau. of cfirv~z%o 0 t~ Grlpl 'al hllrjl~
ly -4 -, -4f. 1"~, 27,
C akd. utc sble~ foraoiL /,~! frt~!~ Zt
~
Tj the ijartil ft!inp. v.1th :e m-As'. ul
mp..af cbrYv,;!t E, *K .
naphthaknc,'in 'K.,~.mLd R LOS ezil.1mil. from, .,c

K"I-m 'e e"*

V I , '- ,/1~ L. -I
C
AUTHORS:Kravchenko, V.1d. and Pastukhova, I.S. 73-2-7/22
TITLE: Diphenyleneoxide systems with 2- and 3-wing hydrocarbons
and carbazole. (Sistemy difenilenoksida, s dvukh- i
trekhkollehatymi uglevodorodami i Icarbazolom).
PERIODICAL: ,Ukrainskiy Xhimicheskiy Zhurnal" (Ukrainian Journal
of Ch-em-fs-try), Vol'.23, No'929 March-April, 1957,
pp..180-190 (USSR).
ABSTRACT: Diphenyleneoxide occurs in considerable quantities in
coal tar (Ref'.I: P.P'.Karpukhin, Trudy Soveshchani a Po
Tsiklicheskomu Syriyu AN SSSR9 OTN, M.-L.,1937,P~Miin
approximately similar percentage as anthracene, carbazole
and acenaphthene. (Ref.l: P.P.Rarpukhin, Trudy.Soveshchan-
iya*Po Tsiklicheskomu Syriyu AN SSSR, OTN,M.-L.,l937,p'.63;
Ref.2: M.S.Litvinemkol Koksokiiimicheskaya Promyshl.tUSA,
1947). Phase equilibria were determined for 9 two-
component systems for diphenelene oxide and the following
components: naphthalene, 2-methylnaphthalene, 2,6-dimethyl-
naphthalene, 2,7-dimethy1naphthalenel fluorene, phenan--
threne, anthracenep acenaphthene and carbazole. The ob-
Card V3 tained data characterise the conditions at the beginning
and the end of crystallisation of the substances. Equili-
brium data for all the above named binary systems are

73-2-7/22
Diphenyleneoxide systems with 2- and 3-ring hydrocarbons
and carbazole. (Cont.)
tabulated (Table 1). Lines of ideal solubility are plotted
in Diagrams 1 and 2 and calculated according to I.F.Shre-
der' s equation (Ref -5: I.FI.Shreder, Gornyi Zhurnal, 1890,
No'.121 272)'. It was shown that the systems dipheqrlene
oxide-naphthalene, diphenylene oxide-216,-dimethylnaphtha-
lene, diphenylene oxide- 20-diitethy1naphthalene, di-
phenylene oxide - anthracene and diphenylene oxide -
acenaphthene have a simple eutectic equilibrium. Diphenyl-
ene oxide - phenanthrene form organic solid solutions. The
system dipherWlene oxide -2-methylnaphthalene gave organic
solid solutions which are characterised by a phase diagram
with a minimum. Diphenylene oxide -fluorene and diphenyl-
ene oxide - carbazole gave a continuous series of solid
solutions. The heat of fusion of diphenylene oxide was
calculated from the data obtained by thermal analysis and
found to be 4200 Cal/mole. The type of binary systems of
diphenylene oxide with various 2- and 3-ring components
was considered in connection with the structure of the
Card 2/3 molecules. Diagram 5 shows sectional diagrams of the
various molecules of the above named compounds.
There are 5 diagrams, 1 iable and 13 references, 7 of which

73-2-7/22
Diphenyleneoxide systems with 2- and 3-ring hydrocarbons
and carbazole . (Cont.
are Slavic.
ASSOCIATION: Donets Industrial Institute, imeni. N.S.Khrushchev.
(Donetskiy Industriallnyy Institut im. N.S'.Khrushcheva).
SUBMITTED: June 21, 1956.
WAILk
IBLE: Library of Congress
Card 3/3

0,
KRAVCHMO, V.K.; PASTUKHOVA, L.S, (Stalino)
A study of the crystallization of acenaphtene in single, two,
and three ring hydrocarbon systene [with summar7 in English].
Zhur.fiz.khim-31 no.8:1802-1811 Ag '57. (MIRA 10:12)
1. Donetskiy indugtrialinyy institut im. N.S.Xhrushcheva.
(Crystallization) (Acenaphtane) (Hydrocarbons)

KRAVCHEMKO, V.M.; PASTUKHOVA. I.S.
Crystallisation of diphanylensulfide In one-, two-. and three-,
ring compound systems. Ukr. khIm. zhur. 24 no. 2:168-176 158.
(MIRA ll;G)
1, Donstskiy industriallnyy inatit%it, g. Stnlino.
(Dil)euxothiaphene)
(Systems(Chemistry))

AUTROU: Kravuh(atko, V. M. Pastukhova, 1. S. 20-119-2-26160
TIME: 'I'lio Etiuilibritim of Conoensed Phaeve in the! Naphthalene -
Thionarilithene 3yeteal
(Rti-'~rliovasiye kandc-n3i.rovannykh fpz 6- oiet-~me naftalin-
ti otlm'l
PERIODICAL: DoV1'ady Akademii Nauk SSSR, 195E, Vol* 119, Nr 2,
ppi~ 285-287 (USIV)
ABSTRACT: Naphthalene is produced from coal tar with an admi --ure of
thionaphthene. This admixture is rqmoy-l by moans u;*
repeated washing with concontrat-d WLth a Coilow.:Tlg
rectifioation and by menns of other The (ilffjeulties
rising on this occasion are explained an.~oig ~tbers by the
formation of solid solutions of hoth A 0iort
survey of techn)cal Literature n o r d or
to solve the problem on Lype of dtiagram- rf
the system mentioned '.,n title tht- WoLn-11' !"i-st Care-
fully prepared thi c3.; syi-sthezised
, an(' r, :,jj~' re"
from styrent. c, v o r y Pu,
Card 1/i naphthalene was processed by meanz uf fiot-1-a-, Ic

The Equilibrium of Condensed Phaspe in the Naphthalene- 2U-lig-2-26/6o
Thionayhth*ne Syetem I
distilled and then re-crystallized. Thp melting Fnd
crystallization proceR*es *ere inveitigated by mean:~ --)A the
method of aijaly--16 ti.- ~:f a
convenient IaLoratory of
components wero~- invealigai.-d by means of the ailatc-frieLriC
method. The inveeilgatien rktsal~ Ax-,~ givin L:Y, table 1.
The diagram rfitin, wit,110111JI or tile
beginving ol' the k't,) and its
termination (t. ) ~ii nho-~%-f, on lig. 1. 1 was fcunl that the
named materials foi-% a ,;ystem of soli (I I u t i o r, 3 w i t i-,
limited eutectic. In fig. 1 tho cu2-1j~z: f an ideal solub~:lity
of the tih~- systnp, computed according
to the solutic,n 1. F. 'Shred:~:,~ (re~- are Vlotted rith
dotted line. .:urv--)*; ~' !rt th-~ diug-n-,~r1l ,X found
experimenttLIly Jiiv-:~rg;., :n r46. i. Such a e-nng
deviation cun hy 'he fo~,ina-,,,~n -)f F,,,lid
solutions which iovt~ a
Card 2/5 line (analogy It, i-tiz 'I). The

2C,-119-2-26/6o
The Equilibl'ium of Condensed Phaces in Lne Nriphthalenf,
Thionaphthene System
(ref 8) indicate the equality --f the intermolecular
bindings C - C ,, 10 ~ and the valent anglea < O-C-C- 120o
which th~:)y form. iy completLng these quantities by the
values of thfj intermolecular radii Ra = 1024 and
RH - 1117 R the surface of the cross sections of the flat
naphthalene molecule S*J 50 ~ 2 can be found. It can be seen
from the computation of the binding C9- C In naphthalene
(ref 9) that A S is smaller than 1 1 -. For this reason the
neutralized structural data can be used for the building up
of the cross section 8 and SO) of the model of the
naphthalene molecule ~fig 2). The thionaphthene structure
could not be found in technical literature. On fig. 2 the
cross sections of its model (S I and 91) are built up
approximately. The ratio of the surfaces of the greater
cross sections 3f the molecule models- Sq'11 ~ 5
On the application S1 has place within S.
The sulfur atom in thionaphthene, 4owever, lixonsiderably
Card 3/5 projects beyond the boundaries of the corresponding section

The Equilibrium of Condensed Phas"s in the Naphthalene- 20-119-2-26/60
Thionaphthene System
of the outline of the molecule of naphthalene. Thess small
divergencies ir, size and shape of the cross s"ctions of the
models of the naphLhalene and thionaphthene molecul,?s
explain the isomorphism found in these material.z. Diagr5m
t'X (fig. 1) showe on its greatasL part ~jC-ioo -'
70
naphthalene) thtit tht, p~itsts on the liqui'dus line coincide
with the limiting straight line whion inight be plotted bet-
ween the vulting points of' the compinerits. With 0-40 %
naphthalene the liqUdus curve deviates from ~he inentio6el
straight line only Lu a small ext.ent ("Ot above 5o at tile
minimum point). This s,-ction can be explain-:d by the
specific influeric,~-- -)f thionaphthene;, ')y th-W influence of
the siAlfur hataeoai-m~;j Niiivh tifforvhi 'iIAO -~tt.! itj tnk~
riso(jo or rotor rj,-, oiii ch gl,okq III fllt~ Of tho
components u)' the 2uLl,i :,,olutlon.
There are 2 figures, I tablef and 12 refert:n-,es, 7 of which
are Soviet.
Card 4/5

Tne Equilibrium of Condenvpj Plja3es In the Naphthalene- 20-119-2-26/60
Thicauphthene System
ASSOClATION: Donetskiy in4ustriallnyy institut im. N. S. Khrushcheva
(Donets indu3trial Instl tute irfieni N. S. Khrushchev)
PRESENTED: October 5, 1957, by 1. 1. Chernyayev, Member, Academy of
Sciences USSR
Card 5/5

AUTHORS: Kravahenko, V. M., Fastukhova, I. S. SOV/79-29-1-7/74
TITLE: The Equilibrium Liquid and Crystals in SystemsWith the
Participation of Anthene Fluorine (Ravnovesiye zhidkostl-
kristally v sistemakh a uchastiyem fluorantena)
PERiODICAL: Zhurnal"O~shchey khimii, 1959, Vol 29, Nr 1, pp 27-34 (USSR)
ABSTRACTs The authors recently published a few results on the balance
conditions between fluid and crystalline phases in systems with
the participation of two tetracyclic hydrocarbons, namelyt
pyrene and ohryeene (Refs 1,2). Frank (Ref 3) mentione.some
data which only partly characterize somfi phase diagrams of
anthene fluorine without giving results concerninv the crystal-
lization end in the systems. This paper concerns a system group
with the participation of anthene fluorine C 16H10 wnich
prevails quantitatively among the components of pitch coal
9 double systems were investigated with *uoh second oompon-
ents ast benzene, 1,2,4,5-tetramethyl benzene, (durene),
naphthalene, 2-methyl naphth~.Jene, 2,7-dimethyl naphthalene,
phenanthrene, fluorene, anthracene, and acenaphthene, e.g. as
representatives of the mono-, bi- and tricyclic aromatic
Card 1/2 hydrocarbons. Thus 9 systems of 2 compcnents were investi-

The Equilibrium Liquid and Crystals in Systeems SOV/79-29-1-7/74
With the Participation of Anthene Fluorine
ASSOCIATIONt
;jUBMITTEDs
gated in-whioh anthene fluorino id 001moatod with mono-, bi-
and trioyalia hydrooarbons which occur in the technical miz-
turee obtained in connection with the pyrolysis of fuel
fossils. The auteotic type of the investigated systems was
found. The melting heat of anthene fluorine (about 4300 Cal/mol)
was determined. The type of the phase diagrams is explained.
The type of some systems under the participation of anthene
fluorine which are not as yet investigated is predicted. There
are 3 figures, 1 table, and 10 references, 8 of which are
Soviet.
Donetskiy industriallayy institut (Donets Industrial In'stitute)
July 19, 1957
Card 2/2

S1020V611136100110211037
B016/ "055
AUTHORS: Kravchenko, V. M. and Faatukhova, I. S.
TITLE: Binary Systems of Bicyclic Molecules One of Which Is
Thionaphthene
PERIODICAL: Doklady Akademii nauk SSSR, 1961, Vol. 136, No. 1,
PP. 104-107
TEXT: The authors studied the phase diagrams of systems composed of
thionaphthene and one other component having either a structure strongly
resembling thionaphthene (Fig. 1, S and S I - thionaphthene, S - indene,
1 1 2
33 - indole) or one with a markedly different molecular cross-section V
(Fig. 1, S 4 - isoquinoline, S 5 - 3-methyl isoquinoline, S 6 - 2-methyl
naphthalene and S 7 - 2,6-dimethyl naphthalene). Data on the corresponding
binary systems composed of thionaphthene and the above-mentioned substances
(1) - (6) are listed in the same order in Table 1, which reads as follows:
Card 1/6

Binary Systems of Bicyclic Molecules One S/020/61/136/col/021/037
of Which Is Thionaphthene B016/BO55
XB = weight, X bI - moles thionaphthene, t1- temperature at beginning
crystallization and t2 at completion of crystallization. The types of
phase diagrams found by the authors are in good agreement with the charac-
teristics of the components (Fig. 1). To study the dependence of T, the
equilibrium temperature of the condensed phases, on X, the comrsition of
the mixture (in %), the authors applied 4 different methods: a Thermal
analysis using an apparatus built according to the scheme given in Ref. 1,
b) Visual observation applying the same apparatus, c) Several specially
prepared mixtures were measured by means of a dilatometer connected to an
ultrathermostat and d) The behavior of comppents in the liquid phase was
studied by measuring the refractive index nD of mixtures of composition X
in the Abb6 refractometer. The authors found that the systems (1) - (3)
exhibit complete solid-state solubility while (4), (5) and ~6) form
eutectics. The formation of solid solutions in the systems ~1) and (2) is
explained by structural similarity of the components, the differences AS
and AV of the cross-sectional areas (S A2) and volumes(V A3) of the
molecules being small, i.e.-3 - 5 and/or-1 - 6%. The eutectic type of the
Card 2/6

Binary Systems of Bicyclio Molecules One S/02 61/136/001/021/037
of Which Is Thionaphthene B01 6YB055
systems (4) - (6) is explained by the considerable difference in shape
(Fig. 1) and aize of the component molecules. The corresponding differences
in this case are ~S >1416' and AV> 20~. Fig. 2 re resents the t,X and
t'nt diagrams of.all six systems. The systems (1~ and (2) are of the
D
linear type I of V. Ya. Anbsov"; (Ref. 8). Finally the authors compare
their data with the thiona hthene - naphthalene system which they had
studied earlier on (Ref. 9~ and state that the latter occupies a position
ir,termediate between the eutectic systems (4) - (6) and the solid solutions
and that it is closely related to the linear type I. There are 2 figures,
1 table, and g.references: 5 Soviet, 2 US, and 2 British.
ASSOCIATION: Donetskiy industriallnyy institut, g. Stalino (Donets
Industry Institute Stalino)
PRESENTED: July 1, 1960, by 1. 1. Chernyayev, Academician
SUBMITTED; June 29, 1960
Card 3/6

S/020/61/136/001/021/037
B016/BO55
C.
r c M- C. c
C. C. C.
y c0
C~c- DD
s c cil 1, Nti
N
Card 416

S/020/61/136/001/021/037
B016/BO55

X, X- X. X. X, xM
7
T H OR a (bTGH- MR A C U.1
too 00 100.0 -31 2 56
46 62 0 0'
;8 15
8.43
1
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LITVINP21KO, A.U., kand. geol..-miner. nauk, otv. red.; ENTAZEV.
17,
G.I.. kand. geol.-r:lner. natA, red.-
inzh -geol., red.; KULIl]E2#'KG, inzh-geolog, red.;
K-1111IPKOV, A.V.: karri. geol.-mirier. nau~.. red.i FLIYANIOV,
M.D., kand. geol.-miner. nauk, red.; KWOLEVA, T.I., ved.
Yed.
[Probloma of the goologry and m1neralciy of iru dop,~oitfl
Voprosy geologii i wlneralojfAi rudn.ykh me.-,tk)ro:Lhdellii.
Moskva, Nedra, 1964. 188 1).
1. Institut iminerallukh

PASTUKHOVA, I.S.; KRAVCHENKO, V.M.
Crystallization in the ternary system p-xylqne - m-xylene - carbon
tetrachloride. ZhurAprikl.khim. 37 rio.l.-136-141 Ja 164. (MRA 17:2)
1. Dotietakiy politekhnicheskiy institut.

TLTERYU H, V.,'
i~o,lov,orka deposito of the ll~ralrllall Qr.
310 rto.'fl: ll.~,)-122 ji 165. V.7)
, tut .- -allilykil rell"i.1.1%,("ll,
A, .,dnel
L

KOZHARA) V.L*4 KRAVChERO P V*No [Kravehenko, V.M.]
Genetic types of ores in the northern Saksagan' deposit. Geol. zhur.
20 no- 405-44 l6o,
(Saksagan' rOgiOn-Ore deposits) (MM 14:4)

IRAVCHEMW. V-N-tessiptent
*I*- .
Increasing the vibration strength of lap-welded joints by
creating etress deconcentrators, Trudy NIIZHT no.14:130-142
158* (MIRA 12:1)
Is lovosibirskiy institut lazhenorov xholesnodoreshnogo transporta.
(Bridges-Welding)

KRAVCHMO* V.N iuxh.
UsInC the method of photoolasticity In investigating vibration
strength of welded lap Joints without strese concentration. Trudy
MIIT no,101t144-166 158. (NM 11:6)
(Bridge a-Welding-Te sting) (Photoolasticity)

M~AVCI,MiKej V, N. : IMs Lor Tech Sci (diss) -- "Dwos- on of the v lbration
stren,stuh of lap-welded Joints str~jss doconc,0111.1-atol-S) unirv, l-,lotholl of
ImutcoltAsLicity". I-jiscaw, 1959. 10 )p (Min Transpov'--ation I%Iosccv~,r Ordor of
L,:3n[n and OlItlor of Vibor liod )Yiniv-ji, InrL of Ralljund Trnnnpcj~:t -1-n,-.1marr, In, 1. V.
Stalin), 150 coPias (KL, 1,0 l4p 1~,-)q, 12,0)

MWICIE-IF'O, "'-P'.
Economic uso of material res-airceq. Zlifl. dor. trfLnsp. 47
no. llt79-80 X 165 (MRA 19:1)
1. Starsidy revlzor ulu-,-.hby matf!rlallno-tet-.Iuiichr,,-,kogo
obonpechmiya Severo-Kavkaznkoy doroCi.

GLAZUNOV, A.1.4 KAMOVITIKOV, D.P.; KRAVCIIENKO, V.S.; PIVOVAROV, V.G.;
STEPANOV, I.A.
Automatic control of alcohol in distilled liquors. Spirt.prom.
27 no.2t28-32 161. (MIRA 14:4)
(Alcohol) (Automatic control)

YLRAVCRENKO V.S.; STEPANOV, I.A.; TIKHOMIROV, L.A.; UMGVNIKOV, B.P.;
GLAiUNOV, A.I.
Automatic maintenance of constant pressure in continuous rectifying
columns. Spirt.prom. 27 no.3129-33 '61. (MIRA 14:4
(Leningrad-Liqu'or industry-Equipment and supplies)
(Distillation apparatuM

~I~V.~'A.V., kandidat tek6icheskikh nauk. nauchnyy ontrudniki
',X.UVCFUU=, V.S.. inzhener, nauchnyy totrudnik.
Determining the better alternative in planning the formation
of river trains. Rech. transp. 15 no.9:21-25 8 156. (MLRA 10:2)
1. IKTP AN SSSR.
(Inland navigation) (Rargep) (Towing)

V
KOMAROV, A.V., doktor.tekhn.nauk, nauchny7 sotrudnik; SOLOVIYEV. I.F.,
kand.tekhn.nauk, nauchny7 sotr-udnik; KRAVCFMtKO, V.S., inzh.,
nauchnyy sotnidnik; KOVSHOV, G.N., iifih.','nauch"y -jotrudnik.
Experimental multidestination transportation of merchandise in
combined railroad-waterwa7 communications. Rech.transp. 17 no.2:
8-13 F 158. (MIRA 11:2)
l.Institut komplekanykdi transportnvkh problem AN SSSR.
(Merchant ships--Cargo)
(Railroads--Freight)

KOMAROV, A., nauchnyy sotrudnik; TSurkov, 11., nauchnyy sotrudnik; KRAVCHENKO,
V.. nauchny7 sotrudnik.
Combined operational technology for rail and maritime transportation.
Mor. flot 19 no.2:13-17 F '59. (MIRA 12:3)
I.Institut komplekonykh transportnykh problem AN SSSR.
(Transportation)

I
"..KUMMIKO, V.S., doktor tekhn.nauk; OBRAZTSOV, A.P., kand.tekhn.nauk;
kand.tekhn.nauk; LIMMIZIOV, Ye.I., inzh.; TRIMNOVA,
M.G., inzh.
Use of high-frequency currents for unloading frozen ores. Zhel.dor.
tranap. 42 no.11:63-64 N 16o. (MIRA 13:1.1)
(Ore handling) (Induction heating)
(Rai lroads--J~reigfi t~--Cold voather operationo)

KRAVCHENKO, V. S., CANo TECH SCI, "INVESTIOATION OF
THE BASIC FORMS OF COMBINED TECHNOLOGY OF THE OFlEfkA!T-A-&N
OF RAILROAD AND WATER TRANSPORT IN
Moscow, 1961. (STATE Sci ECON COUNCIL OF THE COUNCIL OF
MINISTERS USSR9 INST OF COMPLEx TRANSPORTATION PROBLEMS).
(KLI 3-619 216).
219

KROCITTKO, V.S., kand. tekhn. nauk, otv. red.
[Technical and economic problems of developing transportation;
transactions of a conference of young specialists] Tekhniko-
ekonomichoskie voprosy razvitiia transporta; trudy konferents1i
molodykh spetsialistov. Moskvaj In-t kompleksnykh transportnykh
problem. No.3. [Problems of improving the organization of the
transportatioL process) Voprosy sovernhenstvovanlia organizatsii
perovozochnogo protsessa. 1963. 186 p. WIRA 17:71,

SKALOV, Konstantin Yurlyovich, kand. tekhn. nauk, red.; ZUBKOV,
Mikhail Nikolayevich, inzh.; KHAVCHENKO Vltjdimir
1__iz==
Silayevic!21 kand. tekhn. nauk; NIKITIHA, Vera Nwa~yevnap
Vladimir Aleksnndrovich, kand. tekhn.
nauk; DLUGAC11, B.A., red.
(Port junctions and terminals; their luyout and operation)
Portovye uzly i stantsii; u3troistvo i ekspluatatsiia.
Moskvaj Transport, 1965. 197 p. (MIRA 18:4)

-L 02349~-67 EWT(M)/EWP(t)/ET! IJP(c) JD
ACC NR, An6o25737 SOURCE CODE: UR/005
AUTHOR: Kravche "o, V. S.; Andreyeva, A. A.; K=etsovp F. A.
TITLE: Influence of -substrate finishing conditions on the quality of ep al f
itaxi
of germanium in the chloride method -ep
SOURCE: ReAh. Fizika, Abs. 4A585
REF SOURCE: Sb. SlIvoZium. Protsesey sinteza i rosta kristallov i plenok poluprovod-
nik. materialoyp 1965, Tezisy dokl. Novosibirsk, 1965P 15-16
TOPIC TAGS: germaniump epitaxi&l grovingp semiconducting filmp surface finishing
ABSTRACT: An investigation was made of the influence of the preparatory operations
prior to growing an the perfection of epitaxial germanium films. The perfection of
the films was inventigated as a function of the conditions for finishing the sub-
atrates of Ge in hydrogen and for etching the latter in a mixture of dry kqdrogen
chloride with bardr-,)gen. It is found that when the substrates are treated in lWdrogely
at 850c, tho optim3l treatment time is 40 minutes. When the substrates are polished
by etching with a mixture of hydrogen chloride and hydrogenp mirror-smooth film cor*-
taining no stackVi,,j faults are obtained. (TranalAtion of abstract]
SUB CODE: 20

ivl< 0 V.
USSR/Mines and Mining Equipment
Electrical Equipment
Jun 1)47
f'Safety in the Use of zlectricity for Underground Minesoll L. V. Gladilin and V. S. Kravchenko
Institute of Minit,g, USSR Academy of Scienceso 2pp
"Gornyy Zhurnal" Vol CXXI, No 6
Usually power of 500 - 5~O watts is used for electrification of ferrous and nonferrous mines
in the USSR -- 350 watts is used in coal mines. Recommends various safety features to be
adopted in mines.
PA 1PT52

KRAVCPENIIO~ V-8.
"TeleregulatI-n and Remote Control in Kines." BY= book, Basic Problems
for the Reconstruction and DevelopInent of the Donbass. Editor, A.M.
Terpigorev. Ugletekhizdat, 1948

V. S.
S013
Cables, Stool
Testing Nquipment, Xleotrical
"Iciectromagnetic Ylethoft of Controlling the StrwgU
of'steel Cableso- V. S. Mravehanko, Inst of Mining,
AoaA SOL UsaRp 6 pp
"Gor Zhur" No 9
Describes v,,gnetla vethods for checking strength of
vorn-stool cable.
4W 15/49M5

KRAMa"14YO1 V's,
"The Probable Nature of the Ignition of Methane by Electlic Sparks and
Evaluation of the Spark Safety Mine Electrial Circuits." From book
Mine Aerology and Labor Safe in Mines, Ugletekhizdat, 1949.

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fin Riji,i4nj V, 13. Krnv,-h,.nk,).
00
00. Aludfpnii sauk SSNII, 0111firilie rekknich,400
00 J! Nauk (BuIlvily; J the Academy of 4ri.-proo ,( the
USSR. Bection of T-chnicul Yvb. 1919, .00
0* p. SX201. coo
j Describes and diagrallIA AbQVV mpthod. Ty0cal
data are charted and tabulated. COO
00 a
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002
to
zoo
I L A WALLUFMAL WIN&YU41 CLAISIPKATIOM go*
wool
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KRAVCHRIYO P V. S.
"Open Electric Sparking in an Inflammable Mine Atrwsphere,", Blektrichestvo,
No.2, 1949.
Inst. of Ednirg, AS USSR

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00 4'
A-k-,
JAC *I-
1-1.
lee
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shokesedsom XOM4111 d h"fsdpunf W 01011001911" of
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?Ah t-4191k. 4241. (Inflotli(Atifin).
11w Ssivk4 Instiltute for Missing Pearmcfa iarritil -it intmoi.
Ristu'lut on the use of or,"retuilus.
*0 brokell"i"*4%

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U in Ov dim4lim of the stlip of fill, p,Iv 04.1 . --l"Istry

A od whivii f1mis the intloml %obstille list,% a fill" rimot
.4,111'"4041 fit an dullyllider atul a momling instroow-of. To
A,tain a rosw"44itt "I in the riqo. air winding. arp-16t-1
l,v a vibral4w. 'I'lop tivinclings am nimsts, its I wit ariso irrolsir
,
lm
hm so winvililm, thi-in to to littitif vvrr any liars of tlw %%m
rolir, In the A.C. * dr(Momm,j* * tlw vivivisint, 4.
O.'P- ll~, i-lilki"Y Whilling 4MI41 IliP sli~ri-oilfkrl I lllfft~ 1.
1
t
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Wsi
aim, riffult.
.o,,, Frosis list, 0W
si,%,oodacy Wimillum MW it varialle pissit 4 flew
Oil, owimmimining 'ifewl. rho IM'. inatruln"i v tolo. It 11KMV
amrmls%v than thst kV. one ancl it nin ik4irt a aiisg6 Imikort
wvv inmitia, thr YOPP. mazinsum mstaitivity (.W drimills
(Aults ill obtairmt fcw a firld o( about 4.%(XKJ Goo". linpulmem
of wreral taillftlike am olitotant with a n-1. . I
T
in, ism.
wo typm of awasitaing pirruit m),
utwktlkg with a PIN"." type antputwe Ut ,tw *111, cat
.1-fmitir tubt, i
1
d
-1,
omp
ll
to WAV rims fir fn~umt wit Is an accuracy I% by "Wis".
of a livilloitir VA-minonstifer, but thip to 4mJy inailaW hw
lalmilatory work.- a.u,
'a if IS 99 Is a it a a It of
r' jr .4;--a is I W 0 9 a a 11 -977 -M
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00,91
4588. OPW ILW"IC SPOM IN FIREDAMP ADIMPHERN. Iravchanko# V.S.
(Elektrichostvo (electricity)# Feb. 1950, (20j, 70-75). The
obaracter of thtAgnition of methane gas by electric sparks and
Ita probabUlty are, studied, and magnitude nf Igniting ourfent
doterainede A method of asteslag sparkii., safety in presapted,
and experimental data roqulr~-l few trAuattve circuits, protected
bV spark quenehift apparatus and unprotected, are given* It to
shown that modern mines can be protected. S.R.A6
418.ILA 89T&&&W~WAt UT9*0401 CLASUPICOMM
U:49100;10 W Opp W 19 1 1
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232T50
USSR/Electricity - Spark Protection SeP 52
"Flammbility of the Electric Spark," V. S.
l(ravchenko, Inst of Mining, Acad Sci USSR
"Elektrichestvo" Vo 9, pp 21-28
Establishes that the single criterion detg
the flamability of mine gas to elec sparks
In mixed (inductive and resistive) circuits
is the energy dissipated In the arc. Submit-
ted 18 Jul 51.
2r,r5O

/7-
Krt%vchct*o, V.S. (Dcctanl thasis, Inst. Mn. Acca. Sol. U.S.S.R.. 19";
atmN Ifl-lurn. AMC. RIUM 6.0% jj. Avyd. act. U.S.S.F0, ,hr. 1954,
10% lie). A thawatleal and eXpcrimential Imcstl;ptica of the physical
'riature Of spam lCnltltn of flre-ftp Is prtsontea. It Is establifted
that the $010 factor detcroinlre the IGnItim capacity or WY-43 duo to
trmks Is the Ww(7 dJAPwTcd In the are PWO Of the d1wJrrac. P=ma-10
rArg GlT9n tOr CQZ=InlnG thiS MUC7 and Its ccroCgltlM lanittnr,
capacity in a fircd=P ILU ttere. the role Ot the AWk mid alm ctl,,~gs of
a dlacrareo, of Apark McVey Mid dwatlen of diZelnrge, find Of CfmMtWiStICv
of zho circuit nM of the W-wk. are cKw2ni.;. hodern thM Of thc.
propaCatlen of cab Uon In explosive rAG mlxuwes Is used to c1plaln the
tenitim of fireclorp bj oapa ILIVO dlscharrcs and the cxtInct&cj% of r1rOo ty
vopcw.

82. jj~C_EWDIVITY OP FUCTRIC SPARM. Kravch9k., W.S. (Dtsrll.
Clektrotech., rhe- I~MtRti of mine gas is
dependent on so many variables that no attanpt to find a the(,retical
solution has In the past been successful. The author mdonvour:; to
formulate theoretical equatlen.1 to dotemIne 11mition by spark-s In n
consIdemblo minber of actual ca5es.

KRUCIM110, V. S.
Eleotrioal Engineering Abstraots
MaY 1954
Suitchgear

AM IfteudMty of dfttrk d on brealift
elf circulft at tw Mumiercial, Scoustic ad gTS[P&
freji;R9-m'VV, S,_KgAvrirF-yrn EjektjchsjrO..
-
-
717. 59ZM--M-jrftr1aff.-
90
09,
In development work on electric mining equipment-
designed for operation at acoustic and ultrmnic
frequencies it was found that, contrary to virldely
held opinions, the incendive capacity of sparks is less
at these frequencies than at maim frequency. The
explanation 11" only In comidedni; the dangerous
phase of the discharge which is its arcing stage,
and Ip particular, the possible maximum of energy
liberated In such a discharge. Ilia author presents
an empirical formula for this energy which was
derived oWjinally for d.c. conditions. It Is fOU4
Thai e.g. at 100kc/s ft Incendive current must be
5-11 times gmatef than on dc. Comparative expert-
ments In various Inflarrunable gas mixtures at various
frequencies fully confirm the theziry, See also
Absir. 1854 (1954). a. F. KRAW

KRAVCHEITEO, V-,S-
New concepts of the process of mine gas ignition due to
electriC sparks 9tomming from Poor connections. Trudy Inst.
r,or.dal& 1:203-209 154. (MLRA 7:12)
(Mina explosions) (Ilectricity In mining)

I ~~ -I z , - '- H ~,.. 7,1 '.--- "'. #
... . . o~_ ,
KRAVCHMO. T., Inzhener.
'---
Cutter-1nader "Gorniak" used in anthracite mines. Kwt.ugl. 3
no.7:14-15 J1 '54. (MA 7:7
(Coal-mining machinery)

USSR/Mining Coal FD-2929
Card 1/1 Pub. 41-10/17
Author ; Kravchenko) V. S., Moscow
Title :On the question of the nature and mechanics of sudden ejection of
coal and gas
Periodical :Izv. AH SSSR, Otd. Tekh. Nauk 6, 101-108, June 1955
Abstract :Describes an experiment performed to study the ctuse and the
mechanics of coal and methane ejection when a seLled strata of
coal and gas under pressure is suddenly exposed. Concludes that
when a coal zone, saturated with gas Is exposed, the coal starts
to disintegrate as a result and through the acticn of the escaping
gas. Tile disintegration occurs very rapidly and in the form of a
thin front. This "disintegration wave" travels ispidly towards
the end opposite the one exposed. At the same tine the gas
escapes rapidly in the opposite direction causing an explosive
ejection of gas and disintegrated coal particles. Drawings,
photographs, tables, graphs, formulae. Three references, all
USSR.
Institution
Submitted April 11, 1955

~ 4
~X
r. 4 ,
il.'~
f; f
11
,11
w

KRAVCHERIO, V.S.
Searching for new methods of breaking hard rock. Gor. shtLr. no.l:
36-43 J46 '57. (KLU 10:4)
1, Institut garnogo dela AN SSSR.
(Ultrasonle waves--Industrial applications)
(Bleatric spark)

KRAVG;BUIKC. V.
Mochnnizing, And witonntizing, nurfnce equipment, Mast-ugl. 7 no.4:17
Ap '51. (MIRA 11:4)
1. Uclif?nyy aokretqr' Tekhniko-ekonomicheakogo novetn Luganakogo
sovnarkhoza.
(Conl mining mnehinery)

Tr
1:'.V t V
AUTHOR: Loguntnov, B. ?11. S 37i o - zlva - a -14
TITLE: On Problems of Rock Disintegration (Voprosy razrusheniya
gornykh porad) TransE.ctions of the Conference in the Mining
Institute (Soveshchaniye v Institute gornol--o dela)
PERIODICAL: Vestn-ik Akademii nauk SSSR, 1958, Nr 8,
PP- 130 - 132 (USSR)
A-S'7RACT: This coordination conference was held from May, 2o - 22.
It was called by the Institut gornot.-o dela AkademiJ. nauk
SSSR (Mining Institute AS USSR). Representatives of
scientific research inatitutes, of univeroities, of pl-nning
bureaux and manufacturing plants participat~-,d in the work.
The following lectures were held:
B.M.Leybov on methods of evaluating coal structure,
M.M.Protod'yakonov and B.M.Loguntsov on the standardization
and the establishment of a uniform scale of drilling work,
A.N.Zelenin on a more precise method of thp determination of
limit values of rock stress vulues.
ot
V.S.Kravchenko, A.P.Obraztoov and D.A.D~~nioov '-ii the
Ca-rd 1 '2 61, magnet!~- high-fr-i1xiency "ielltio, for the bi*e%king

On Problema of Rock Disintegration. Transactio.-s of So-~ 17'~ _ a:~ _a _ Z 7 '4
the Conference in the Minirg Institute
up of quartzites from the anomalou., m-a,7netic oren, from Ktirsk
and from ores of ot',P-r cites.."
A.P.Ostrovskiy, A,I.Gollbinler and QJ1 qeiv
methods of blasting in the drift advance of 'Jore holes."
'Kiles -overning tho rock L'.V
M. I. Koyfman &n
Means of rotating and )ercusoion drilli-;1--
R.M.Eygeles ion'Ithe dependence of bore thrust on the drill
pressure, on the drill speed, on rock properties etc,"
Ye.I.Illnitskaya on'~mechanical extraction of coal,"
N.G.kar-atavoy-e~n4the specific pressure distribution or the
leading edge of the cutter in coal extract-ion.
At the end of the conference it ,-~as emphasized that the
majority of research work which has hitherto been conducted
was entirely of an expecimental nature. Theoretical and
experimental rcsearch is to be intensified in t,-.e future.
Card 2/2

SOV/110-56-c,-17/2U
AUTHURS; en1co V S. (Doctor of Technical Science) and
Ullyas'Mce too.,"V.E. (Engineer)
TITLE: A Study of Explosion-proof Electrical Equipment in an
1tmosphere of Explosive Gas (Vzryvobezopasnost1
alelctrooborudovaniya v atmosforo vzryvchatY1ch lgrazov)
PERIODICALt Vestnik Elektroproriystilannost-'L,19587Nr ()71.p 69-74 (USSR)
ABSTRACT: Heavy-current electrical equipment is usually made flame-
roof by the provision of an exglosion-proof casing,
g
aving flanges with gaps of sue dimen3ions that gases,
expelled to relieve the internal pressure formed when an
explosion occurs, are cooled down before reaching the
surroundinG explosive atmosphore. Rocont Soviet work has
clarified the mechanism of flame-extinction in narrow gaps
and some now properties of explosion-proof casings have
been discovered.' The critical gap between infinite planes
at which flame rot~agation ceases depends,gimarily on the
properties of t9e rning mixture partic arly the energy
of activation, the maximum flame temnerature, the thermal
conductivity of the gas ani the rate 'of pro.)agation of the
~.;ard 1/6 flame relatuivo to the products of combusti;n. Theorotical
equations for the critical gap are written, but they give

A Study of Explosion-proof Electrical Equipment in an Atmos!)here of
Explosive Gas
only the order of magnitude for different gases. It is
clear that the reason why the material nature of tile flange
has little effect on the flame-suppressing efloiciency is
that the heat-transfer is mainly governed by the thermal
conductivity of the gas. The effects are more complicated
in the closed casings met in practice than they are in the
theoretical infinite gaps. There are considerable increases
of pressure and temperature inside the casing, so that the
gaps must be smaller. In exporinental work on explosion-
proof gaps the variability of the effect of explosion
propagation is importanik".. A special test rig was made up,
as schematically illustrated in Fig 3, and consists of a
special spherical casinZ of 2.5 litros for dotormining safe
gaps, with a controllod gap between the flanges. This wa5
filled with an explosive-mixture and placod in a large
(220 litros) explosion chambor containing the same explosive
mixture. The mixture inside the sphere was ignited by a
~;ard 2/6 magneto spark. It was found that for a given set of
conditions an explosion could occur only occasionally, for

Sol l lu - !7/2U
Study of Explosion-proof Electrical Equipment in an AtmoslAiere of
Explosive Gas
example, only once in 60 tests, and in one case only
once in 167 tests. It is usually considered that a gap
is safe if no explosion occurs in a certain number of
tests. In practice a safety factor of 23'-,'~ or so was
allowed in gap length. Tests made in t~e T31JIPO served
as a basis for a more reliable i;ietliod of determininZ? safe
gaps. An attempt was first mado to establish a relation-
ship between the probability of an explosion being
transmitted and a factor Coverning the intensity of the
source of ignition, such as the size of the flange gap.
Similar work was recently done in England by Bruce) but
later tests were not in accordance irith the linear
relationship that lie established. Our tests were made in
hydrogen, acetylene and propane. Only a limited number
of tests could be made and we had to be ~;atisfied with
3 - 5 Pr,::.'Ltive results in about 300 tests. It will br,1
soon from the rojults civen in Fi- 4 that a reliable
relationship was nevert-holess obt:~J_nod, 2he tests con-
Card ')/6 firmed the validity of the law of ,)robability of ignition
for ivnition sources of unstable intensik,
a The

A S~.-udy of B,,,.plosion-,~roof Blecturical in -4p~ At-_:05,~,!Ihe,ro of
ive Ga S
rela'u-ionshi.) botwcon '.-he of
transmission of c:-.~)loz-' -on and tho 3iz-o of 'V-ho flan~c L.-aD
is ;iven in Fig, 5 ~zid tho fori-Itula in
equation (5). This relationship forms a ba3is for a new
I
method of deterninin, "ho ~;afo -a--. A rict",lod is siven of
detorninins the relationship betw;on the probability of
explosion transmission and the lenth of --a!j from
mental data. A procedure is then offe-rod for fi;ldin., a
value of .-ap length that corres.nonds to a given low value
of o.-,plosion 1)robabi1i'&-,y. Tho relcvant calculatioi13 ,.Icre
mado by L.71. Bollshov at the I.-athomatical Institute
Stcklov of the Academy of Science of the USSR. Formula
give3 the value of the 3afG gap. Values of the magnitude t
that enters into this formula are "ivc.% in Table 1. 2he
procedure was used to determinc oale, flan-re zaps foi vory
dan.r-crous mixtures of air .:_Jt"h !iydro-.;cn a-d aco-tylena, also
with propane. The most a-.plorAve concentrations of t1licie
gases in air arc give:- in Fi-f 6. The s.--if-- _ra:~js
~Iard V6 u - -
calculat.od by mca.is of fori?.iula (0 for an oxplosion

SUV/11u- 5(j'-~)-17/20
A Stud of Sx~lojlon-proof BlocLrical 11,quiprion; in an Atmosphere
of Exp~osive as
probability of 10-6 and gave the dimen:;ioi-.,s recorded in
Table 2. The corresponding re3ults of explosion "osts
are given also. It will be seen t~iat oven if the safety
factor of 2 is allowed in the gap len-th, it is
practicable to manufacture some kinds~of explosion-proof
equipment for hydro-ven/air rAxturos. Lrplo s ion- proof
enclosures can al:;o be made for acetylene atnosphere3,
provided the volume is not -'reater than 0.25 litres. On
the basis of this work the Blellr.-trosila Works has developed
and put into serlej droduction an oxplosion-proof lightinZ
fittin,, for hydroZen:/air atmosphereo and has developed an
inflammable-.cras indicator for hydrogen and acetylene
atmospheres. Previous authors have pointed out that
explosion-proof equi mont may bocome unsafe if prolon-od
powor-arcs occur insyde it. The way in which this 0
happens is discussed, leading to the conclusion that the
problem cannot be solvad r.-ioraly by suitable design of
U
Card 5/6 tho casing but requires that appropriate oloctrical

SOV/110-58-0-17/20
A Study of losion-proof Electrical Bquipmc.-.t in an Atmosphere
of Explosive ~as
protective equipment be used to cut of -L" the sudDly
quick.ly in such cases. Additional slafoty measures are
the uso of are-reois'-ii. 11 -
U _ insulation, in-reased clearances
betueon live parts and ;criodical checking of insulation
resistance.
There are 2 tables7 ~ fi7llreS and 6 references, 5 of
which are Soviet.
SUBMITTED: February 17, 1958
1. Electrical equipment--Performance 2. Explosive gases--Safety
measures 3. Electrical equipment--Test methods 4. Electrical
equipment--Safety measures
Card 6/6

KAR OV, Yevgeniy Fedorovich;JMT.C11EaO, Vladimir Sergeyevich, doktor takha.
nauk; LETBOV, Ruvim Xol,,,eyevich, doktor takhn.nouk; SHRYNBERG,
Samuil Davydovich; MIRSKATA, V.T., red.izd-va: KOROVENKOVA, Z.A.,
takhn.red.; BERJCSLAVSKAYA, L.Sh., takhn.red.
(Automatic protective devices in mines] Avtomaticheskie
shakhtnys zashchitnye ustroistTo. Moskva, Gos.nauchno-tekhn.
izd-vo lit-ry po gornomu delu. 1960. ill p.
(MIRA 13:7)
(Electricity in mining--Safety measures)

s/18o/60/000/03/025/030
ER?A/E3~1?
03,
AUTHORS. Kravchonko, V.S. and Khaleyev, ow)
q=== III -, % -. -604&4"k-
TITLE. Some Relationships in the Inflammability of Explosive
Mixtures of Saturated Hydrocarbons with Air
PERIODICAL,~, Izvestiya Akademii nauk SSSR, Otdc-leniye telchnicheskilth
nauk, Metallurgiya i toplivo, 1960, Nr 3, pp 133-139 (USSR)
ABSTRACT- The relationships described in the paper were found during
the authorsO investigations on spark safe currents in
electrical circuits in an explosive atmosphere of multi-
component mixtures of hydrocarbons of CnH 2n+2 series.
On the basis of their own experiments and with two and
multi-component mixtures of alkane series and literature
data, the authors established that the most dangerouS
r-.onceatrations of hydrocarbons in air are inversely
proportional to the square roots o~* their specific (or
molecular) conc entrat ions. Similez- relationships were
found to hold in respect of minimal current which on
breaking of the circuit would igzite such mixtures. Thus,
a dive,.t relationship exists between tho most dangerous
concentrations of hydrocarbon-air explosive mixtures\\and
Cardl-/3 m-Lnimal igniting currents. Using this relationship one can

s/i8o/60/000/03/025/03o
ET~I/F3~~pl
Some Relationships in the Inflammabill 0 osive Mixtures of
Saturated Hydrocarbons with Air
determine the most dangerous conc entrat ions of any
explosive mixture, lower and upper explosive limits and
safe currents on the basis of the same data for methane.
A comparison of calculated and determined most dangerous
concentrations of alkane-air explosive mixtures and their /e,_
dependence on the specific gravity of the explosive
component are given in Table 1 and Figure li the dependence
of igniting currents for gas and vapour air mixtures of
saturated hydrocarbons on their specific gravi iy Table 2
and Figure 2 (probability of ignition p = 10- contacts
from steel wire 0-35 mm. in dia); the dependence of minimal
igniting currents on the dangerous concentration of
explosive component - Figure 3; the dependence of the
probability of ignition of various hydrocarbon-air mixtures
by circuit-breaking currents - Figure 4; the probability
of the appearance of a mixture of hydrocarbons of various
specific gravities for a mine, situated in a neighbourhood
of oil-bearing strata - Figure 5. It is concluded that
Card?-/3 the relationships established can be used for calculating

S/180/60/000/03/025/0,)o
f?7-1~Ej~
Some Relationsh:Lps in the Inflammabili 0 ~Iosive Mixtures of
Saturated Hydrocarbons with Air
minimum igniting and
evaluation of spark
c-hemical, petroleum
explosions. There are
6 references, 3 of which
permissible currents and for the
safety of electrical circuits on
and mining industries susceptible to
5 figures, 2 fables and
are Soviet and 3 English.
SUBM11TED: Octeber 20, 1959
Card 3/3

KRAVCUNKO, V.S.. doktor telrhn.nauk-: KARPOV, Te.F., Inzh.; BIRMMIRG,
I.E., Inzh.
Continuous methane-detection relay. Hazop.truda v prom. 4
no.2:22-24 F 160. (MIRA 13'.5)
1. Institut gornogo dela AN SSSR (for Kravchenko, Karpov).
2. Giprougle-avtomatizatsiya (for Birenberg).
(Mine gasen-Safety measures)

3/194/61/000/008/041/092
D,"~;I/D304
AUTHORS: hravchei-iko, V,,S and Serov, V,,I,.
TITLE: A ncw method of [;par!: protection in remote control
and remotc, si-nallilig in""tal-lationu
C3 >
PERIODICAL: Referativnyy --hurnal. Avtomatika i radioclel~troniha,
no. 8, 1961, 43, al:,stract 8 V363 0ezodasnost' truda
v pron.-sti, 1960, no. 11, 20-21)
TEXT: The new inethod consists in mzL'sing a small current
f low alon(r th-, spark protecting suppl% line. The current produces
a certain cuerf;y biAld-up (e.g. at a capacitor) at tho motor stage.
This erier,-y is then dissipated in pulses ,--it a given signal. The
described ti principle maker, it possi~lo to c-,tc-,,,d the applicability
of spark protecting lines to hi~grh Power CYst('-M---, Z-Abstracter's,
note: Complete translation-7
Card 1/1

- ~Wq41kIXO._T_S,,-doktor tekhn.nauk; CBRAZTSOV, A.P., kand.tekhn.nauk,
USTIMOV, T.T., inth.
Dust-free rock breaking by electric methods. Gor.zhur. no-9:
42-45 S 16o. (HIRA 13:9)
1. Institut pornogo' dela AN,SSSR, Lyubertsy, Moskovskog oblasti.
(Ore dressing) (Electric cutting machinery)

86878
3/105/61/000/001/005/007
1137.6) B012/BO59
AUTHORS: V-rP~,-hPnVn__V_ . octor of Technical Sciences, and
Sun Yuy=17ngineer
TITLE: Spark-over Strength of High-frequency AC-circuits
PERIODICAL: Elektrichestvo, 1961, No. 1, PP. 77-80
TEXT: The authors of the present paper used the fundamentals of spark-
over strength, given in the papers of L. I. Gavrillchenko (Ref. 2) and
Refs., 1,3,4,5,6,7,to determine the ignitability of discharges occurring
on opening of AC-circuits. Fig, 3 illustrates the experimental charac-
teristics for determining the spark-over strength of inductive DC- and AC-
circuits on variation of inductance (Fig. 3a) and of frequency (Fig. 3b),
In all cases investigated (inductance between 0.1 and 10 millihenries)
discharges from opening of DC-circuits were alwayc more danKei*ous than
dischar-eii in high-frequency AC-circuitv. The expe.-iments showed that the
'It%bil,zed capacity voltage, determined at the ignLtion limit at various
values of capacity, characterizes the spark-over s.rength of the inductive-
Card 1/6

86878
Spark-over Strength of High-frequency S/I()5/61/000/001/005/007
AC.-circuits B012/BO59
capacitive circuit under the given conditions of ignition. This relation
proved to be a unit characteristic of the circuit spark-over strength at
f--equencies of 5 to 15 kc/sec and at inductances of I to 20 millihenries,
at resonance and non-resonance parameters, Experiments showed that in a
high-frequency circuit with inductanceand capacitance ignitability of the
discharjes in the ranges Investigated ire entirely determined by the energy
of theso discharges, independent of changes in frequency or other circuit
parameters, The investigation of the ignitability of discharges occurring
on opening of high-frequency circuits proved the principle of the constant
least ignition energy of these discharges (within the ranges investigated)
to be true. This investigation also made it possible to write down the
ignition conditions of discharge in an inductive-capacitive circuit in
WVC-A where I denotes the
mathematical form: Equation (4): Imin min
effective current with open terminals, t4 the angular frequency, A min the
legst energy causing spark-over, and C the capacitance. Calculations and
experimental data offered the possibility of explaining the effect of
frequency on the least ignition currents in the inductive and inductive-
Card 2/6

Spark-over'Strangth of High-frequenoy S/105/61/000/001/005/007
AC circuits B012.B059
capacitive circuits at various values of inductance and capaoitance
(Fig. There are 5 figures and 9 referenoent 8 Soviet.
ASSOCIATIONt .1notitut gorpogo dela AN-SSSR (Mining Institute AS USSR)
SUBMITTEDt June 200 1960
,a
IV.
NXIM

06878
8/105J61/000/ool/005/007
B012/BO59
Card

T-1 x
X"ll
tz;
86878
S/1 05/61 /000/001 /005/0'~17
B012/BO59

-M70'
S/105/61/000/001/005/007
B012/BO59
Lj 5: Amplitude valuLs of the least ignition currents
inductive CiL-CUit: 1 D~, 2) kc/sec henry.
3) milii-
P-
I-.'. I: D~,pepdence of the effective least ignition currents,
I.; 1-'~ ~'. ',he inductive-cap~,citive circu-it before opening of the
-jz..c i to r, on current frequency at various %al,-es of indiictance and
-itance. 1) millihenry; 2) kc/sec, 3) microfarad.
Card 6/6

S/196/62/000/010/GO4/035
E073/EJ55
AMIORS: !:ravchenko, V. S. , and Scrov$ V.I.
TITLE: New explosion chamber for testing. electrical
circuits for safety against sparking
PERIODICAL: Referativayy zhijrnal, Elelctrotelchnil-i i energetika,
no.10, 1962, 16, abstract 10 A95. (Vezopasnost'
truda v prom-sti, no.11, 1961, 20-L11)
Ti~.'(T: Institut Sornogo dela im. A.A. Skockinskogo 01"ining
Institute imeni A.A. Skochinskiy) developed an automatic
explosion chamber which permits rapid determination of the
probability of ignition of explosive gas-air mixtures during
closing and opening of electrical circuits (inductive, non-
inductive and capacitive); the circuit current which is safe
from the point of view of explosions can also be determined.
The equipment is used by a number of institutes in the gold mining
industry, and considerably speeds the development, design and
introduction of apparatus to be used in explosive atmospheres.
3 illustrations.. Abstractor's note: Complete translation.
Card 1/1

IVANOVSj~jy, V., inzh.; .-P 0 inzh.
k'-'AYCjIFJ,'I'r), V. I 'nzh, MILKI", G. ,
How automatization works. Soveshakht. 10 no-3:21-22 I-tr 16:L
1. Luganskiy filial instituta Gipmuglonvtomati (MIRA 14:~)
(Coal mincs and mining) zatsiya.
(Automatic: control)

KRAVCEMO, VLADDIER S.; KOTYARSKIY, AM 0
-------
"Research or, the safety of electrical installations in mInIng"
report to be submitted for the third Int. Mining Congress) Salzburg Austria,
15-21 Sep 63

KUYQ911AQ__x"#, doktor tekhn. nauk; KARFOV, Ye. F., kand. tekhn.
"i_-
nauk; U"AVJJI 11 E.P inzh.; EMBURG, I. I., inzh.
AMT-2 thermocatalytic methane analyzer. Ugoll Ukr. 7 no.4.'
38-39 Ap 163. (MIRA 16:4)
1. Inatitut gornogo, dela is, A. A. Skochinskogo (for Kravehenko,
Karpov). 2. Gosudarstvennyy proyaktno-konstruktorskiy institut
avtomatizatsii rabot v ugollnoy promyshlennosti (for Birenberg).
3. Konotopskiy zavod 'Krasnyy metallist" (for Erenburg).
(mine gases-Measurement) (Transducers)

K-d-XCHENKO, V.S., doktor tekhn. rr-uk, prof.
Ignition of explosivo gua-air-vapor media by electric
dinchargeii. B1nktrich(,t3tvrj no.1105-80 11 165.
(Muju~ 18:11)
1. Ituititut gornogo dela Im. A.A. Skochinskogo.

DUSCHRIKO, V.S. . inzh.
Unenntarina of annombled auxiliary ship mochaniams aftar
their installation on ships. Sudoetroanie 25 no.9:32-35
S '59. (JAIRA 12:12)
(Marina anginooring)

KRAVCIIEN~O.V.S., inzh.
Ways to speed the delivery of ships built in series.
Sudostroonie 26 no.2:46-49 (208) Feb 160. 1. (MIRA 14--l-1)
(Shipbuilding)

KRAVCHETKO V. S.,, inzh.
=2.
Aspects of assembling and mounting marine diesel generators.
Sudostroenie 27 no,'149-54 J1 161v (MIRA 1/,.11)
(Marine diesel engines)

KRAVCHFNKO, V.S., inzh.
Design workability of coupling joints. Sudostroenie 27 no.12:42-
48 D 161. (YURA 15:1)
(Marine engineering)

KRAVCHENKOJ V'S.
Ultrasonic method of inspecting the quality of material for parts
of turbines. Trudy LKI no.31:65-73 160. (MIRA 15:2)
1. Kafedra tekhnologii sudovogo masltinostroyeniya Leningradskogo
korahlestroitelinogo instituta.
(Ultrasonic waves-Industrial applications)
(Turbines)

KR"CHENKO, V.S.
Causes of the derangement of shaft coaxiality in ship machine
units. Trudy LKI no.34:133-149 161. (KRA 15-8)
1. Kafedra tekhnologii sudovogo mashinostroyeniya Leningradskogo
korablestroitellnogo instituta.
(Marine engineering) (Shafting)

KRAVCHENKO, V.S., inzh.
AnaVsis of tolerances for t,'-,e lack of coAxisil ghafting in
marine machine units. Sudostroonia 28 nu.3.4'41-45 Ih- 162~
(MIRA 15,4)
(Marine ergines) (Shafting)
jo-

KRAVCHENKO, V.S., kand. tekhn. nauk
Vibration of marine maohine assemblies under the effect of
noncoaxial shafts. Sudostroenie 29 no.8:54-60 Ag 163.(MIRA 16tlO)
(Vibrations (Marine engineering))