SCIENTIFIC ABSTRACT LOSHAK, M.Z. - LOSHAKOV, L.N.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R000930610005-7
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Document Release Date: August 23, 2000
• Sequence Number: 5
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

GOLOVKOt F.T.0 inzh.; LGSHAK. M.Z.. inzh..
The wps-4oW high-pressure pumps. Mashinostroenie
(MIRA 15:2)
no It
1. spetsiallnoye konstruktorskoye b5ruro No.7 Kharlkovskogo
novnarkhoza.
(Pumping machinery)

POPOV, N.A~;-LOSHAK, M.Z.
pneum,atic clamping deviC03S*.14EL-Shinostroitall n0.5:33 MY 163-
(WMA 16:7)
(Latbes--Attachments)
'70,

LOSHAK, M.Z.-,.,inzh.
Bearing reductors for machine-tool attachments. YlashinoBtroerAe nn.
4t14 J1-Ag 163. (MIRA 17:2)

IA)SRAK.9 MIZ.
New design of an lar nozzle, YAshinostroitell no.10-44 0 163.
iMIRA 16tl2)

:xaqw, Y.Z.
How t.- Prevent tlis ekcv--'Pg of ttr-saded hnlas. IAAshlnt~,i trel tell
no.7-04B JI 164~ . (MIRA 17; 8)

T T-TAl' - . F.
-M -,
"CarbohYdrate Yetabolism of Horses .'roducing Anti-tetanus Serim.." Cand
Biol 3ci, Eharlkov Veteri-mry Tns,., Yin Higher Education USSR, Kharlkov, 1955.
(KL, No 8, Feb 55)
-T: Sun. No. 631, 26 Au.c- 55 - Survey of Scientific and Technical Disserta'Zions
Defended at USSR Higher 3ducational Tnstitutions (14)

LlPOV',','-i!Wj L.Ya. irzh.; ~nzlh.. 671 1.1..
Its of the operation of a 200 lve bo-' or-tur .`ae -..,m4 t.
rest;
TeplooncrCqtlka 8 no.8:41-47 A~-, 163., ("LI1 14: .10)
1. Gosudz-ratvennyy trest ro organizats-f-f 44
clohtrostantsiy.
(Boilers)
(Steam turbines)
N

SOKOLOVY B.M., kand.tekhn.nauk; DIREKTOR, B.Ya., inzh.; LOSHAL-Sq., inzh.;
POLUXEIN, A.I., inzh.; YAKOVLEV, G.G., inzh.
Ekperience in the use of power units with Bupercritiral pressures
and prospects of their development. Teploonergetika 12 no.7:2-9
Jl 165. (MIRA 18:7)
1. Gosudarstvennyy trest po organizataii i ratsionalizatsli
rayonnykh elektrostantsiy I setey.

IcAS'WRIV, L.N., inzh.; LIF-OVTSI;-' L.Yaj,) in-, .- II., HAK J_nzL_
C.A., inzh~ ; _LT(,Tf':
imIj.;
kand.talrhn.naii1c
,!. %init ~iith suboeque-nt loading,
or the 2c"O
6. %.11
TojJocnf%r,,.;cti1m S 0 t61.
~y anizatsii i rat3ionalizatnii
1. GouucIRratvnnnv trest po org
Zmiycv,-.I~-V.-yj!, priLidaratvarnaya ranyonnaya
oloktricheakcaya otants-yu.
(Steam 1-xrbines-.-4cutinf;)

LOSHAK, S.B., inzh.; POLUMIN, A.I., Inzh.
Principal features of the equipment of a 300 Mw, block. Energetik
1-1 no.9:1-6 S 163. (MIRA 16s10)

B.ya., Inzh.; T,.0 9A AX 9S.B., inzh.', 141-RON011, D.K.9 inzh.1, poLUKHIN,
DIrEKTOR,
A. I.. inzh.
iminary starts and operation of a 300 Mv
First results of the prel (WRA 18t7)
block. Mek- sta. 36 no.6-.2-9 is

Lopoya, Grachl-ya Setrakovich, inzh. stroitellstva;j~qp~kKJ V-Y
red.
(Great PiPelin6l Velikaia magistral'. Sverdlovsk, Sredne-
Urallskoe knizhnoe izd-vop 1964. 43 p. (MIRA 18:3)

LOW K, V. I.
Kotp,llnyye ustanovIed s parovoznymi Ir-otlaird (Boiler installations with locomotive
boilers, by) N. I. Ivanova, V. I. Loshak (et al) Moskva, Tran3zhel-loriz-1at-, 1~-,5-1-
243 p. JI-lus., diagrs., tables.
SO: N/5
667.11
.19
45"
M
I RE,

Subject USSR/Engineering AID P - 5o6
Card 1/1 Pub. 78 - 20/27
Author Loshak, V. I.
Title the capacity of large tanks for
petroleum products
Periodical Neft. Khoz., V. 32, #6) 69-75, Ju 1954
Abstract The author describes a practical method of measuring the
relative and absolute deviations of diameters on the sur-
face of welded tanks by means of a special equipment.
Measurements are made by a horizontal scale suspended on
a wire from a radial beam revolving on the tank roof. The
recorded deviations In diameter in different pointo of
the surface are used for the computation of arithmetical
averages of the deviations and of the capacity of the
tank. 7 drawings and one table.
Institution Moscow State Institute of Measures and Measuring
Instruments (M.G.I.M.I.P.)
Submitted No date

7
IVANOVA.N.I.; V.I.; )WAKSA.T.A.; RATIM,M.P.; YMYANSKIY,N.A.,
kandidat to Moldkh nauk, redaktor; YERINA,G.P., tokbnicbs-
skly redaktor
[Boiler installations vith locomotive boilers] KotelInye ustanovki
s parovozVxi kotlami. Moskva, GosAr"up.shel-dor. izd-vo, 1955.
243 P- [Kicrofilml WRA 90)
(Locomotive boilers)

red.; KUZHETSOVA, M.I., red. izd-ve; KORDRAT'YW. M.A..
tekhn. red.
[Instructions 256-57 for checking glass measuring burettes of
nonautomatic chemical eudiometerel Instruktaiis 256-57 po po-
varke stakliannvkh ismeritelInykh biuretok khimichaskikh no-
avtomatioheakikh gazoanalizatorov. Izd. ofitsialinoo. 14o-
skva, 1957. 10 p. NiRA 14:5)
1. Russia(1923- U.S.S.R.) Komitet stnnasrtov, mer i izmeri-
tellnykh ~riborov',
(Mudiometer--Testing)

PAVLOVSKIT, AeNe;
AIM=MROVI A*K.; ALM=M. T.S.; KONSTANTINOV, N
i V.p.; YBYM07A, T#D:, veduslachiy redo;
Loma t
tekhn. red.
plomputing volumes of petroleum produots; manual for t,*hnial.
pers6=61 of tank farms) Kolichestvennyj uchet nefteProduktMo
rukovodstvo dlia tekhUicheskogo personala nefteekladovo *okra,
I gorno-toplivnoi lit-ryg 195B0
Goo. ~&MchuO-tOkhn- izd-vo neft' (min 11SB)
330 pe (fttroieum prod=to)

AUTHOR: Loshak, V.I. SOV-115-58-3-33/41
TITLE: - --C-alibration Errors of Horizontal Containers (Pogreshnost,
kalibrovki gorizontallnykh rezervuarov)
PERIODICAL: Izmeritellnaya tekhnika, 1958, Ur 3, pp 92 - 94 (USSR)
ABSTRACT: Error sources in the calibration of cylindrical horizontal
containers by the conventional geometric method are ana-
lyzed and characteristic cases of deviation from true cy-
lindrical shape (conicalp barrelp elliptical shape, de-
formation) are considered ardealculated. It is proved that
a 1 : 100 non-horizontality of a container axis, which is
permitted by technical specifications, can cause an error
of between 0.2 and lWo, depending on the height of the fill-
ing. Calculations are made for a 2,00 ? mm diameter container.
It is shown that the error for 10-15 m containers amounts
to 1 to 2 % and can reach 5% (with horizontal axis) when
deformation is not taken into account. There are 2 tables.
1. Containers--Design 2. Containers--Calibration 3. Mathematics
--Applications
Card 1/1

LOSHAK, Y.I.
Accuracy of measuring moisture content in grains by the method of
drying. Izm.tekh. no.3,1:20-23 N 160. (MIRA 13:11)
(Grain-Testing)

MARAKIN, Nikolay Fedorovich; LOSHAK., Mikhai2 Zakharovich; POSTERNYAK,
-GVIRTS, V.L.,
Ye.Fop inzh.p redo;'SH=TG--V- . red. izd--va;
, X..
tekhn. red.
[High-pressure hydi6ulic devices]Gidravlicheskaia apparatura
vysokogo davleniia. Leningrad, 1962. 22 ~. (teningradskii dom
nauchno-tekhnicheskoi propagandy. Obmen perednvym opytom. Se-
riia: Pekhanichoskaia obrabotka metallov, no,8) (I-MA 15:8)
(Oil hydraulic machinery)

MARAKIN, N.F.; LOSHikK,-M,,Z
Raxige of the DG hydraulic engines. Biul.tckh.-ekon.inform.
no,,1:44,45 162j, (MIRA 15:2)
(Oil-hydraulic machinery)

MARAKIN., N.F., lnz~h-; ID~IIAK- II-Z-. iqzh-
Series of' the XG hydraulic enginet;. Vest.maeb. 42 no,,3-.90-,
91 1-t- 162 o (MIRA 151'3)
(Hydraulic engines)

L 1145-.M
ACCESSION NR: AP6021996 UR/0286/65/000/014/0074/0074
679.058.3
678.065
9 M.., lova. r
LTHOR: Gurlvanov. B. I.: Losbakevich. B. P.- Pinoy~qkjy, qami
ev, S* Is; Pankov Proselkova. Ye. P. . . . .
Yurly t 7 1
LR -17 -
TITIX: A semiautomatic transfer machint for refillirg the molds in autoclave
e
tire v 1
,ulcanization. Ciass 39, No. 72976
SOURCE: Byulleten' izobreteniy I tovarnykb znakov, no. 14, 1965, 74
TOPIC TAGS: industrial PutomationA.Avulcanization, rubber working machinery'
ABSTRACT: This Author's Certificate introduces a semiautomatic transfer machine
for refilling the molds in autoclave tire vulcanization. Th e machine is a closed
circular device-with a.centrally located automatic operator and devices for angu-
lar orientation of the molds as well as for opening and steam cleaning them. The
!machine Is designed for complete mechanization of theprocess of extracting the
Itire from.the mold after opening, regardless of whether the finished tire is in
the upper or lower half of the mold. The automatic extraction device is made in
the form ofa bracket which rotates 'on a vertical.axle. This bracket carries a
C.,d 1/3

----------
. . . . . . ------ ....

LOSHAKOIVY A.M., inzh.; BIBIKOV, A.V., inzh.; OBUIUIOV, Yu.V., inzh.;
dORYASHCHENKO, Yu.N., tekhnik
Use of an A-564 gun for welding studs in an overhead position.
Svar. proizv. no.1:36 Ja 165.
(14IRA 18: 3)
1. Trest "TSentroenergomontazh".
.0.
-No- , A
iZT ~WR -~ RAW

LOSHAK ,,.A-.
---- Ov _K., inzh.;BIBIKOV, A.V., inzh.; VASILIKOV, D.P., GORYASIMENKO,
'i u .,-I .
Welding flanges to pipes simultaneously with two welds. Svar.
proizv. no.3:31-32 Mr 165. (MEU. 18:5)
1. Trest "TSentroenergomontazh".

FEDIKIN, A.I., tekhnikj_W�_MKOV
. A!_~.,_~n;h.
Modernization of the ASSH-2 machine. Svar.proizv. no.4:39 Ap '62.
(MIRA 15:3)
1. Moskovskiy kotellno-mekhanicheskiy zavod tresta "TSentroenergomon-
tazh".
(Metal cutting--Equipment and supplies)

C)GUI,,C'7CISF~!Y~3 A-YA.
LOSIL
__AEOV A, S,
Ducks
a ujollissima n a. -i roda 1,1, no. 6,
Passage of the eider (Somater 011issima) on the kzov Se Pi-
I.,
9. Monthly List of Russian Accessions, Library of Congress, 1952 Unclassified.

LOSHAKOV K
BARKOV, M.
Mechanized loading of railroad cars. Muk.-elev. prom. 26
no. 12:26 D 160. (MIRI 13:12)
1. Atbasarskaya perevalochcaya baza khleboproduktov Amolinskoy
oblasti.
(Loading and unloading)

is a a ld Al v x .4 anvuldism UNDS41
,A. A-K-E- 0 1-1. -1 --V, -11 Sc to &--A A-4--A
A

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U.S.S.R.
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pimibit for &,syv6m comprising inductance and capacitance to change dis-
continuou3ty(mma"aodlWory"etojuiother. ffithWodLwontinuous
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witlmt'capacitems. illopwriumts an dexrfbed which confim the
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LOSH&KOVp L. N.
"On the.Theory of-the Flectron-Beam Conductor," Zhur. Tekh. Fiz., 15, No-3., 1945
Sci. Res. Lab, Artillery Apparatus Construction,, Red Army., Moscow
7 1~-
AN-agow, "I PDIRAZ~ - -
IP- 7,

toglitumv, I.. N.
'USSR/OicillatorsP nystron Jim/Jul 1946
Vacuum tubes, Klystron
"The Theory of a Klystron with a Distributed Oscil-
latory System," L. N. Loshakov, Candidate of Physico-
Mathematical Sciences, 10 pp
"jRidiotekhniW Vol I, No 3/4
An appr(r-.imate theory for the excitation of oscilla-
tions in the klystron) proposed by the author and S.
D. Gvozdover. The,investigation of self-excitation
Is carried out with general equations established
for systems approximately conservative and based on
the input of the oscillatory system of the oscilla-
.tar.
19T17
19T17

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so #5 , '. - eitofml. - - , - ---. -_
*0' SA B 66
I
f
*0 if', ThsOrY Of the single cavity transverse klystron. LoshaL-ov, L. 1.1, and
00 Gvozdoyer, S. D. Bull* Aead. Sci. LM, 54r. 1-hys.,
ot (1946) In Russian. - The type of vulva auZaeatod avoid& the Inefficiency ago
sox of the reflox klystron where the bam modulating voltage Is simataneounly
applied to the convorsion sleco. The -,roponed 11yetron conalsta of a
cathode end two coaxial aylindors joined to a sinCle =vity in such
a tiny as to produce a modulator, an inductor and n convertor zqmco.
General equations are Lostulatod, and the output current equation Is
derived, solved to a first approximation and interproted 1hysically.
ooz Though cintrol experiments do not agree closely with theory, they indicate
the feasibility of the proposed construction. A. L.
ago
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LOSHAKOV., L. No
"On the Theory of the Electron Beam Generator as'an Auto-oscillating system
with Distributed Constanst.." Zhur. Tekh. Fiz.,16., No.6. 1946

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P=ao

THEORY OF WAVE PROPAGATION IN AN ELECTRON
BEAM. L. N. Lophakov. Zhur. TeM. Fiz. 22 , 193-202
The theory of electrompetic wave PrOPIPtiOn I" the
presence of an electron beam in a wave pide filled with di-
electric Is described. It Is assumed that elecizons move
freely alor4 the wave-ifuldt axJs within the dielectric. Types
and ptcullarsiles of waves capable of propagating under var-
wus conditions are established. (0.Y.)

-USSR/Electronics----Wave-Guides--- FD-2223
Card V1 -Pub 90-3/12-
Author : *Loshakov, L. N.
Title : A special case of matching radio-wave guides
Periodical : Radiotekhnika, 14 25-28, Mar 1955
Abstract : A special case of matching two wave guides, for the purpose of confirming
the correctness of Brillouin's physical concepts of electromagnetic wave
propagation in wave guides, is presented in this article..Two wave guides
of the same geometrical configuration, but filled with dielectric material
of different dielectric constant, are studied here with an aim of deter-
mining the conditions for matching two ouch wave guides. Theoretical cal-
culations of the conditions for wave guide matching, based on Brillouin's
concept, were in good agreement with actual findings, and therefore may
find some practical application. One USSR reference cited.
Institution: *Active member of the All-Union Scientific and Technical Society of Radio
Engineering and Electric Communications imeni A. S. Popov, Moscow
Submitted : 12 Jan 1953

LOSM(N, L,Nq
Nonlinear phenomena in a wave guide in the presence of An electron
beam traveling at velocities near to electron and wave-notion
velocities. Zhur.tekh..fiz. 25 no.10:1768-1787 S 155. (KLRA 9:1)
(Wave guides)

:USSR Radio Physics. Radiation of Radioli'laves. Trans- 1-5
Category
mission Lines and Antennas
Abs Jour :Ref Zhur - Fizika No 3, 1957, No 7286
Author Lp_s1*oy,_'.~.N.
Title Concerning One Method of Calculating the Propagation Cons-
tants in Waveguides With 17talls of Finite Conductivity.
orig Pub Radiotekhnika, 1956, 11, No 9, 8-11
Abstract An approximate method is described for the calculation of the
propagation constants in a vraveguide -whose vialls are not ideal-
ly conducting, based on the use of the conjugate lemma. The
correctness of the above method is confirmed and the results
of its ai)T)lication are considered.
Card 1/1 28 -
USSR/Radiophysics Superhigh Frequencies) I-11
Abst Journall Referat Zhur - Fizika, No 12, 1956) 35443
Author: Loshakov, L. N.
Institution: None
Title: Approximate Calculation of the Propagation Constants in Trans-
mission Idnes in the Presence of an Electron Beam
Original
Periodical: Zh. tekhn. fiziki, 1956, 26, No 4, 809-820
Abstract: A method is described for approximate calculation of the constants
of Propagation in transmission lines in the presence qf an electron
beam, based on using the electronic equations and of-an associated
lemma analogous to the Lorenz lemma established by Ya. N. Felld
(Doki. AN SSSR, 1947, 56) 481). The results of the theoretical in-
vestigation are used to calculate a particular case of operation of
the traveling wave tube employed as an amplifier with a decelerating
system in the form of a helical line. Bibliography, 10 titles.
Card V1

1- 2
AUTHOR: Loshakov, L.N. 109-4-11/20
TITLE: Application of the Lorentz Lemma to the Determination of
he Propagation Constants for the lnteraction of an Electron
Beam with Spatial Harmonies. (Primeneniye lemmy lorentsa
dlya opredeleniya postoyannykh rasprostraneniya Pri.vzailmodey-
stvii elektronnogo potoka s prostranstvennymi.gamonikami.)
PERIODICAL: Radiotekhnika i Elektronika, 1957, Vol.2, Vo.4,
pp. 461 - 469 (USSR).
ABSTRACT: Note: The material contained in this paper was presented
at the International Congress on High-frequency Devices, Paris,
1956- In an earlier work rRef.11, the author indicated a possi-
bility of employing the Lorentz-lemma in an approximate evalua-
tion )f the propagation constants in a delay line in the presence
of an axial electron beam. Here, the application of the lemma
is extended to the case of the so-called "non-distributedif 10
waves (where each transverse field component is expressed by
axial magnetic and electric fields). The case is f 5ract' al
? ical
importance in backward-wave tubes (with a spiral line . For
the purpose of analysis it is assumed that there are no losses
in the delay line. The basic equations of the system aretRef.ij:
(;ard 1/5

109-4-11/20
Application of the lorentz Lemma to the Determination of the
Propagation Constants for the Interaction of an Electron Beam with
Spatial Harmonies.
R do jBir do (1)
;z z
az 11
so
and:
KI J/we-+ E2
(2)
where 'F1 91 are electric and magnetic fields of the line
with the beam (the unknown quantities) -'2 is a component of
the unknown field (which is rotational); ill I ill are
electric and magnetic fields of the liner in the absence of the
electrons and damping (auxiliary fields), i is a.c. component
of the electron current density, e is the dielectric constant
of the medium, w is the angular frequency, r. is the unit
card 2/5 vector of the axis z S is the cross-sectiodal area of the

109-4-11/20
Application of the Lorentz Lemma to the Determination of the
Propagation Constants for the Interaction of an Electron Beam with
Spatial Harmonics.
line and 8 is the cross-sectional area of the electron beami
the asterisi in the equations denotes the conjugate quantities.
Solution of the equations leads to the following expression for
the propagation1constant of the system:
2 - M onz12 de - 0 (45)
IL ) 4 Ooopo ~o
where 6 is a deviation of the propagation function due to
the electron beam, which is defined by;
Yn ~_' i0on - JOoo6
(33)
where 0 00 is the propagation constant for the fundamental,
while the propagation constants of the harmonics are:
2yr
Card 3/5 Pon = 000 h (29)

109-4-11/20
.,Application of the Lorentz lemma to the Determination of the
Propagation Constants for the Interaction of an Blectron Beam with
Spatial Harmonies.
in which h is the pitch of the periodl-c structure. The
remaining parameters in equation (45) are as follows;
'q = kO/Oon ) where k0 = W/uO I
UO = average velocity of the electrons
X* Ooo/Oon
and M q/020 q.= ei /meU3
0 0 0
in which e and m are the charge and the mass of an electron
and i. the d.c. density of the bean current;
FO is the average power transmitted along the system,
and "onz in the integral are components of BUZ
as given by:
+0W
Iliz = I Ronz
Uard 4/5 n= -a0

109-4-11/20
Application of the Lorentz Lemma to the Determination of the
Propagation Constantsfor the Interaction of an Electron Beam with
-Spatial Marmonics.
The sign in equation (45) relates to the interaction of
the beam with a forward harmonic and the sign (+) to the inter-
action with a backward harmonic. The coefficient by M in
equation (45), i.e. the expression:'
Kon m we IZonz 12ds
20 oopo
0
is refe=ed to as the coupling coefficient of the system for
the nth harmonic. General expressions for K are derived.
There ar'e 5 references,'2 of which pertain to ffie works of
the author.
SUBMITTED: +May 301 1956.
AVAILABLE: Library of (Jongi:ess.
Card 5/5

iC
AUTHOR LOSHAKOV L.Dr.,Regular Member of Society OLDEROGGE Ye.B.
TITLE in a Coaxial Spiral Line.
(Bystryye volny v koaksiallnoy spirallnoy linii-Ru8sian
PEkIODICAL Radiotekhnika, 1937, Vol 12, Nr 6, pp 25 - 30 (U.S.S.0
ABSTRACT An approximate theoretical investigation of the propagation of fast
waves of various kinds in a coaxial spb~al line is carried out. The
conditions under which such a propagation is possible are cletermi-
nod. The analysis is carried out within the frame of idealization,
i.e. the spiral is replaced by an anisotropically conduc#ing oylin-
drical surface with a radius similar to that of the average spiral
radius. First the initial relations and then the equations for the
phase constant and the critical frequencies are found. For the pur-
pose.of simplification of the calculation an ideal conduction of
the opkal as well as of the screen are assumed. Six independent e-
quations are formed by means of which 5 of the 6 integration con-
stants of the equations for the fields can be expressed by one, A
TranBoedent equation is obtained required for the phaue constant
Bm of the waves of various types, which can propagate in the line
investigated. The determination of the phase constant Em leads to
the graphical solution of the transcedent equation for the given
geometry of the line as well as of the frequency. The equation
for the critical frequencies is obtained and the evaluation of the
roots of this equation shows that the basic types of the waveg in
Card 1/2 the line investigated which have the lowest frequency are the a-

War
Fast Waves in a C6~Lxial Spiral Line. 10:--
n=1, m=1 and m- 1. (n JL
symmetrical wqves with the indices equation
ordinal number of the root of the transcedent if m is
given, where m= 0, :L1, +2 .... ). The investigation of these three
types followst axial-symmetrical waves (m-O'n-1) and asymmetrical
waves of the type m-+19 n-1.
(7 illustrations and74 Slavic references).
ASSOCIATION Not Given.
PUSENTED 'BY
SUBMITTED 20-11-1956
AVAILABLE Library of Congress.
Card 2/2

SOV/!08-1--Q-1/26
A
TITLE: E-Type Surfane Wav~.,n ir RoUnd Guidps (PoYerkhnoutnyye
volny tipa E v kruglnm voinovode)
PERIODTCAL: Radiotekhnika, 1958, Vol. 13, Nr 9. PP. 3-7 (USSR)
ABSTRACT: As in reference 1 no mathematical presentation is given of the
considerations involved in the st!jd.,( of' axially symmetrical
electric surface %,avea with a sm2ll lag in annular wave guitles
the interior surface of which is coated with a thin dielectric
layer this is presented in this paper. First equation (6) is
derivel specil~ving T'he unkncitun rhas,~- constant P of the surf-ac&
waves. Equation (6) can be solved graphically. Its analysis
shows that at not ~ez-y high frequeni::ies the arguments of the
Bescel tBessell) funct'7,n -ri the right part of equation (6) are
very great. Hence eqLat.-6r 6) --an be simplified for most cases
occurring in practici,. The asymptotic formulae (7) are applied
to (6), yielding (10). This equaLion (10) has no solution if the
froquency is below a certain level, This means that the R
on
waves posoeaz~ critical Vr~?quencies. They are specified by for-
Card 1
1
res
ectivel
1) has an infinite number
mula (11) and 1
12)
1
y.
.
,
,
p

B-Type --urfacp 'Paved; ir Bound vl.ave Guides
of scll.;tions which are within the interval (n-1)74Y n4(2r.-'.)
(!z = 1, 2, 3, ...). To iach value of y there corresDcnd2 a
I n
critical frequency for a certain type of wave (E ).Viher th-
-)n
frequency increases, the phase velocity of the sur-l"anne w--%-~,
drops. By solving equation ('10) the lag occurring -;.,? e-ach
cific case can be obtained. As it was desirod to drf2w more
thorough concluelonn from the theory disca~~---:~d tY.4:~ resall-c.. o~
a numerics! solt~ti,;ja of equation (10) are given for a few spi~'-
cific exFmples. T:i,..1re are 3 figures and 2 refer,-n3es, 1 of
which is Soviet.
SUBMITTED: June 11, 1957
Card 2/2

u tf J-I I-V u v
IL L r.-
A. C T~q
0
a 0. C-
son
(c Is Ao t2 %it")
A. X 5~
.10 -1 lp--4
r. A. 3d,-
0
AL L r~
M-A I~s ..P. -P~jr-. CIII
A,
(c 10 X6 16 "CC*)
A. K
L A. K".ft.
OL OL Xr.-,
ML IL
AL IL Andm..
LL N-
K OL gd-,
-IL-
X& L X16-
zUw*I.L Omjwtj~ In. A. 6. Popov MMM),

88698
s/058?60/000/1010/007/014
9, q2-3 AOO1/AOO1
Translation from: Referativnyy zhurnal, Fizika, 1960, No. 10, PP. 309-310, # 2,j427
AUTHORS: 01'derogge,.Ye.B., Loshakov., L.N.
TITLE: Calculation of Coupling Coefficient in a Backward-Wave Tube With a
Double Spiral
PERIODICAL: Tr. Konferentsii po elektronike SVCh, 1957, Moscow-Leningrad, Gosen-
ergoizdat, 1959, pp. 23 - 24
TE(T: The authors derive a formula for calculating the coupling coeffi-
cient K. for the interaction of an electron beam with a field of arbitrary space
har-onic in a backward-wave tube with a double-spiral. The spiral is assumed to
be of the strip type, screen effect and losses in the spiral are neglected.
Numerical calculations of Kc are performed by the formula obtained for a number
of particular cases. It turned out that the way of.current distribution over the
spiral strip affectsthe magnitude of K. only Insignificantly. K.-values decrease
sharply with the increasing number of the harmonic. The coupling coefficient of
the first reverse harmonic, ',._i, was investigated in detail. The graphs of KC-1
Card 1/2

88698
-9/1058/60/bOO/O 10/007/10 14
A001/AOOI
Calculation of Coupling Coefficient in a Backward-Wave Tube With a Double Spiral
are'presented as functions of geometry of the spiral, frequency and dimensions of
the beam, which are of interest for the selection of characteristics of the back-
ward-wave tube. It is found out that there is an optimum value of the spiral
pitch, corresponding to the Kc-1 maximum, for the fixed values of frequency and
radius of the spiral. It is mentioned that annular beams are expedient for the
oper-,ltion of backward-,wave tubes at sufficiently low voltages. Spirals with
relatively. large diameters can be used in this case.
G.N. Shvedov
Translator's note: This is the full translation of the original Russian abstractv
Card 212

AUTHOR: Loshakov, L.N. sov/log-4-4-15/24
TITLE: Taking into Account the Space-charge Field in the Evaluation
of the Propagation Constant of a Delay System in the
Presence of an Electron Beam by Means of the Lorentz Lemma
(0b uchete polya oblyemnogo zaryada pri raschete posto-
yannyl--h rasprostranenlya v zamedlyayushchey sisteme v
prisutstvil elektronnogo puchka s pomoshchlyu lemmy Lorentsa)
PERIODICAL: Radiotekhnika i elektronika, 1959, Vol 4, Nr
pp 688 - 694 (USSR)
ABSTRACT-: In two..earlier works (Refs 1, 2) the author described a
method for calculating the propag4tion constants of the
waves in delay systems in the presence of a longitudinal
electron beam. The method was based on the use of the
Lorentz lemma and was not very accurate. In the following,
the author makes an attempt to modify the method in such a
.....way as to improve 4-ts accuracy. The electron beam con-
sidered has a circular cross-section and is a sinusoidal
function of time. The wave equation with regard to the
longitudinal component of the electric field Elz can be
Cardl/5 written in the form of Eq (1) where XL is given by Eq (2).

SOV/109-4-4-15/24
Taking into Account the Space-char-o Field in the Evaluation of the
a
Propagation Constant of a Delay System in the Presence of an Electron
Beam by bleans of the Lorentz Lemma
The remaining symbols in these equations are: y - the
propagation constant; Ico = W/u 0; u 0 is tho.steady
component- of the electron velocity; q is the square of
the plasma wave number; i0 is the steady component of
the electron current, W p is the plasma frequency; e is
the permittivity of the medium and ji is the permeability
of the medium. The solution of Eq (1) is in the form of
Eq (3), so that the transverse component of the magnetic
field is given by Eq (4). For the region outside the bean,
the wave equation is in the form of Eq (5), where p is
defined by Eq (6). The fields are, therefore, given by
Eqs (7). The condition of continuity of the tangent fields
at the boundary of the beam (r = a) is given by Eq (8).
The propagation constants of the possible waves can,
therefore, be determined from Eqs (2), (6) and (8). For
Car-d2/5 slow waves which fulfil the conditions described by

~w/iog-4-4-15/24
Taking into Account the Space-charge Field in tfie Evaluation of the
Propagation Constant of a Delay System in the Presence of an Electron
Beam by Means of the Lorentz Lemma
Eqs (9), the propagation constants are givon-by Eq (10),
w-here 9 is defined by Eq (11). The quantity g takes
imensions
Into account the influence of the transverse d
of the beam on the propagatio 'n constant, it is referred
to as a depression coefficient. The electric field (on
the basis of the Lorentz Lemma and the preceding equations)
can be written as:
E 9' i + E2 (14)
we
The alternating current component can be written in the
form of Eq (15) or as Eq (17). It is necessary to determine
the correction factor 6 ; the relationship between 6
and the propagation constants y mof the waves is expressed
Card3/5 by Eq (21), where the phase const .ants 00m are defined

Tak-ing into Account the Space-charge Fiel _L e va ua ion of the
Propagation Constant of a Delay System in the Presence of an Electron
Beam by bleans of the Lorentz Lemma
by Eq (22); h denotes the period of the system. The
sign - (minus) in Eq (21) refers to the case of the
interaction with the first harmonic, while the sign + (plus)
refers to the interaction with a backward harmonic. For a
smooth delay system with "separated" waves of the EH type,
the propagation constants can be determined from Eq (23),
where the index n is neglected. This equation permits
the determination of the propagation of all the four simple
waves which exist in the presence of-an electron beam. The
depression coefficient can be approximately evaluated from
Eq (8). The results of the calculitions are shoim in
Figure 1. The results are compared with accurate values
(Ref 5); the comparison is given in Figure 2. From
Figures 1 and 2, it-is seen that if ale ,~-all a2' the fields induced by the other helix
is taken as uniform within the given helix cross-section and the
axial assymmetry due to helix currents is neglected. From the
known theory of a single helix, for the system in Fig. 1 the fol-
lowing are the approximate equations for the electric (E) and mag-
netic (H) fields of the slow wavess inside helix 1
Card 1/11

The design of two coupled
E AlIo(r T)e=ipz
lz 1
E i0 aElz
1r 2 9r.
,r 1
OE
LW F. lz
2 - Tr-
inside helix 2 A I (r r)e-ipz
E2z 2 0 2
E OB2z
2r2 2 -Tr-2
Card 2/11
2?590
S/108/61/016/010/003/Oo6
D209/D306
H Cl Io (r1T)e-ipz
1z ,
H i OH lz
ir r
1
iw OHlz
El~pl = -1! - -
Ir,
H C I (r r)e-ipz
2z 2 0 2
H i0 QH2z
2r 2 r2 17-r2

27590
S/108/61/016/010/003/006
The design of two coupled D209/D306
H iW 2ze E iwli PH 2z (2)
2$2 T2 r2? 2rf 2 T2 ) r2
and in'the region between them
E E31- + EIIz.= [Bj Ko(r,T) + B" KO(r le-'P'
3z z 3 3 2r)
It
,7EV
E io - 3z i0 '-3z
2 ' E 2 r
3r 4r 3r
T 1 2 T 2
H iwf- gEllz (3)
3rf 2 r H3? 2 -pr-z-
T 2 T 2
H H + Hf'z [Dj Ko(r,T) + D" Ko(r
3z iz 3 3 2T)je-'Oz
Card 3/11

27590
S/109/61/016/010/003/006
The design of two coupled D209/D306
0 H3.
i1. E37. a H3.' (3)
E31P, %2 aq %2 art
IZI Eq- (l)-(3) the time factor eJ(4t is omitted and the followi ng
notation used: u parameters of the mediumv P - phase.constant
along the longitudinal Z-axis of the system
K2 = w2a
Iol Ilp Ko and K, modified Bessel functions of arguments in pa-
rantheses. The fields must satisfy the known boundary conditions
at helix 1 and 2
"'.1,2z = E-3z., El,2,f = ".3,-r (4).
Card 4/ 11

27590
S/iog/61/016/010/003/006
The design of two coupled ... D209/D306
E sin + E cos*r! 0
1.21p 1.2 1.2z ).1.2
H + H, sin sinT--' + H CO (4)
1.2z co TI.2 .2~.A ""'1. 2 = "3, 1.2 3z. '3~1. 2)
where 1' and angles between the turns and z-axis for'helix 1
~l 2 -
and 2 respectively. For-the assumptions made above, the boundary
conditions 44) become for surface r 1 a 1
A, 10 (alc) - B; KO (alc) + B;'-Ko (d (5)
C, It (alc) - D; K, (a, %), (6)
ITO C, 1, (a,,r) sin 0, + A, 10 (a, -r) cosO, 0. (7)
A~ 1. (a.,r) sIn 0, 4- C, Io (at -~) cos 01
(13)
Card 5/11

27590
S/108/61/016/010/003/006
The design of two coupled D209/D306
and for the surface r2 = a2
As Io (a,,c) = B; KO (dc) + B;' KO (as (9)
C, 1, (a. D,,'K, (a. T). (10)
(11)
--L'ftLCIII(as,t)sin(Ps+A,/O(alv)cosOl-0,
A2 11 (a2 r) sinP2 + Cz Io (a2,r) cos 0,
'cal'B;'KI(at-c)sin0s+[D3'Ko(d-c)-FD;'Ko(al,,)Icos0s- (12)
in which the influence of transverse fields of distant helix has
been neglpcted. The dispersion equation for the phase constant
is given then, reducing to
Card 6/11
I

Or 11P0 00
r
v ies ?o
590
tQ,?2 ly
to
r8 zyc; 6~~ 047 6
.00 (, ~ry -
01,10
(1-Y Ir
e a
10") 1 8 "- ylz:l
y It '?
04 Ycle -,D(0
.4,1 ,~ i Oea 004 r
iff
00 Ipb-7 illy Q. lpo 0,
Ile z h"
K~ 'y Q4,1
r) L
4:0 Y44P2 7
tly
04 CIL,
.
140 e
40t, 4?2(t
0 r)
ty 4
e (29)

27590
B/108/61/016/010/003/006
The design of two coupled ... D209/D306
~.2 + 2Po x, -c to +
P Po + X, I x I