SCIENTIFIC ABSTRACT PANCHENKOV, A. M. - PANCHENKOV, A. M.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R001239010001-4
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 14
• Document Creation Date: January 3, 2017
• Document Release Date: August 1, 2000
• Sequence Number: 1
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

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213-67
S/021/61/000/012/004/011
12,1 ID D251/D305
AUTHOR: Panchenkov, A. M.
TITLE: 'Rydromeohanical ohara6teristios of a wing near a solid
boundary
PERIODICAL: Akademiya nauk Ukrayinalkoyi RSR. Dopqvidit no, 129
1566-1570-
TEXT: The author states that the problem of hydromechanical cha-
racteriatice of a wing near a solid boundary is of interest in de-':
signLng submarine and aircraft. A method of solving the plane case,
is given. An equation is-obtained based on the oharacterietic
fvnetion, the complex velocity of 6irculetion and the condition of't
the solid boundary. The force is obtained by means of Chaplybin's
formula
0

Ell 21367
021/61/000/012/004/011
Hydromechanical characteristics D251/-D305
where B = F+ JQ where is the strength of the vortex,
and Q is the strength of the source. The circulation begins at
Point.~,. By means of the function of M. Ye. Kochyn IH(-A5 (Ref.)s
Tr. konf. po. teor. voln. soprot. M. TsAGI, 65 (1937)), a solution
is obtained for the force
OIL F, +
PE, = Q00r. -
4V-2 nR coi do
+ QUX. Cos at, 4h
YR-co,s-ao
where
:Ih
rho 0
POO

21367
8/021/61/000/012/004/011
Hydromechanical chara ater"iBtirs ... D251/D305
+
-F, +
YWihW+_1cosae
2cosN
(9)
+
-------------------------------- -
The method is applied to the aerofoil of M. Ye. ZhukovB'kyy.. The
results obtained-correspond well with experimental data. There are
1 figure and 3 Soviet-,bloc 'references,
Card 3/4
21367
S/021/61/000/012/004/011
Hydromechanical characteristics ... D251/D305
ASSOCIATION: Inetytut hidrolohiyi ta hidrotek~niky AN URsR (In-
stitute of Hydrology and Hydroteohnios AS UkrSSR)
PRESENTED: by H. Ye. Pavlenko, Academician AS UkrSSR
SUBMITTED: May 17, 196",

~R
ACCESSION IM: AT4028731 B/3083/63/022/600/0022/0029
AUTHOR: Pancheakov, A. M. (Panchenkov, A. N.)
A
The movement of an underwater wing in stationary waves
TITLE:
SOURCE. AN UkrRSR. Insty*tut g1drologlyi i gidrotekhni)W*. Visti, v. 22(29), 1963,
Gidromckhanika sudna (Ship hydromechanics), 22-29
TOPIC TAGS: wing, underwater wing, wing design, hydrodynamics, hydromechaoics
ABSTRACT- The article deals with the problem of the movement of an underwater wing
in stationary waves - The solution is obtained through the use of an approximate method
(A. M. Panchen1cov, Pro rukh kry*la pobly*zu villnoyi poverkhni ridy*ny*, "Prikladna
mekhanika0l, vy*p. 2, 1962). General formulas are obtained for the forces on an underwater
wing of arbitrary contour. In the particular cases of a circular cylinder with circulation
and the N. Ye. Zhukovskly wing, finite results are given which permit study of the effect
of the wave phase on the lifting force and wave resistance of imderwater wings and can be
-Srd-- 1/2
ACCESSION MR: AT4028731
employed in practical
computations. Orig- aft. has: 32 formulas
ASSOCIATION: InstY*tut gidrologiyi i gidrotekhn1W AN UkrRSR. (I" of
and HydrotecbLuclogy titute ~H&ology:
AN UkrRsR)
SUBMITTED: 00
DATE ACQ: 16Apr64 ENCL: 00'
SUB CODE: AS, ME NO REF' SOV: 002 OTHER: 3oo.

2 9? 2 5
LIS
A'UTHOR:
TITLE;
PERIODICAL:
I'lanchen M. (Kyyiv)
kov, A.
5/198/61/007/005/011/015
D274/D303
Motion of a cylinder near the free surface of a fluid
Prykladna mekhanika, V. 7, no. 5, 1961, 547 - 553
TBXT; The motion of a cylinder near the free surface of a fluid
was considered by L.M. Sretens1kiyj M.V. Keldysh and M-Ye. Kochin
(Refs: 1, 2, 3 published by TsAGI (Central Institute of Acrohydro-
dynamics im. Zhukovskiy) in 1934, 1935 and 1937). The last two au-
thors simulated the motion of the cylinder by the motion of a di-
pole near the free surface. For motion in an unbounded stream, the
potential of motion of the dipole is the cylinder potential, since,
one of the stream lines is formed by the cylinder contour. If the
motion takes place in the neighborhood of the free surface, thit3
contour is deformed and the dipole simulates the motion of an oval-
shaped profile. This problem can be solved by the variational prin-
ciples of conformla mapping. Taking the boundary conditione from
'j *". 't-_1 .11
,Card 1/6' ;~' ~ .11 7

S/198/61/007/005/011/'015
Motion of a cylinder near D274/D303
the theory of small i--iaves, an expreasio)-t for the characteristic
function of the dipole motion near the free surfaoe, is obtained
(Ref - 3. Op. cit. ) - By means of mapping functions which inap the ex-
terior of nea.-ly-eircular regions, the characteristic function of
cylinder motion can be obtained. The motion for P. = v/Vg-b :, oo
is considered. The characteristic function and the compiex veloci-
ty arelexpreseed " by
VOa r (1)
Wh (Z) VD z 4- a~ + + In (2) + r I, (z - Wh),
z z-21h ~_:d 2ai
d Wh _0 voa2 + rl+ r 1 (2)
d2: 2 2 (2 - 2ih)' 2:ti z 2:ti (z - 2ih)
Hence the contour equation
!~cas sin 4 -
IP= VO R-I! sin a (3)
R) R 1-4~sI60+4h%
InR2 1/'] - 4 sin 0 . + 4h
W
Card 216r.
S/198,/61/007/005/011/015
Motion of a cylinder near ... D274/D303
is obtainedt h/R). For sin 0 Ot one obtains
Ro=a~T+c
I-D (5)
C _~h2 D=- rh
(02 + 1)2 =,R(l +4h')
Assuming that the oval contour io close to a circle with radius R of
one obtains
R = R o(l + 6MIP (6)
/6"
and the function which effects a conformal mapping of the oval on
the circle, as
2v
P.0 ~Z[i 8(t) dt] + Q(8- 2 (7)
21( ait - z
0
~;16 :_J

19M5
3/198/61/007/005/011/015
Motion of a cylinder near ... D274/D303
Expressing S(O) in the form of a Fourrier seriest one obtains
f (Z' Z-2 ao + +QM).
0 =,Ro 2
n-1
-he f orces are obtained by M.Ye. Kochin's method. Introducing the
function
f(z C) dW (Z)
R OD
H e 0 dz dz, (12)
the lifting force Ph of the cylinder is expressed by
00
/H(;~)/2 dZ. (13)
Ph ~ Fo 00
2Y
0
Transforming (12) and using the theorem'*of residuesp one obtains
Z
Card 4/6

9#-
S/198/61/007/005/011/015
Motion of a cylinder near D274/D303
H (X) e-1h, r 2:tvo% (ga ao
Ro _TJ
)1a2
Qr-v,
Qr., ( TO ao
evor' 2hi
R at
(15)
2h8
Hence H and P can be determined if the first coefficient a of the
0
Fourrier expansion of 6 13 known, The calculation of this coeffi-
.oient leads to elliptical integ-als. These integral can be found
by formulas and tables of the references. The rumetion 6 can be
also r-1-tained by a different expansion. Thereuponp one obtains
2 3
f(z, c) z -!-(a ib z +-a z ib z + a z
0 -1 2 5
-VK
Card
5/6
Card 6/6
ILI 16
V1 L.16

S/021/62/000/002/005/010
D299/D304
panchenkovy A. rce of a wing in
kUTHOR: the lift f'
Influence of shallows Or' a-surface
y of a fr,,e flui
-vicinxt I no. 21
T the opo-vidi. 1962,.1 169-172
ljkrRSR* D
FRj0D1CkL-- kkademiya nauk s , free surface of
P f a wing i onsidered near the
The motion 0 /-rg-by where bis the WiU9
T 'v
finite depth with 2rb ~ and at the fixed edg,
a fluid Of conditions at the surface
cljord4, The boundarY
are*.
09 for Y ih
dw 0
dz
(2)
0 f or y iho
oy
Oard

0,-fZ
Influence Of shallows
S102
Tile expression f D21 '2'i000100210051010
X304
Or the 0
the formula for OmPlex velocity of flow ,a
the OOMPlex velocity
upon 8 X.. Chaplygin
to Of the vortex Soubtained from
functi~ first formula is used and urce. There-
n Trudy konferentaii po teorj 0N. Ye Koohinv,
leniyat TBAGI, 1637) Introduoed: Inovo,
90 Sprotiv--
HfA) e-i~z
f io,,z d z
c (4)
One obtains
PM. JHWII e-ATJL
A +
A-0
f e- (J'4-2P "JL e_AA
d4.
216
(5)

3/021/62/000/002/005/010
Influence of shallows ... T)299/D304
0 - k) 6
(8W,2 + 1)" F1 (h) + F2 (TO)
Aa,, (8714+ 1 ;A (10)
-where is the relative elongation; (.