DESIGNS AND CHARACTERISTICS OF COMBUSTION CHAMBERS

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP82-00039R000100100043-3
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 15
• Document Creation Date: January 4, 2017
• Sequence Number: 43
• Publication Date: January 23, 1951
• Content Type: REPORT

Declassified in Part -Sanitized Copy Approved for Release 2012/05/25 :CIA-RDP82-000398000100100043-3
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Title ~ D~IQNS D OHaRACTERI9TICS OF' COi�UgTION CI~AltBF~9 by
N. V. InozerotaeY and Y~ S. Z~rev ~USaR)
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3ouroa: Aviateio o Oazo~urbui Dvi atell, 1949, p~ 360-383, t
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 Declassified in Part -Sanitized Copy Approved for Release 2012/05/25 :CIA-RDP82-000398000100100043-3
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~ s~o ~a~aaT~z~T oe o~ ~~eT off o ~
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V~ Ino~+ev ark v~ 6~ Z~
several oombuetio~ oha~er designs for ~
Ne shall i~Y/eti6ate
th oatie~r the requirements imposed upon
turbine engine o to determine hoer eY
i~
} them
~ hed inione on oombuetian ohea~b~~
At preeent~ there are still no eetablie op
ore chambers o~ modern gae.~turbine engines ~Y be quite dif-
deeign and there
~usl with airy organization o~ the combustion
~erent in dorm, methods off' mi~d.ng
r walls and creation o~ a uniform temperature
ohamber~ cooling o~ the ohambe ,
' field at the chamber outlet
' t to aonr? �
4ombustion ahambore can be divided into three groups with respec r
struation~
u includes annular ohamber~ir~ ~rohiah the engine has one common
The f fret gro p
annular chamber between the compressor and turbine.
o nd rou includes tubular block chambers, which are several in-
rc~ The ee o g p
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dividual chambers in a oomnaon housing.
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includes tubular individual chambers in which the engine
The third group
he annular s ace between compressor and turbine.
s several se crate chambers in t p
Vii. ha p
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t and small size are the a~rantag�s of the annul~c' ahambere in
,3' ~ weig~l a
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ndividual ahambers~ The advantage a~ individual tubular. chambers
oompariaan with i
' nishin o~ these small chambers fa a oomparativel~ easy {
is that production and fi g ~
mental h hr ow�r units requiacing large amounts.. of ;,air
task. Combersome expert ~ p
a are not needed to test individual chambers
t n be ~ rel~ti~rely' aompl8t~ ~
. ~ ~ ` ~ Tabular. chambers are. most advanced, oombue io ~
'r � r 5` 1~
r ~ ~ rat~bh relatives stable Under various ~ �xpl~. ration conditions..
~,n
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_ ~ ~ r~ ~ ~ ~ b~?e ~ ines~havs 6 ta_~A roombus~ion ahambexs of~
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 Declassified in Part -Sanitized Copy Approved for Release 2012/05/25 :CIA-RDP82-000398000100100043-3
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ors e,nd Zoe ~~,~res 2
Anz1?ular Combustion ~
oh has not partiai~a`~d in
is aro ~?i~cad with air why.
Trio count ion ~rodua
This io trio zono of ~
s o~ trio ohambor
aombuotion in trio aeoQnd ~
and of t�r laur~~~ stxo, primacy' and
ohsmbor is divided ~,nto two
Trio e~ir ontorin~ trio an~nule~r holes ~V in
era the co~auation Sono thxou
cond~Y`~ Prig' air ont
00 ~orrrard p o~ the ohamber
/sand trio
8 cf trim bu~'~ra ~ ~i0h are p ~r s aao a
~~ure 2 3) ees dough the annu P
h i eCtors~ 8eaondary` air leas
and equipped w~.t ~
d of this apses are forty v~
he combustion sons ~ At 'fie en ~
wl~ioh surrounds t att�rn on both the r
anged ~ a chockerboard p
shaped mig nox~les ate' romot� good
ne rid of eighty no~zlos to ~
ts~ This creat8e a v�ry ~ ~ Ong
outer ~ack� the contr
from the cha~aber A along
~ of the burning geese co ~
C nding ti~� combustion nhanabor
avin tl~e annular oavitY st,~rau
' with se condar'Y air le ~
h the mixing noz~lesi cket ? throu6h
throng art of the out�r ~a
oleo in the forward p I
Thore ie a row of h
onters the epees behind tie
far or~oling ~ .
small amount of air corVi~ . 6 and the
which a
~rxow canal between ~;he hone nC ,i
a
vice of the turbine f rum t ~e
~�t do
ackot 7 ~ through
outer ~ holes in the fo~ard ~art~
icet $ also lies two raves of -
The inner lac - ackot 8 and the central bases
canal form�d by' the innor ~
which air enters the f the het device of the
blade�o
10 and then into the hollow
of the chamber ~
ne in order to cool them 6 burners with iY?-
bi
art of the chamber has ;
The front unit in the f orrrar p at the end of
cone 2 and an inner cone 3~
s ~ Each burner has an outer
hector
rea
baffle) 4~ sC alter 3s
Y ~
wh~.ch is a def lector � housing l:
consists o ,
r actor ~Figuxe 2$4)
The main fUe ~ sear/ ~ ~ ~
valve 11 and a t
actor head has bald. ~ -
and head 4~ The ink
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Declassified in Part -Sanitized Copy Approved for Release 2012J05/25 :CIA-RDP82-000398000100100043-3

 Declassified in Part -Sanitized Copy Approved for Release 2012/05/25 :CIA-RDP82-000398000100100043-3

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~uol entora into rho i~9,ot halo A of rho in~ootor and pasQee throuu~h th�
riper to rho ru~l ball valve 11~ whi oh drops by oontri~ugal ,~'oroa into the
rralvo houoing~ ~�re rho l paasoo through the Dana/ Y and thon through rho
a drilled ontial to rho inner cylindrioal eurraao
ri~'� hole e ~ ~ oh re tag
or the girl Thus rho reel ,rlor~ng into rho aombuetion ohambor through
tta oontral oririov (d+~0~6~~~pt) ie whirl�d intenaivoly, whioh ato~aiz�o rho het
flawit~ rrom the in~octor~
The combustion chamber ie equippod with six eupplementatyi etartir~ in~oatore
i
laces b�tween tti� main burn�rs, and two spark ~~luge (figure 26~} are plea�d n�ar
p
u or in ootore Fi ux� 28~ ~ The starting in~cotors era boated in
th� two pp ~ ( ~ }
the forward hart or th� olambor wl~ero air vol~~oity is v�ry low. Tho in~octora
swirl th� pct and provide rind ~u~l atomization, '
i
Zn the b~;rnor of the ehAmUer (~,gtiure 286), air l�r~ves the compressor with
a v�locity or appro~~mately l~0 meters per �ec;ond, dropping to 100 meters per
second in wont of rho combustion chambor~ About 60-70 of the total air dis-
ch~rge antore the oombustion zone or th� c~~amber, wt?ile th� remain~.n~; air ie
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dire tted to the mixing oanale t~~rough the holes q. boost of the pr~.mary air I
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entering the combustion zono passes through canal 1 with a velocity of 60-70
meteir~s p�r second gwirls 2 corm along the out/@t from these canals, Thes�
swirls ick up the drops of the fuel spray 3 which l�aves the infector in th�
p
form of a cone with an angl� of approximate ~r 300 ~ A small amount of air pee ee s
around the infector through th� inner annular slot, ae a result of which air is
preliminarily mixed with part of the fuel in the inner cone of the bti~rner~
a nditione for ood mixing of fuel with air and ~o~n-
Thus, the necas Cary o g
~k
bastion of the mixture are created by partial mixing in the inner cone and
~
the air swirls in the outlet from Dana/ 1.
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. ~ ~ ~ ;important data hn the test aharacteristios of one annular combustion
chamber is shown below:
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i ri 1 ~1 f: i S
S 4:". S i+I ~ i~ C r-~d fly 1
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Declassified in Part -Sanitized Copy Approved for Release 2012J05/25 :CIA-RDP82-000398000100100043-3 ` .

 Declassified in Part -Sanitized Copy Approved for Release 2012/05/25 :CIA-RDP82-000398000100100043-3

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