Convective environments for OFT Mission C are presented in graphs for first stage convective heating to the internal surfaces of the OMS nozzle, to the aft facing 8 and 9 RCS nozzles, and to the base (trailing edge) of the vertical tail

Bender, R. L., Jr.

Lee, Y. C.

English

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F _- - I _ - -  
( N A S A - C R - ~ ~ I ~ ~ ~ )  I\DDEND.JM TO C S V  GENERIC OIT FIRST S T X F  N80-2763 :  
S C E N T  BASE CONVECTIVE LLCATING ENVIROMCNTS  ernte tech, Inc. 
Huntsville, Ala. ) 5 p Unclas 
ENERIC OFT 
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r I V E  HE, 
20 December 1978 
Prepai 
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RTR 014-8 
SSV base convect ive heat ing environments dur ing  the r e c i r c u l a t e d  f l o w  t ime  
segment o f  f i r s t  stage ascent were determined f o r  the gener ic  OFT t r a j e c t o r y  and 
repor ted  i n  Reference 1. Three reg ions o f  i n t e r e s t  i n  t he  O r b i t e r  base reg ion  
were overlooked i n  t h a t  o r i g i n a l  presentat ion.  Convective environments t o  these 
l oca t i ons  f o r  OFT Miss ion C have been determined and a re  presented i r i  t he  a t tach-  
ments. 
F igure 1 - F i r s t  stage convect ive heat ing t o  the  i n t e r n a l  surfaces of 
t he  OMS Nozzle 
F igure 2 - F i r s t  stage convect ive hea t ing  t o  the  a f t  f a c i n g  #8 and #9'  
RCS Nozzles 
F igure  3 - F i r s t  stage convect ive heat ing t o  the  base ( t r a i l i n g  edge) o f  
the V e r t i c a l  T a i l  
Base gas recovery temperature Cor the  Miss ion C t r a j e c t o r y ,  presented i n  
F igure 1 o f  Reference 1, i s  app l i cab le  t o  Figures 1 through 3 o f  t h i s  r epo r t .  
Reference 1 REMTECH Report RTR 014-6, "SSV Generic OFT F i r s t  Stage Ascent 
Base Convective Heat ing Environments ," R. L. Bender, J r .  , 
and Young C. Lee, October 31, 1978. 
HEMTECk- I  INC. 
FIGURE 2 .  FIRST STAGE CONVECTIVE HEATING TO THE AFT FACING #8 AND #9 
RCS NOZZLES 
GENERIC OFT MISSION C FLIGHT TIME - SECONDS 
FIGURE 3. FIRST STAGE CONVECTIVE HEATING TO THE BASE (TRAILING EDGE) OF 
THE VERTICAL T A I L  


Addendum to SSV Generic OFT First Stage Ascent Base Convective Heating Environments

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