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S8 Engenharia Aeroespacial |
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Title:
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THREE DIMENSIONAL FLOW SIMULATIONS FOR TYPICAL LAUNCH VEHICLES AT ANGLE OF ATTACK
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Summary :
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SUPERSONIC FLOW SIMULATIONS OVER TYPICAL LAUNCH VEHICLE CONFIGURATIONS
ARE PRESENTED. TWO DIFFERENT COMPUTATIONAL CODES WERE USED IN THIS
INVESTIGATION. BOTH ARE 3-D FINITE DIFFERENCE CODES WRITTEN FOR GENERAL,
BODY-CONFORMING, CURVILINEAR COORDINATE SYSTEMS. THE FIRST CODE SOLVES
THE EULER EQUATIONS WHEREAS THE OTHER CODE SOLVES THE REYNOLDS-AVERAGED
NAVIER-STOKES EQUATIONS USING A MODIFIED BALDWIN-LOMAX TURBULENCE MODEL. SIMULATIONS ARE PERFORMED BOTH FOR THE VLS AND THE SONDA III-A CONFIGURATIONS AT ANGLE OF ATTACK AND FOR VARIOUS SUPERSONIC FREESTREAM MACH NUMBERS. COMPUTATIONAL RESULTS ARE VALIDATED WITH CODE-TO-EXPERIMENT AND CODE-TO-CODE COMPARISONS.
KEYWORDS: LAUNCH VEHICLE, CFD, THREE-DIMENSIONAL FLOW, FLOW AT ANGLE OF ATTACK, SUPERSONIC FLOW. |
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Author :
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Azevedo, Joćo L. F.
Bigarelli, Enda D. V.
Mello, Olympio A. F.
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Paper View :
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