![]() ![]() The computational tools, analysis methods, and key data products used to develop Orion’s aerothermal database will be presented.įunded by NASA’s Orion Multi Purpose Crew Vehicle The majority of these models are based on CFD, although ground and flight test data were used where available. In order to account for geometric deviations from the smooth OML, heating augmentation models were developed for locations such heatshield fences/gaps, the vehicle shoulder, and reaction control system (RCS) plumes. ![]() The aerothermal environments on the smooth outer mold line geometry were predicted with a database that was anchored with hundreds of high-fidelity solutions for convective and radiative heating. The design of the Orion spacecraft’s thermal protection system (TPS) is based largely on computational fluid dynamics (CFD) analyses.
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