Internal Flow of Rarefied Air and Heat Transfer in a Near Space Payload
Jonathan W. Woolley, Robert P. Taylor, and John Baker
The 41st AIAA Thermophysics Conference, June 22-25, 2009, San Antonio, TX
ABSTRACT
In order to realize the full potential of unmanned vehicle technology in near space, a full understanding of the heat transfer phenomena in the rarefied environment of near space is necessary. In the current work, a two-dimensional model is employed with a commercial computational fluid dynamics (CFD) software package to investigate the heat transfer phenomena within a near space payload. Convection and radiation heat transfer within a square cavity are evaluated for various boundary conditions including velocity slip and temperature jump conditions.
