Results of detached-eddy simulations of the Reentry-F vehicle are presented and compared to the experimental data. Comparisons between the detached-eddy turbulence model and a traditional Reynolds-averaged Navier-Stokes model show a substantial improvement in the predicted base heating rates. A grid-resolution study is performed to examine the sensitivity of the detached-eddy formulation to the grid spacing. Initial results at a zero angle of attack indicate a discrepancy with the experiment that is accounted for by the inclusion of a small experimentally measured angle of attack. Moreover, it is observed that the simulations are very sensitive to the vehicle orientation. Upon accounting for this sensitivity, the resulting predicted base pressure and heating are shown to be in very good agreement with the flight data, typically within the stated experimental uncertainty.
Bibliographical noteFunding Information:
This research is supported by the NASA Fundamental Aeronautics Program under grant NNX07AC28A with Seokkwan Yoon as Program Manager. This research is also supported by the U.S. Air Force Office of Scientific Research (AFOSR) under grant number FA9550-04-1-0341. The views and conclusions contained herein are those of the authors and should not be interpreted as necessarily representing the official policies or endorsements, either expressed or implied, of the AFOSR or the U.S. Government. Computer time was provided by the University of Minnesota Supercomputing Institute.