Volume 5, Juin 2013Progress in Flight Physics
|Page(s)||3 - 22|
|Section||Chapter One. Turbulence modeling|
|Published online||14 June 2013|
Comparative study of different turbulence modeling approaches to prediction of transonic and supersonic flows past a reentry capsule with balance flaps
St. Petersburg State Polytechnic University 29
Poytechnicheskaya Str., St. Petersburg
2 RSC “Energia” 4A Lenin Str., Korolev 141070, Moscow Region, Russia
3 TSNIIMASH 4 Pionerskaya Str., Korolev 141070, Moscow Region, Russia
Computations of a turbulent flow past a reentry capsule are carried out with the use of two Reynolds-averaged Navier-Stokes (RANS) models and Delayed Detached-Eddy Simulations (DDES) in a wide range of the free stream Mach number (M∞ = 0.8-6.0). It is shown that transonic and slightly supersonic mean flows are more sensitive than the high Mach number flows. Other than that, DDES reveals a significant flow unsteadiness and strong oscillations of forces acting on the capsule which may cause an impact on its survivability. A comparison of simulations with the experimental data on mean flow and integral forces demonstrates a fairly good agreement.
© Owned by the authors, published by EDP Sciences, 2013
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