Compressible boundary layer predictions at high Reynolds number using hybrid LES/RANS methods

Jung Il Choi, Jack R. Edwards, Robert A. Baurle

Research output: Chapter in Book/Report/Conference proceedingConference contribution

11 Citations (Scopus)

Abstract

Simulations of compressible boundary layer flow at three different Reynolds numbers (Reδ = 5.59×104, 1.78×105, and 1.58×106) are performed using a hybrid large-eddy/Reynolds- averaged Navier-Stokes method. Variations in the recycling/rescaling method, the higher-order extension, the choice of primitive variables, the RANS/LES transition parameters, and the mesh resolution are considered in order to assess the model. The results indicate that the present model can provide good predictions of the mean flow properties and second-moment statistics of the boundary layers considered. Normalized Reynolds stresses in the outer layer are found to be independent of Reynolds number, similar to incompressible turbulent boundary layers.

Original languageEnglish
Title of host publication38th AIAA Fluid Dynamics Conference and Exhibit
Publication statusPublished - 2008 Dec 1
Event38th AIAA Fluid Dynamics Conference and Exhibit - Seattle, WA, United States
Duration: 2008 Jun 232008 Jun 26

Publication series

Name38th AIAA Fluid Dynamics Conference and Exhibit

Other

Other38th AIAA Fluid Dynamics Conference and Exhibit
CountryUnited States
CitySeattle, WA
Period08/6/2308/6/26

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All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Choi, J. I., Edwards, J. R., & Baurle, R. A. (2008). Compressible boundary layer predictions at high Reynolds number using hybrid LES/RANS methods. In 38th AIAA Fluid Dynamics Conference and Exhibit [2008-4175] (38th AIAA Fluid Dynamics Conference and Exhibit).