Journal
FLOW TURBULENCE AND COMBUSTION
Volume 86, Issue 3-4, Pages 369-397Publisher
SPRINGER
DOI: 10.1007/s10494-011-9329-0
Keywords
DNS; Supersonic; Turbulent; Boundary-layer; Isothermal
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Funding
- Higher Education Commission Pakistan
- GENCI-[CCRT/CINES/IDRIS] under Agence Nationale de la Recherche [x2009020912, ANR-07-CIS7-009]
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Direct numerical simulation results for a developing, supersonic boundary layer flow with either an adiabatic wall temperature condition or a cold wall (relative to adiabatic) temperature condition are evaluated to assess the comparative effect on the mean and turbulent fields. Included in the analysis are two-point turbulent spanwise spatial correlations and the corresponding one-dimensional energy spectra distributions as well as higher-order statistics including skewness and flatness factors. In addition to the mean field velocity and temperature behavior, the turbulent Reynolds stress, temperature variance, and heat and mass flux distributions are discussed. An overall focus of the analysis is to both contrast the velocity and thermal field behavior and to provide some additional insight into the dynamic balance of the various statistical correlations and their impact on model development.
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