Compressibility effects and turbulence scalings in supersonic channel flow Export

@article{citeulike:4401405, abstract = {Turbulence in supersonic channel flow is studied using direct numerical simulation. The ability of outer and inner scalings to collapse profiles of turbulent stresses onto their incompressible counterparts is investigated. Such collapse is adequate with outer scaling when sufficiently far from the wall, but not with inner scaling. Compressibility effects on the turbulent stresses, their anisotropy, and their balance equations are identified. A reduction in the near-wall pressure\–strain, found responsible for the changed Reynolds-stress profiles, is explained using a Green\'s-function-based analysis of the pressure field.}, author = {Foysi, H. and Sarkar, S. and Friedrich, R.}, citeulike-article-id = {4401405}, citeulike-linkout-0 = {http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=227719}, citeulike-linkout-1 = {http://dx.doi.org/10.1017/S0022112004009371}, doi = {10.1017/S0022112004009371}, journal = {Journal of Fluid Mechanics}, keywords = {vegasposter1}, number = {-1}, pages = {207--216}, posted-at = {2009-04-24 19:37:07}, priority = {2}, title = {Compressibility effects and turbulence scalings in supersonic channel flow}, url = {http://dx.doi.org/10.1017/S0022112004009371}, volume = {509}, year = {2004} }

TY - JOUR ID - citeulike:4401405 L3 - citeulike-article-id:4401405 N2 - Turbulence in supersonic channel flow is studied using direct numerical simulation. The ability of outer and inner scalings to collapse profiles of turbulent stresses onto their incompressible counterparts is investigated. Such collapse is adequate with outer scaling when sufficiently far from the wall, but not with inner scaling. Compressibility effects on the turbulent stresses, their anisotropy, and their balance equations are identified. A reduction in the near-wall pressure–strain, found responsible for the changed Reynolds-stress profiles, is explained using a Green's-function-based analysis of the pressure field. IS - -1 JF - Journal of Fluid Mechanics EP - 216 TI - Compressibility effects and turbulence scalings in supersonic channel flow VL - 509 SP - 207 KW - vegasposter1 AU - Foysi, H AU - Sarkar, S AU - Friedrich, R PY - 2004/// UR - http://dx.doi.org/10.1017/S0022112004009371 ER -