2 papers
physics.flu-dyn2021
Exact mathematical formulas for wall-heat flux in compressible turbulent channel flows
Peng Zhang, Yubin Song, Zhenhua Xia
In this paper, several exact expressions for the mean heat flux at the wall () for the compressible turbulent channel flows are derived by using the internal energy equation o…
physics.flu-dyn2020
On skin friction in wall-bounded turbulence
Zhenhua Xia, Peng Zhang, Xiang I. A. Yang
In this paper, we derive mathematical formulas for the skin friction coefficient in wall-bounded turbulence based on the Reynolds averaged streamwise momentum equation and the tota…