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A Vortex-Grid Method for Prandtl's Equations
SIAM Journal on Scientific Computing, 1999The author presents a combination of vortex-grid and finite difference methods to solve the unsteady two-dimensional boundary layer equations in vorticity-velocity formulation. The method uses a Lagrangian particle approach for the convective step of the momentum equation, while the diffusion step is solved with finite differences on an adaptive ...
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Turbulente Prandtl-Zahl Prt (turbulent Prandtl number Prt)
2000Es handelt sich urn eine Stromungsgrose (keine Stoffgrose), die in Analogie zur molekularen Prandtl-Zahl (einer Stoffgrose) eingefuhrt worden ist. Sie ist keine dimensionslose Kennzahl im Sinne der Dimensionsanalysis.
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2020
In the previous chapters, we looked at flow across normal and oblique shock waves. In both cases, the fluid undergoes compression and the flow decelerates. There is also an attendant loss of stagnation pressure. It was also shown that an “expansion shock” solution, while mathematically possible, is forbidden by the second law of thermodynamics as the ...
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In the previous chapters, we looked at flow across normal and oblique shock waves. In both cases, the fluid undergoes compression and the flow decelerates. There is also an attendant loss of stagnation pressure. It was also shown that an “expansion shock” solution, while mathematically possible, is forbidden by the second law of thermodynamics as the ...
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Direct numerical simulation of thermal channel flow for medium–high Prandtl numbers up to
International Journal of Heat and Mass Transfer, 2021Sergio Hoyas
exaly
DNS of turbulent heat transfer in channel flow with respect to Reynolds and Prandtl number effects
International Journal of Heat and Fluid Flow, 1999Hiroyuki Abe, Yuichi Matsuo
exaly