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Jan 2000

Volume 12, Issue 1, pp. 1-242

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Filtered subgrid-scale models

P. Sagaut, P. Comte, and F. Ducros

Phys. Fluids 12, 233 (2000); http://dx.doi.org/10.1063/1.870297 (4 pages) | Cited 39 times

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Filtered subgrid-scale models are derived, which are less sensitive to the low-frequency modes than their original counterparts. They are obtained thanks to the definition of a high-pass discrete test filter. After presenting the theoretical derivation of these models, some a posteriori tests on the incompressible channel flow case are presented. © 2000 American Institute of Physics.
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47.11.-j Computational methods in fluid dynamics
47.60.-i Flow phenomena in quasi-one-dimensional systems

A velocity transformation for heat and mass transfer

F. Nicoud and P. Bradshaw

Phys. Fluids 12, 237 (2000); http://dx.doi.org/10.1063/1.870252 (2 pages) | Cited 5 times

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The Van Driest transformation for compressible boundary layers with heat transfer is studied in the low-Mach-number limit. The limiting case leads to a bi-logarithmic type of profile for the mean velocity. A (purely mathematical) analogy with incompressible boundary layers having mass transfer at the wall is identified. © 2000 American Institute of Physics.  
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47.15.Cb Laminar boundary layers
47.27.T- Turbulent transport processes
47.40.-x Compressible flows; shock waves
47.27.nb Boundary layer turbulence
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