Momentum Transfer Model for Reynolds Stressesby Robert Gerard,
Serial Information: Journal of the Hydraulics Division, 1977, Vol. 103, Issue 10, Pg. 1232-1237
Document Type: Journal Paper
Abstract: As with most other natural phenomena turbulence has to be approximate by a simplified mathematical model to be approximated by a simplified mathematical model to render its effects amenable to engineering analysis and for turbulence there are few models that can match in simplicity and effectiveness the phenomenological momentum transfer model suggested by Prandtl in 1925. Research into the mechanics of shear flow turbulence is still far from providing any general quantitative expressions for Reynolds stresses. Thus, phenomenological models of turbulence will probably be the basis of engineering explanations of Reynolds stresses in turbulent flow for some time to come, and it would be useful if these could be made more reasonable and more generally applicable, without sacrificing their simplicity.
Subject Headings: Turbulence | Mathematical models | Turbulent flow | Reynolds stress | Mathematics | Shear flow | Shear stress | Flow duration |
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