NDLI: Near-wall modeling of compressible turbulent flow

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Near-wall modeling of compressible turbulent flow

Content Provider	NASA Technical Reports Server (NTRS)
Author	So, Ronald M. C.
Copyright Year	1991
Description	A near-wall two-equation model for compressible flows is proposed. The model is formulated by relaxing the assumption of dynamic field similarity between compressible and incompressible flows. A postulate is made to justify the extension of incompressible models to ammount for compressibility effects. This requires formulation the turbulent kinetic energy equation in a form similar to its incompressible counterpart. As a result, the compressible dissipation function has to be split into a solenoidal part, which is not sensitive to changes of compressibility indicators, and a dilatational part, which is directly affected by these changes. A model with an explicit dependence on the turbulent Mach number is proposed for the dilatational dissipation rate.
File Size	1952829
Page Count	79
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19910016051
Archival Resource Key	ark:/13960/t1ck39n73
Language	English
Publisher Date	1991-06-30
Access Restriction	Open
Subject Keyword	Fluid Mechanics And Heat Transfer Turbulent Flow Compressibility Turbulent Boundary Layer Boundary Conditions Flow Equations Prandtl Number Compressibility Effects Energy Dissipation Flow Distribution Wall Flow Mathematical Models Kinetic Energy Compressible Flow Mach Number Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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