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ICHMT DIGITAL LIBRARY ONLINE

ISSN 961-91393-0-5

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Year 2006

• 1Turbulence, Heat and Mass Transfer 5
Proceeding of The International Symposium on Turbulence, Heat and Mass Transfer - Dubrovnik, Croatia, September 25-29, 2006

806 pages

Volume price - $246.00

Heat-Transfer and Temperature-Defect Laws in Turbulent Boundary Layer on a Plate with Injection

I. I. Vigdorovich
Central Institute of Aviation Motors, 2 Aviamotornaya St., 111116 Moscow, Russia

ABSTRACT

Similarity laws for temperature profiles and heat flux at the wall are established for turbulent thermal boundary layer on a permeable plate. According to a universal temperature defect law at arbitrary injection and rather high Reynolds numbers everywhere outside the viscous sublayer, the temperature profiles can be described by a single curve, which is known from experimental data for an impermeable plate. A universal heat transfer law, in the form of generalized Reynolds analogy, makes it possible to represent the heat flux distributions corresponding to different Reynolds numbers, in terms of a function of one variable. The results are obtained without invoking any special closure hypotheses.