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ISSN 打印: 1064-2285
ISSN 在线: 2162-6561

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DOI: 10.1615/HeatTransRes.v39.i8.100
pages 739-746

Experimental Investigation of Opposing Turbulent Mixed-Convection Heat Transfer in an Inclined Flat Channel with One-Sided Heating. 3. Investigations for an Inclination Angle φ = 20° and Generalization of the Data

Robertas Poskas
Lithuanian Energy institute; Kaunas Univerity of Technology, Kaunas, Lithuania
Povilas Poskas
Lithuanian Energy Institute, Branduolines inzinerijos problemas laboratorija, Breslaujos str. 3, LT-44403 Kaunas, Lithuania

ABSTRACT

The data and results of an analysis presented in this paper supplement and generalize the data that have been presented earlier. The results on experimental investigation of heat transfer in the air flow in an inclined flat channel for (φ = 20° (from horizontal position) are given. Heat transfer investigations have been performed for one-sided heating (the upper wall is heated) in the case of opposing turbulent mixed-convection flows, when Re = 4·103−4·104 and Grq = 1.7·108− 1.4·1010 . A relation for calculation of heat transfer in inclined flat channels was suggested.