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International Heat Transfer Conference 5

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

APPLICATION OF ADSORPTION METHOD FOR DETERMINATION OF LOCAL CONVECTIVE HEAT TRANSFER RATES

S. Koncar-Djurdjevic
Faculty of Technology and Metallurgy, Faculty of Mechanical Engineering, Beograd, Yugoslavia

M. Mitrovic
Faculty of Technology and Metallurgy, Faculty of Mechanical Engineering, Beograd, Yugoslavia

S. Cvijovic
Faculty of Technology and Metallurgy, Faculty of Mechanical Engineering, Beograd, Yugoslavia

G. Popovic
Faculty of Technology and Metallurgy, Faculty of Mechanical Engineering, Beograd, Yugoslavia

Dimitrije Voronjec
Mechanical Engineering Faculty, 11000 Belgrade

Abstract

The adsorption method of convective mass fluxes measurement is based on diffusion controlled adsorption of an organic dye, from a diluted water solution, to the surface of a thin, white adsorbent layer. Local mass transfer rates can be obtained from adsorption chromatograms, either by reflected light colorimetry or dye elution. This method is applied to some fluid-solid systems, as a thin, flat plate in the longitudinal flow, circular cylinder in the cross-flow, rotating and vibrating disc in the stagnant fluid. A correlation of local heat and mass transfer data was obtained for all systems investigated.

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