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Similarity solutions of mixed convection heat and mass transfer in combined stagnation and rotation-induced flows over a rotating disk

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Abstract

The objective of the present study is to develop a novel similarity model for analysis of mixed convection heat and mas transfer in combined stagnation and rotation-induced flows over a rotating disk. Thermal and concentration (solutal) buoyancy effects stemmed from temperature and concentration gradients in rotational as well as gravitational forces fields are all taken into account. The influences of the forced flow, disk rotation, thermal buoyancy, buoyancy ratio and the fluid properties, i.e. Prandtl and Schmidt numbers, on the flow, temperature and concentration fields and the associated friction factors, heat and mass transfer rates are investigated. The present results reveal the effects of various buoyancy modes with combined forces on the transport phenomena in rotating-disk flows, and the analysis is also useful in understanding the mechanisms of mixed convection in the class of rotating fluids.

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Received on 30 December 1997

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Soong, C., Chyuan, C. Similarity solutions of mixed convection heat and mass transfer in combined stagnation and rotation-induced flows over a rotating disk. Heat and Mass Transfer 34, 171–180 (1998). https://doi.org/10.1007/s002310050246

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  • DOI: https://doi.org/10.1007/s002310050246

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