Numerical analysis on heat transfer and fluid flow for arrays of non‐uniform plate length aligned at angles to the flow direction

L.B. Wang (School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, People’s Republic of China)
W.Q. Tao (School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, People’s Republic of China)

International Journal of Numerical Methods for Heat & Fluid Flow

ISSN: 0961-5539

Publication date: 1 August 1997

Abstract

The periodically fully developed laminar heat transfer and fluid flow of an array of non‐uniform plate length, aligned at angles to air flow direction, have been investigated by numerical analysis in the Reynolds number range from 15 to 410. To implement the periodic boundary condition in both streamwise and spanwise directions and to confine the computation exactly within one cycle, proposes a linear interpolation technique, which has been proved successful by comparing the results with those obtained in an extended domain. It has been found that with an increase in the ratio of the long plate length to that of the short plate and with a decrease in the ratio of the transverse pitch to the streamwise cycle length, both the Nusselt number and friction factor decrease. Comparison of the numerical results of Nusselt number and friction factor with relevant experimental results have been performed. The agreement should be judged reasonably good.

Keywords

Citation

Wang, L. and Tao, W. (1997), "Numerical analysis on heat transfer and fluid flow for arrays of non‐uniform plate length aligned at angles to the flow direction", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 7 No. 5, pp. 479-496. https://doi.org/10.1108/09615539710187792

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MCB UP Ltd

Copyright © 1997, MCB UP Limited

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