Heat transfer to power law fluids from a heated square cylinder

Dhiman, A. K. ; Chhabra, R. P. ; Eswaran, V. (2007) Heat transfer to power law fluids from a heated square cylinder Numerical Heat Transfer, Part A: Applications, 52 (2). pp. 185-201. ISSN 1040-7782

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Official URL: http://www.tandfonline.com/doi/abs/10.1080/1040778...

Related URL: http://dx.doi.org/10.1080/10407780601149870


Forced-convection heat transfer to power-law fluids from a heated square cylinder has been investigated numerically for the range of conditions 1 ≤Re≤45, 0.5≤n≤2.0 and 1≤Pr≤100 (the maximum Peclet number being 4,000). In this range of Reynolds number, the flow is known to be steady and two-dimensional. The variation of the local Nusselt number on the individual surfaces of the square cylinder and the representative isotherm plots, for both the constant-temperature and uniform-heat-flux boundary conditions prescribed on the surface of the square obstacle, are presented to elucidate the role of Reynolds number, Prandtl number, and power-law index on the heat transfer characteristics. Using the present numerical data, appropriate predictive correlations are obtained for estimating the value of the mean heat transfer coefficient in a new application.

Item Type:Article
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ID Code:78496
Deposited On:20 Jan 2012 04:28
Last Modified:20 Jan 2012 04:28

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