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Recirculating pipe flows

Published online by Cambridge University Press:  26 April 2006

D. B. Ingham,
D. J. Keen,
P. J. Heggs and
B. R. Morton
D. B. Ingham
Affiliation:
Department of Applied Mathematical Studies, University of Leeds, Leeds, LS2 9JT, UK
D. J. Keen
Affiliation:
Department of Applied Mathematical Studies, University of Leeds, Leeds, LS2 9JT, UK
P. J. Heggs
Affiliation:
Department of Chemical Engineering, University of Bradford. Bradford. BD7 1DP, UK
B. R. Morton
Affiliation:
Department of Mathematics, Monash University, Clayton, Victoria, 3168, Australia
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Abstract

Experimental and numerical investigations are performed for the situation of steady recirculating combined-convection water flows in a cylindrical duct. The experimental results are presented as photographs from which information regarding the stream-function and temperature distributions within the water can be deduced. The experimental flows, which have Reynolds number in the range 15 < Re < 31, are modelled numerically using an elliptic finite-difference formulation and a multigrid solution technique. The results for stream function and temperature are compared with the experimental results and agreement is found to be generally very good. Plots of flow average temperature, local Nusselt number, average Nusselt number and friction factor times Reynolds number are also presented for each flow situation considered.

Information

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 213 , April 1990, pp. 443 - 464
Copyright
© 1990 Cambridge University Press

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