Numerical Study of Flow and Temperature Stratifications in a Liquid Thermal Storage Tank

[+] Author and Article Information
K. L. Guo, S. T. Wu

Department of Mechanical Engineering, The University of Alabama at Huntsville, Huntsville, Ala. 35899

J. Sol. Energy Eng 107(1), 15-20 (Feb 01, 1985) (6 pages) doi:10.1115/1.3267646 History: Received October 01, 1981; Online November 11, 2009


A two-dimensional, time-dependent mathematical model has been developed to investigate the flow and temperature stratification phenomena in a liquid thermal storage tank for a solar energy system. This model is based on the principles of both natural and forced convective heat transfer. To obtain the numerical solution for this set of nonlinear partial differential equations, an improved Alternative Direction Implicit (ADI) scheme was developed, which enables us to obtain solutions for very large Grashof and Reynolds numbers for the first time. In this analysis, we present the numerical results on the flow patterns and temperature distributions in a liquid storage tank for various Reynolds and Grashof numbers together with the numerical scheme.

Copyright © 1985 by ASME
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