Solid-Fluid Response of Packed-Bed Regenerators by Crump’s Numerical Inversion of Laplace Transforms

[+] Author and Article Information
P.-C. Lu

Department of Mechanical Engineering, University of Nebraska—Lincoln, Lincoln, NE 68588-0525

J. Sol. Energy Eng 109(2), 121-126 (May 01, 1987) (6 pages) doi:10.1115/1.3268188 History: Received March 01, 1986; Online November 11, 2009


The temperature histories in the fluid and the solid phases of a fixed-matrix (packed-bed) thermal storage unit in the regenerative mode of operation, with complete reversals of the flow direction, are traced. The heat conduction and energy storage are considered in the solid, but neglected in the fluid. The problem is solved numerically by the technique of Laplace transforms, with the inversion effected by a fast and robust scheme due to Crump [19]. Sample results are plotted and discussed in physical terms.

Copyright © 1987 by ASME
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