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RESEARCH PAPERS

An Appraisal of One-Dimensional Analytical Models for the Packed Bed Thermal Storage Systems Utilizing Sensible Heat Storage Materials

[+] Author and Article Information
G. A. Adebiyi

Department of Mechanical Engineering, Mississippi State University, Mississippi State, MS 39762-5925

D. J. Chenevert

KA60/Technology and Sensor Development Division, NASA John C. Stennis Space Center, Stennis Space Center, MS 39529

J. Energy Resour. Technol 118(1), 44-49 (Mar 01, 1996) (6 pages) doi:10.1115/1.2792692 History: Received May 22, 1995; Revised December 04, 1995; Online December 05, 2007

Abstract

This article gives an appraisal of existing analytical one-dimensional models for the packed bed thermal energy storage (TES) systems utilizing sensible heat storage (SHS) materials. The models include that of Schumann, which is for separate phases, but does not include axial conductivity (or dispersion) in the bed, and the single-phase model of Riaz which includes axial dispersion. An alternative axial conductivity model is proposed which compares well with the Schumann model when axial dispersion is negligible, but otherwise caters adequately for axial dispersion at the low Peclet number condition.

Copyright © 1996 by The American Society of Mechanical Engineers
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