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RESEARCH PAPERS: Phase Change and Multiphase Heat Transfer

A Unified Correlation for the Prediction of Heat Transfer Coefficients in Liquid/Solid Fluidized Bed Systems

[+] Author and Article Information
Mohammad Jamialahmadi

The University of Petroleum Industry, Ahwaz, IRAN

Mohammad Reza Malayeri, Hans Müller-Steinhagen

The University of Surrey, Surrey GU2 5XH, Guildford, England

J. Heat Transfer 118(4), 952-959 (Nov 01, 1996) (8 pages) doi:10.1115/1.2822594 History: Received April 11, 1996; Revised July 25, 1996; Online December 05, 2007

Abstract

In recent years, there has been considerable interest in the development of solid-liquid fluidized bed heat exchangers for efficient utilization of energy and for the control of heat transfer surface fouling. However, the design for optimum heat transfer remains uncertain and essentially empirical. In this study, a data bank containing a large number of measured heat transfer coefficients over a wide range of operational parameters (solid and liquid phase physical properties and heat transfer surface configurations) are compared with the prediction of almost all available correlations in the literature. A unified model for the prediction of heat transfer coefficients for wall-to-bed and immersed heater-to-bed systems is presented which predicts the published experimental data with good accuracy.

Copyright © 1996 by The American Society of Mechanical Engineers
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