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TECHNICAL PAPERS: Heat and Mass Transfer

Effectiveness Correlations for Heat and Moisture Transfer Processes in an Enthalpy Exchanger With Membrane Cores

[+] Author and Article Information
L. Z. Zhang, J. L. Niu

Department of Building Services Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong

J. Heat Transfer 124(5), 922-929 (Sep 11, 2002) (8 pages) doi:10.1115/1.1469524 History: Received July 01, 2001; Revised November 06, 2001; Online September 11, 2002
Copyright © 2002 by ASME
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References

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Figures

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Schematic of a cross-flow enthalpy exchanger with membrane cores
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Schematic of the experimental setup
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Sorption curve for the membrane material, C=2.5,wmax=0.22
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Calculated and experimental sensible effectiveness for a cross-flow membrane enthalpy exchanger
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Calculated and experimental latent effectiveness for a cross-flow membrane enthalpy exchanger
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Variations of α and β with increasing inlet relative humidity for first-type (C=0.1) membrane material
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Variations of α and β with increasing inlet relative humidity for linear type (C=1.0) membrane material
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Variations of α and β with increasing inlet relative humidity for third-type (C=10) membrane material
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Variations of NTUL with relative humidity for different membranes, NTU=4.2
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Latent effectiveness for three types of membranes, NTU=4.2

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