Combined Heat and Mass Transfer Under Different Inlet Subcooling Modes During NH3-H2O Falling Film Absorption Process

[+] Author and Article Information
Y. T. Kang

School of Mechanical and Industrial Systems Engineering, Industrial Liaison Research Institute, Kyung Hee University, Kyung-Gi 449-701, Koreae-mail:ytkang@khu.ac.kr

Y. Fujita, T. Kashiwagi

Department of Mechanical Systems Engineering, Tokyo University of Agriculture and Technology, Tokyo 184-8588, Japan

J. Energy Resour. Technol 123(3), 242-249 (Mar 08, 2001) (8 pages) doi:10.1115/1.1377895 History: Received October 01, 2000; Revised March 08, 2001
Copyright © 2001 by ASME
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Schematic diagram of the experimental apparatus
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Schematic diagram and geometric details of the test section (all units are in mm)
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Schemetic diagram of the rectangular fin and OSF—(a) rectangular plain fin, (b) offset strip fin
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Control volume for the test section
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Liquid and vapor temperature profiles (a) at the test section for Case A, (b) at the test section for Case C
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Representative temperature and concentration profiles for rectification and absorption processes—(a) rectification process, (b) absorption process
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The effect of inlet subcooling of liquid flow on heat transfer coefficient
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The effect of inlet concentration difference on heat transfer coefficient
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The effect of falling film Reynolds number on Nusselt number
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The effect of vapor Reynolds number on Nusselt number



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