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TECHNICAL NOTES

Experimental Study on Forced Convection Heat Transfer Inside Horizontal Tubes in an Absorption/Compression Heat Pump

[+] Author and Article Information
Li Yong, K. Sumathy

Department of Mechanical Engineering, University of Hong Kong, Hong Kong

J. Heat Transfer 124(5), 975-978 (Sep 11, 2002) (4 pages) doi:10.1115/1.1473142 History: Received July 13, 2001; Revised February 25, 2002; Online September 11, 2002
Copyright © 2002 by ASME
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References

Groll,  E. A., 1997, “Current Status of Absorption/Compression Cycle Technology,” ASHRAE Trans., 103, Part 1, pp. 361–374.
Torstensson, H., and Nowacki J. E., 1991, “A Sorption/Compression Heat Pump Using Exhaust Air a Heat Source,” Proceedings of Absorption Heat Pump Conference, Tokyo, pp. 103–108.
VDI-Warmeatlas1977, “Berechnungsblatter fur den warmeubergang,” Siebte, erweiterte Auflage. VDI-Verlag (in German), ISBN 15063.3434.
Guo, K. H., Chen, H. R. Mei, J. B., Shu, B. F. and Meng, Z. X., 1994, “Physical Properties Database of Absorption Working Pairs,” project report, submitted to Chinese Academy of Sciences (in Chinese).
Moffat,  R. J., 1988, “Describing the Uncertainties in Experimental Results,” Exp. Therm. Fluid Sci., 1, pp. 3–17.
Guo,  K. H., Shu,  B. F., and Chen,  L. P., 1994, “Experimental and Theoretical Study on Falling Fil Absorption Process,” Engineering Thermal Physics, 15, pp. 160–170 (in Chinese), ISSN 0253-231X.
Guo,  K. H., Chen,  Z., Shu,  B. F., and Meng,  Z. X., 1996, “Theoretical and Experimental Study on Forced Convection In-tube Generation Process,” Engineering Thermal Physics, 17, Suppl., pp. 187–190, (in Chinese), ISSN 0253-231X.

Figures

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Schematic diagram of the experimental setup
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Absorption pressure drop for DMA/R-22 mixture showing the effect of (a) mass flux, and (b) R-22 concentration
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Quasi-local heat transfer coefficient versus (a) mass flux, and (b) R-22 concentration
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Comparison of proposed correlation results with the experimental data

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