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TECHNICAL BRIEF

Influence of Circuitry Arrangement on the Pressure Drops of Two-Row Finned Tube Evaporators

[+] Author and Article Information
Chi-Chuan Wang, Min-Sheng Liu, Jin-Sheng Leu

Energy and Resources Laboratories, Industrial Technology Research Institute, Hsinchu 310, Taiwan

J. Energy Resour. Technol 123(1), 100-103 (Nov 06, 2000) (4 pages) doi:10.1115/1.1348271 History: Received November 15, 1999; Revised November 06, 2000
Copyright © 2001 by ASME
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References

Ebisu, T., Yoshida, K., and Torikoshi, K., 1996, “Air-Cooled Heat Exchanger Performance for R-410A,” Proc., 1996 International Refrigerant Conf., Purdue, IN, pp. 139–144.
Wang,  C. C., Jang,  J. Y., Lai,  C. C., and Chang,  Y. J., 1999, “Effect of Circuit Arrangement on the Performance of Air-Cooled Condensers,” Int. J. Refrig., 22, pp. 275–282.
ANSI/ASHRAE Standard 37, 1988, “Methods of Testing for Rating Unitary Air-conditioning and Heat Pump Equipment.”
ASHRAE Standard 41-2, 1987, “Standard Methods for Laboratory Air-flow Measurement.”
Wang,  C. C., Chiang,  C. S., and Lu,  D. C., 1997, “Visual Observation of Flow Pattern of R-22, R-134a, and R-407C in a 6.5 mm Smooth Tube,” Exp. Therm. Fluid Sci., 15, pp. 395–405.
Dukler, A. E., and Taitel, Y., 1991, “Flow Patterns Transitions in Gas-Liquid Systems,” Chap. 3, Two-Phase Gas-Liquid Flow: A Short Course on Principles of Modeling Gas-Liquid Flow and on Modern Measuring Methods, University of Houston, Houston, TX: this paper is quoted from Chap. 3, Tong and Tang, Boiling Heat Transfer and Two-Phase Flow, 1997, Taylor & Francis.
Taitel,  Y., and Dukler,  A. E., 1976, “A Model for Prediction of Flow Regime Transitions in Horizontal and Near Horizontal Gas-Liquid Flow,” AIChE J., 22, pp. 47–55.

Figures

Grahic Jump Location
Schematic of typical circuitry design in evaporator
Grahic Jump Location
Schematic of experimental setup
Grahic Jump Location
Pressure drops versus frontal velocity for arrangements (A)–(C)
Grahic Jump Location
Schematic of the flow pattern transition for adiabatic diabatic flow

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