An investigation of refrigerant R410A condensation on a shell and tube heat exchanger simulation is conducted. Tests are on the outside of a horizontal smooth tube, a herringbone tube, and a newly developed three-dimensional-enhanced tube, called the enhanced tube (EHT) tube, all of the same outer diameter. Experiments were conducted at a constant saturation temperature of 45 °C, a constant inlet vapor quality of 0.8, a constant outlet vapor quality of 0.1, and mass fluxes ranging from 5 kg/(m2 s) to 50 kg/(m2 s). At low-mass velocities, the smooth tube shows superior performance over the herringbone tube and the EHT tube. The cause might lie in surface tension effects that result in liquid inundation at the lower portion of the tube, thickening the film on the tube and deteriorating the heat transfer performance. Analyses were conducted to find a suitable correlation of the experimental data.
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Research-Article
Shell-Side Flow Condensation of R410A on Horizontal Tubes at Low-Mass Fluxes
Wei Li,
Wei Li
Department of Energy Engineering,
Zhejiang University,
Hangzhou 310027, China
e-mail: weili96@zju.edu.cn
Zhejiang University,
Hangzhou 310027, China
e-mail: weili96@zju.edu.cn
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Xu Chen,
Xu Chen
Department of Energy Engineering,
Zhejiang University,
Hangzhou 310027, China
Zhejiang University,
Hangzhou 310027, China
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Jing-Xiang Chen,
Jing-Xiang Chen
Department of Energy Engineering,
Zhejiang University,
Hangzhou 310027, China
Zhejiang University,
Hangzhou 310027, China
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Zhi-Chuan Sun,
Zhi-Chuan Sun
Department of Energy Engineering,
Zhejiang University,
Hangzhou 310027, China
Zhejiang University,
Hangzhou 310027, China
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Terrence W. Simon
Terrence W. Simon
Mechanical Engineering Department,
University of Minnesota,
111 Church Street S.E.,
Minneapolis, MN 55455
University of Minnesota,
111 Church Street S.E.,
Minneapolis, MN 55455
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Wei Li
Department of Energy Engineering,
Zhejiang University,
Hangzhou 310027, China
e-mail: weili96@zju.edu.cn
Zhejiang University,
Hangzhou 310027, China
e-mail: weili96@zju.edu.cn
Xu Chen
Department of Energy Engineering,
Zhejiang University,
Hangzhou 310027, China
Zhejiang University,
Hangzhou 310027, China
Jing-Xiang Chen
Department of Energy Engineering,
Zhejiang University,
Hangzhou 310027, China
Zhejiang University,
Hangzhou 310027, China
Zhi-Chuan Sun
Department of Energy Engineering,
Zhejiang University,
Hangzhou 310027, China
Zhejiang University,
Hangzhou 310027, China
Terrence W. Simon
Mechanical Engineering Department,
University of Minnesota,
111 Church Street S.E.,
Minneapolis, MN 55455
University of Minnesota,
111 Church Street S.E.,
Minneapolis, MN 55455
1Corresponding author.
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received September 30, 2015; final manuscript received August 28, 2016; published online September 13, 2016. Assoc. Editor: Ali Khounsary.
J. Heat Transfer. Jan 2017, 139(1): 011501 (9 pages)
Published Online: September 13, 2016
Article history
Received:
September 30, 2015
Revised:
August 28, 2016
Citation
Li, W., Chen, X., Chen, J., Sun, Z., and Simon, T. W. (September 13, 2016). "Shell-Side Flow Condensation of R410A on Horizontal Tubes at Low-Mass Fluxes." ASME. J. Heat Transfer. January 2017; 139(1): 011501. https://doi.org/10.1115/1.4034552
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