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Open AccessArticle
Prediction of Heat Transfer During Condensation of Ammonia Inside Tubes and Annuli
by
Mirza M. Shah
Mirza M. Shah
Engineering Research Associates, 10 Dahlia Lane, Redding, CT 06896, USA
Energies 2024, 17(19), 4869; https://doi.org/10.3390/en17194869 (registering DOI)
Submission received: 13 July 2024
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Revised: 7 September 2024
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Accepted: 23 September 2024
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Published: 27 September 2024
Abstract
Ammonia has been used as a refrigerant since the beginning of the refrigeration industry and it continues to be an important industrial refrigerant. However, there is no well-verified method for predicting heat transfer during condensation in tubes and annuli. Available information is often contradictory, especially about the effect of oil. In this paper, available test data and predictive methods are reviewed. Reliable test data are identified and compared to well-known general correlations. The effect of oil on heat transfer is investigated. The results of this research are presented, and recommendations are made for design calculations.
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MDPI and ACS Style
Shah, M.M.
Prediction of Heat Transfer During Condensation of Ammonia Inside Tubes and Annuli. Energies 2024, 17, 4869.
https://doi.org/10.3390/en17194869
AMA Style
Shah MM.
Prediction of Heat Transfer During Condensation of Ammonia Inside Tubes and Annuli. Energies. 2024; 17(19):4869.
https://doi.org/10.3390/en17194869
Chicago/Turabian Style
Shah, Mirza M.
2024. "Prediction of Heat Transfer During Condensation of Ammonia Inside Tubes and Annuli" Energies 17, no. 19: 4869.
https://doi.org/10.3390/en17194869
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