NDLI: Research on R245fa Condensation Heat Transfer Characteristic Inside Horizontal Tubes

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Liu, Shengchun Zhang, Wenkai Dong, Ziteng
Copyright Year	2016
Abstract	Condensation heat transfer of R245fa in horizontal copper pipe is studied in this paper. In the experimental study, the pipe inner diameter is 4.38 mm, the condensing temperature range from 50∼60°C, mass flow rate ranges from 3.132kg/h to 11.988kg/h, and inlet ranges from 0.89∼1. The research results indicate that the condensation coefficient is rose with the condensing; and it will rise when the inlet quality ranges from 0.89 to 1. Experimental value and the existing two-phase flow correlation are compared in this paper. It shows that the condensation heat transfer coefficient predicted by Haraguchi correlation has a high accuracy relatively. The research provides a foundation to promote development of microchannel high efficiency heat exchanger and it is useful to practical engineering.
Sponsorship	Heat Transfer Division
File Format	PDF
ISBN	9780791849668
DOI	10.1115/MNHMT2016-6656
Volume Number	Volume 2: Micro/Nano-Thermal Manufacturing and Materials Processing; Boiling, Quenching and Condensation Heat Transfer on Engineered Surfaces; Computational Methods in Micro/Nanoscale Transport; Heat and Mass Transfer in Small Scale; Micro/Miniature Multi-Phase Devices; Biomedical Applications of Micro/Nanoscale Transport; Measurement Techniques and Thermophysical Properties in Micro/Nanoscale; Posters
Conference Proceedings	ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer
Language	English
Publisher Date	2016-01-04
Publisher Place	Biopolis, Singapore
Access Restriction	Subscribed
Subject Keyword	Temperature Two-phase flow Heat exchangers Copper Condensation Pipes Flow (dynamics) Heat transfer coefficients Heat transfer Microchannels
Content Type	Text
Resource Type	Article

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