E3S Web Conf.
Volume 70, 201817th International Conference Heat Transfer and Renewable Sources of Energy (HTRSE-2018)
|Number of page(s)||6|
|Section||Heat Transfer and Heat Exchangers|
|Published online||03 December 2018|
An investigation of heat transfer coefficient during refrigerants condensation in vertical pipe minichannels
Koszalin University of Technology, Department of Energetics, ul. Racławicka 15-17, PL - 75-620 Koszalin, Poland
* Corresponding author: email@example.com
This article presents the results of experimental research of heat transfer coefficient in air cooled vertical pipe minichannels during R404A, R407C and R410A high-pressure refrigerants condensation. The study determined local and average heat transfer coefficient values in full range of vapour quality, x = 0 ÷ 1. On the basis of experimental investigations, the dependence of heat transfer on the vapour quality x, mass flux density G and minichannel's internal diameter dw was obtained.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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