E3S Web Conf.
Volume 13, 20174th Scientific and Technical Conference on Modern Technologies and Energy Systems, WTiUE 2016
|Number of page(s)||4|
|Section||Nanofluids, fluid mechanics and heat transfer|
|Published online||10 February 2017|
Modelling of flow boiling heat transfer in a cylindrical annulus mini gap
1 Kielce University of Technology, Faculty of Mechatronics and Mechanical Engineering, Al. 1000-lecia P.P. 7, 25-314 Kielce, Poland
2 Kielce University of Technology, Faculty of Management and Computer Modelling, Al. 1000-lecia P.P. 7, 25-314 Kielce, Poland
* Corresponding author: firstname.lastname@example.org
This paper presents the results of investigations into flow boiling heat transfer in a mini gap 1 mm wide. The mathematical approaches of the heat transfer coefficient determination were also proposed. It was considered two ways of describing layers in a measurement module with a cylindrical annulus mini gap. In the first approach, the measurement module was treated as a planar multilayer wall and in the second approach - as a multilayer cylindrical wall. The values of the local heat transfer coefficients, determined from two approaches, were compared. Both approaches gave similar results.
© The Authors, published by EDP Sciences, 2017
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