E3S Web Conf.
Volume 13, 20174th Scientific and Technical Conference on Modern Technologies and Energy Systems, WTiUE 2016
|Number of page(s)||7|
|Section||Nanofluids, fluid mechanics and heat transfer|
|Published online||10 February 2017|
Simple heat transfer correlations for turbulent tube flow
1 Institute of Heat Engineering and Air Protection, Cracow University of Technology, 31-155 Cracow, Poland
2 Institute of Thermal Power Engineering, Cracow University of Technology, 31-864 Cracow, Poland
* Corresponding author: firstname.lastname@example.org
The paper presents three power-type correlations of a simple form, which are valid for Reynolds numbers range from 3·103 ≤ Re ≤ 106, and for three different ranges of Prandtl number: 0.1 ≤ Pr ≤ 1.0, 1.0 < Pr ≤ 3.0, and 3.0 < Pr ≤ 103. Heat transfer correlations developed in the paper were compared with experimental results available in the literature. The comparisons performed in the paper confirm the good accuracy of the proposed correlations. They are also much simpler compared with the relationship of Gnielinski, which is also widely used in the heat transfer calculations.
© The Authors, published by EDP Sciences, 2017
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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