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Energies
Volume 13
Issue 11
10.3390/en13112700
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Article

Analysis of Enhanced Pool Boiling Heat Transfer on Laser—Textured Surfaces

by
Łukasz J. Orman
1,*,
Norbert Radek
2,
Jacek Pietraszek
3 and
Marcin Szczepaniak
4
1
Faculty of Environmental, Geomatic and Energy Engineering, Kielce University of Technology, al. Tysiaclecia P.P.7., 25-314 Kielce, Poland
2
Faculty of Mechatronics and Mechanical Engineering, Kielce University of Technology, al. Tysiaclecia P.P.7., 25-314 Kielce, Poland
3
Faculty of Mechanical Engineering, Cracow University of Technology, al. Jana Pawła II 37, 31-864 Cracow, Poland
4
Military Institute of Engineer Technology, 50-961 Wrocław, Poland
*
Author to whom correspondence should be addressed.
Energies 2020, 13(11), 2700; https://doi.org/10.3390/en13112700
Submission received: 30 April 2020 / Revised: 24 May 2020 / Accepted: 26 May 2020 / Published: 28 May 2020
(This article belongs to the Collection Advances in Heat Transfer Enhancement)
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Abstract

Enhancement of pool boiling heat transfer can be attained with a number of passive and active techniques. The paper experimentally analyses the impact of laser treatment of the copper surfaces on pool boiling heat transfer of distilled water and ethyl alcohol. The samples were modified with a laser beam to produce longitudinal grooves of highly developed microstructures in the laser textured area. Specimens of different groove depths, groove widths and micro-fin widths were produced. The results indicate a significant influence of laser processing on heat flux dissipated from the surfaces and heat transfer enhancement for all the samples tested. The experimental results have been generalized in the form of a heat flux correlation based on a modified model of enhanced pool boiling heat transfer.
Keywords: boiling heat transfer; enhancement; laser texturing boiling heat transfer; enhancement; laser texturing

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MDPI and ACS Style

Orman, Ł.J.; Radek, N.; Pietraszek, J.; Szczepaniak, M. Analysis of Enhanced Pool Boiling Heat Transfer on Laser—Textured Surfaces. Energies 2020, 13, 2700. https://doi.org/10.3390/en13112700

AMA Style

Orman ŁJ, Radek N, Pietraszek J, Szczepaniak M. Analysis of Enhanced Pool Boiling Heat Transfer on Laser—Textured Surfaces. Energies. 2020; 13(11):2700. https://doi.org/10.3390/en13112700

Chicago/Turabian Style

Orman, Łukasz J., Norbert Radek, Jacek Pietraszek, and Marcin Szczepaniak. 2020. "Analysis of Enhanced Pool Boiling Heat Transfer on Laser—Textured Surfaces" Energies 13, no. 11: 2700. https://doi.org/10.3390/en13112700

APA Style

Orman, Ł. J., Radek, N., Pietraszek, J., & Szczepaniak, M. (2020). Analysis of Enhanced Pool Boiling Heat Transfer on Laser—Textured Surfaces. Energies, 13(11), 2700. https://doi.org/10.3390/en13112700

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