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Article

Experimental Diagnosis of the Heat Pipe Solar Collector Malfunction. A Case Study

by
Pawel Znaczko
1,
Emilian Szczepanski
2,*,
Kazimierz Kaminski
1,
Norbert Chamier-Gliszczynski
1 and
Jacek Kukulski
2
1
Faculty of Mechanical Engineering, Koszalin University of Technology, 75-453 Koszalin, Poland
2
Faculty of Transport, Warsaw University of Technology, 00-662 Warsaw, Poland
*
Author to whom correspondence should be addressed.
Energies 2021, 14(11), 3050; https://doi.org/10.3390/en14113050
Submission received: 21 April 2021 / Revised: 11 May 2021 / Accepted: 21 May 2021 / Published: 24 May 2021
(This article belongs to the Section A2: Solar Energy and Photovoltaic Systems)

Abstract

Work was carried out to diagnose irregularities in the operation of a vacuum-tube solar collector. Experimental investigations of the collector were carried out at the solar collector field test stand in the Laboratory of Solar Collectors at the Koszalin University of Technology. The scope of the work included the following: research on thermal efficiency characteristics, research on the temperature distribution on the solar collector manifold, and research on the geometric structure of the heat pipe and filling with the working medium. Based on the diagnostic tests carried out, the occurrence of incorrect sedimentation in the condenser on the neck of the heat pipe (44%) and an incorrect amount of working medium (66%) were found. The results show that the functioning of the heat pipe significantly depends on its geometric structure and the amount of working medium. Any irregularity at the production stage contributes to a reduction in the thermal efficiency of the solar collector. The results of the experimental research presented in this paper can be used in the diagnostic analyses of solar systems as well as in the organisation of the manufacturing processes of these systems.
Keywords: heat pipe solar collector; diagnostic investigation; infrared measurement; heat pipe defects; phase change materials; thermal efficiency heat pipe solar collector; diagnostic investigation; infrared measurement; heat pipe defects; phase change materials; thermal efficiency
Graphical Abstract

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MDPI and ACS Style

Znaczko, P.; Szczepanski, E.; Kaminski, K.; Chamier-Gliszczynski, N.; Kukulski, J. Experimental Diagnosis of the Heat Pipe Solar Collector Malfunction. A Case Study. Energies 2021, 14, 3050. https://doi.org/10.3390/en14113050

AMA Style

Znaczko P, Szczepanski E, Kaminski K, Chamier-Gliszczynski N, Kukulski J. Experimental Diagnosis of the Heat Pipe Solar Collector Malfunction. A Case Study. Energies. 2021; 14(11):3050. https://doi.org/10.3390/en14113050

Chicago/Turabian Style

Znaczko, Pawel, Emilian Szczepanski, Kazimierz Kaminski, Norbert Chamier-Gliszczynski, and Jacek Kukulski. 2021. "Experimental Diagnosis of the Heat Pipe Solar Collector Malfunction. A Case Study" Energies 14, no. 11: 3050. https://doi.org/10.3390/en14113050

APA Style

Znaczko, P., Szczepanski, E., Kaminski, K., Chamier-Gliszczynski, N., & Kukulski, J. (2021). Experimental Diagnosis of the Heat Pipe Solar Collector Malfunction. A Case Study. Energies, 14(11), 3050. https://doi.org/10.3390/en14113050

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