Flat plate aluminum heat pipe collector with inherently limited stagnation temperature

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Jack, S.; Parzefall, J.; Luttmann, T.; Janßen, P.; Giovannetti, F.: Flat plate aluminum heat pipe collector with inherently limited stagnation temperature. In: Energy Procedia 48 (2014), S. 105-113. DOI: https://doi.org/10.1016/j.egypro.2014.02.013

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This paper presents a new flat plate collector technology based on heat pipes. The use of heat pipes can lead to several advantages over direct flow collectors: A simple hydraulic interconnection, an inherently limited stagnation temperature and substitution of copper. This flat plate collector prototype with aluminum heat pipes features all three aspects in one collector. The paper outlines the theoretical modeling approaches and presents the construction of the collector as well as detailed results of measurements of the collector performance. By use of specially designed heat pipes the heat transfer is limited at higher temperatures, which leads to a maximum stagnation temperature of 140°C at the manifold of the collector, thus preventing damages to the solar circuit fluid and solar components. Therefore, cost savings regarding the collector by substituting copper with aluminum and cost savings regarding the solar system due to lowered stagnation temperatures can be achieved.
License of this version: CC BY-NC-ND 3.0 Unported
Document Type: article
Publishing status: publishedVersion
Issue Date: 2014
Appears in Collections:An-Institute

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pos. country downloads
total perc.
1 image of flag of Germany Germany 19 44.19%
2 image of flag of United States United States 5 11.63%
3 image of flag of India India 5 11.63%
4 image of flag of Russian Federation Russian Federation 3 6.98%
5 image of flag of China China 3 6.98%
6 image of flag of No geo information available No geo information available 2 4.65%
7 image of flag of Turkey Turkey 2 4.65%
8 image of flag of United Kingdom United Kingdom 1 2.33%
9 image of flag of Spain Spain 1 2.33%
10 image of flag of Egypt Egypt 1 2.33%
    other countries 1 2.33%

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