Model to predict design parameters and performance curves of vacuum glass heat pipe solar collectors

Daniele Fiaschi and Giampaolo Manfrida

Energy, 2013, vol. 58, issue C, 28-35

Abstract: Glass heat pipe solar collectors are becoming very popular for heating/sanitary water production. The use of a double glass system, with vacuum in between (Dewar scheme), allows to minimize heat dispersion to the environment, and to reach potentially temperature levels in competition with much more expensive parabolic trough concentrating solar collectors (stagnation temperatures in excess of 200°C are reported). It opens their use to solar energy conversion (i.e. low-temperature ORC technology). However, in the technical literature there is not much information on the design criteria of these collectors, and of models for evaluating absorbed solar radiation and thermo-fluid-dynamics performance.

Keywords: Heat pipes; Glass; Solar radiation absorption; Shading; Solar energy generation systems (SEGS) (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:58:y:2013:i:c:p:28-35

DOI: 10.1016/j.energy.2012.12.028

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