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Title: On optical performance and directional characteristics of plastic film liquid layer solar water heaters
Authors: Τσιλιγγίρης, Παναγιώτης Θ.
Item type: Journal article
Keywords: water layer thickness;radiation transmission conditions;solar absorptance;συνθήκες μετάδοσης ακτινοβολίας;πάχος του στρώματος νερού;ηλιακή απορροφητικότητα
Subjects: Technology
Issue Date: 4-May-2015
Date of availability: 4-May-2015
Publisher: Elsevier
Abstract: An analysis is developed for the investigation of the transmittance–absorptance product (τα), and directional characteristics of plastic-film water-bag solar water-heaters, which are important for long-term system performance investigations. The analysis allows a complete comparative investigation of the effects of a large number of parameters, like water layer thickness, bottom solar absorptance, radiation transmission conditions and extinction properties of semi-transparent films, on the transmittance–absorptance product. Finally the comparative effect of diffuse and specular reflection and transmission assumption on the derived results is investigated. It is concluded that the use of low iron content glass panes may possibly lead to (τα) figures far in excess of 0.8 for new systems.
Language: English
Citation: TSILINGIRIS, P.T. (1998). On optical performance and directional characteristics of plastic film liquid layer solar water heaters. Solar Energy. [Online] 63 (5). p.293–302. Available from:[Accessed 04/12/1998]
Journal: Solar Energy
Type of Journal: With a review process (peer review)
Access scheme: Publicly accessible
License: Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ηνωμένες Πολιτείες
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