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Experimental and Theoretical Investigation of Unglazed Transpired Air Collectors in a Multicomponent Solar Thermal System (2006)

Submitted by Stuart Jackson on July 9, 2009

This research paper from 2006 explores the scientific calculations behind air assisted preheating for district heating nets in the former Soviet Union that uses Unglazed Transpired Air Collectors (UTCs) in open solar air systems, e.g. for space heating of production halls. 

A new numercial model calculating the thermal performance of UTCs is developed as a result of research in Bishkek. The paper states that "the model has a wide area of application, since it covers already known standard applications as well as specific constructional and technical features of the collector".

Furthermore, convective losses from the collector to the surrounding, the dependency of the absorption coefficient on the angle of incidence and the capacity of the building wall are considered. The presented model was implemented in the simulation environment TRNSYS and has been compared with measurement data.

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Experimental and Theoretical Investigation of Unglazed Transpired Air Collectors in a Multicomponent Solar Thermal System (2006) -

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