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Transient analysis of evacuated tubular solar collector with finite difference technique

โœ Scribed by Rakesh Kumar; S.C. Kaushik; H.P. Garg

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
344 KB
Volume
4
Category
Article
ISSN
0960-1481

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โœฆ Synopsis

This paper presents transient analysis of an evacuated tubular solar collector. Basic energy balance equations for the glass envelope, the absorber and the fluid are solved using the finite difference technique to predict the various component temperatures as a function of time. Four versions of the evacuated tubular collector are considered for typical winter and summer conditions. It is found that an evacuated tubular collector with a lower vacuum and a selective coating can yield receiver temperature and outlet water temperature of 360 and 180ยฐC, respectively, for a typical set of ordinary parameters and summer conditions.

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