Please use this identifier to cite or link to this item: http://ktisis.cut.ac.cy/handle/10488/235
Title: Design and performance characteristics of a parabolic-trough solar-collector system
Authors: Lloyd, Stephen J. 
Ward, John Paul 
Eleftheriou, Polyvios 
Kalogirou, Soteris A. 
Lloyd, Stephen J. 
Ward, John Paul 
Eleftheriou, Polyvios 
Keywords: Solar-collector system
Issue Date: 1994
Publisher: Elsevier B. V.
Source: Applied Energy, Vol. 47, no. 4, 1994, pp. 341-354
Abstract: A comparison of the advantages and disadvantages of concentrating collectors against conventional flat-plate collectors are presented. This is followed by the design of a parabolic-trough solar-collector system, due consideration having been given to collector-aperture and rim-angle optimisation, together with the receiver-diameter selection. The collector characteristic curve gives a test slope of 0·441 and a test intercept equal to 0·642. The value of the test slope differs considerably from the initially predicted value: this is attributed to the heat losses from the receiver support brackets. Subsequent allowance for these losses is presented: this reduces the difference from 24·9% to 5·7%. Other tests are presented, including the determination of the collector's incidence-angle modifier, time constant and acceptance angle.
URI: http://ktisis.cut.ac.cy/handle/10488/235
ISSN: 0306-2619
DOI: 10.1016/0306-2619(94)90041-8
Rights: Copyright © 1994 Published by Elsevier Science Ltd.
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