Development and modification of a Cassegrainian solar concentrator for utilization of solar thermal power

Stoynov, Lubomir A & Yarlagadda, Prasad K. (2003) Development and modification of a Cassegrainian solar concentrator for utilization of solar thermal power. In International Solar Energy Conference, March 2003, Hawaii, USA.


Almost all life on Earth has been using solar energy in many ways, but when high temperatures are desired, concentration of the incident solar radiation (insolation) becomes necessary. The present work is an attempt to improve and experimentally compare alternative beam delivering and focusing energy systems of a small solar concentrator. The researched solar energy concentrator (SEC) facility consists of modified two mirror Cassegrainian solar concentrator, twospeed sun-tracking manual and automatic control, concentrated insolation transmitting and continuous beam focusing systems. A number of system modifications during the development of the two stage, point focusing type solar concentrator arrangement for solar thermal power utilization have also been explored and are reported in this paper. Some of the experimental testing results obtained using single polymer fiber 14 mm in diameter, a truncated conical concentrator, and auxiliary lens system alternatives, have been compared. In addition, some details about various improvements of the suntracking sensor and automatics, beam transmission and continuous focusing capabilities of the SEC facility have been described.

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ID Code: 6169
Item Type: Conference Paper
Refereed: Yes
Additional Information: For more information, please refer to the publisher's website (link above) or contact the author:
Additional URLs:
Keywords: insolation, concentrator, Cassegrainian SED technical committee of interest, Solar Thermal Power
ISBN: 0791836762
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Automation and Control Engineering (091302)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2003 American Society Of Mechanical Engineers
Deposited On: 15 Feb 2007 00:00
Last Modified: 29 Feb 2012 13:00

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