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Design, Construction and Testing of a Parabolic Solar Steam Generator

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Author(s): Joshua FOLARANMI

Journal: Leonardo Electronic Journal of Practices and Technologies
ISSN 1583-1078

Volume: 8;
Issue: 14;
Start page: 115;
Date: 2009;
Original page

Keywords: Solar Energy | Sun | Heat | Steam | Water | Radiation | Temperature

ABSTRACT
This paper reports the design, construction and testing of a parabolic dish solar steam generator. Using concentrating collector, heat from the sun is concentrated on a black absorber located at the focus point of the reflector in which water is heated to a very high temperature to form steam. It also describes the sun tracking system unit by manual tilting of the lever at the base of the parabolic dish to capture solar energy. The whole arrangement is mounted on a hinged frame supported with a slotted lever for tilting the parabolic dish reflector to different angles so that the sun is always directed to the collector at different period of the day. On the average sunny and cloud free days, the test results gave high temperature above 200°C.
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