8-12 July 2013
Africa/Johannesburg timezone
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A solar-thermal cooker using oil for heat transfer

Presented by Dr. Alan MATTHEWS on 10 Jul 2013 from 17:40 to 18:40
Type: Poster Presentation
Session: Poster2
Track: Track F - Applied Physics

Abstract

A solar-thermal cooker was constructed and tested at the Westville Campus of the University of KwaZulu-Natal. The system comprised a half-parabolic collector dish with trapezoidal mirror tiles, and a coiled-pipe receiver connected to a pebble-based storage. The dish tracked the sun using a computer program. Solar radiation was focused onto the receiver by the collector and thermal energy was transported from the receiver to the storage by pumping oil through a closed loop. Two receivers were tested: a flat coil and a concave cup coil. We present results of the tests, in particular the efficiency of energy transfer from collector to storage.

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