Experimental Performance of Solar Receivers Designed to Use Oil as a Heat Transfer Fluid | Zendy

Justice Mlatho | Zendy

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Experimental Performance of Solar Receivers Designed to Use Oil as a Heat Transfer Fluid

Author(s) -

Justice Mlatho

Publication year - 2011

Publication title -

isrn renewable energy

Language(s) - English

Resource type - Journals

eISSN - 2090-746X

pISSN - 2090-7451

DOI - 10.5402/2011/851764

Subject(s) - heat transfer fluid , concentrator , thermal , positive displacement meter , materials science , volumetric flow rate , heat transfer , fluid dynamics , displacement (psychology) , tube (container) , metre , parabolic reflector , working fluid , oil pump , solar energy , flow (mathematics) , mechanical engineering , nuclear engineering , petroleum engineering , mechanics , optics , electrical engineering , engineering , composite material , thermodynamics , physics , psychology , astronomy , psychotherapist

A parabolic dish concentrator (PDC) has been designed to be used for charging a thermal energy storage (TES) that is for indirect cooking purpose. Three different receivers have been designed, fabricated, and their performance tested experimentally. The three designs are Volumetric Flask (VF), Volumetric Box (VB), and Conical Tube (CT) receivers. The receivers have been fabricated to use oil as a heat transfer fluid. Of the three designs, the CT receiver has the highest efficiency for a given flow rate, thus making it the best receiver. A positive displacement pump was also designed and constructed for the experimental tests. The pump is used to drive the oil through the receivers and also to act as a flow meter. Thus a low-cost and high-temperature positive displacement pump and a flow meter have been designed and fabricated for use in solar thermal studies.

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