An-Najah National University

Abu-Hilal

 

 
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  • Wednesday, September 29, 2010
  • Evaluating Thermal Performance of Solar Cookers
  • Published at:Proceeding of The Seventh Jordanian International Mechanical Engineering Conference 27-29/9/2010.Paper No. 156928732
  • This study presented a short review on the solar cooker designs and

    applications. Two designs of cookers were tested. The first type has a painted black base and second has internal reflecting mirrors. These designs were examined under two modes of operations: at fixed position and on tracking system. The cooker at a fixed position had recorded thermal efficiencies ranging from 17 % to a sharp peak of 41.2% at the maximum solar intensity of the day around 11-12 am with an average overall efficiency around 27.6%. Whereas, cooker with internal reflecting mirrors installed on a sun tracking system gave

    higher water and pot temperatures, and thermal efficiency ranged from 25.3% to 53.1% with an average overall efficiency around 40.6 %. Cookers installed on sun tracking system had the advantage of maintaining a higher and closer range of thermal efficiencies through the daylight than the ones at fixed positions.

     
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Prof. Dr.-Ing. Mohammed Abu-Hilal
Applied Mechanics, Mechanical Vibration
 
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