Performance of a reverse flat plate absorber cabinet dryer:a new concept

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Date
1999
Authors
Goyal, R K
Tiwari, G N
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Abstract
The reverse flat plate absorber is a non-concentrating collector which can collect solar energy at high temperature, unlike conventional non-concentrating collectors. In this paper, the concept of a reverse flat plate collector has been used as a heating medium of air for drying agricultural products in a cabinet dryer. The thermal performance of the new proposed dryer is analyzed by solving the various energy balance equations. For parametric studies, numerical computations have been performed for a typical day of June for Delhi climatic conditions. The performance of this system is compared with that of a conventional cabinet dryer. It is found that the reverse flat plate absorber dryer gives the better performance.
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Keywords
Air heater, Drying, Heat transfer
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