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RESEARCH PAPERS

Closed-Type Solar Regenerator: Analysis and Simulation

[+] Author and Article Information
P. Gandhidasan

Mechanical Engineering Department, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia

J. Energy Resour. Technol 117(1), 58-61 (Mar 01, 1995) (4 pages) doi:10.1115/1.2835321 History: Received January 10, 1994; Revised December 01, 1994; Online January 22, 2008

Abstract

Due to many potential problems associated with an open regeneration system in application to reconcentration with liquid desiccants, a closed-type solar regenerator has been simulated and analyzed in this paper. It consists of a flat, blackened, tilted surface with a transparent glazing as a covering. The weak desiccant to be concentrated flows as a thin film over the absorber and the water evaporating from the desiccant due to absorption of solar energy is condensed on the underside of the glass cover. A theoretical model, which includes the variation of rate of evaporation of water along the flow length of the regenerator, has been used to examine the thermal performance of the regenerator. Changes in thermal performance are reported in terms of insolation and the mass of water evaporated from the desiccant for different operating parameters.

Copyright © 1995 by The American Society of Mechanical Engineers
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