Rеvuе des Energies Renouvelables
Volume 18, Numéro 1, Pages 39-48
2015-03-31
Study Of The Absorption Refrigerating Cycle, Nh3-h2o Coupled With The Solar Absorption Heat Transformer, H2o-libr By Solar Data From The City Of Oujda (morocco)
Authors : Rhayt F. . Dezairi A. . Ouaskit S. . Loulijat H. . Zerradi H. . Mizani S. .
Abstract
A solar refrigerator is made of a solar collector and a refrigeration system. This paper concerns the study of a two-stage vapour absorption cycle (heat transformer and refrigerating cycle) employing the refrigerant absorbent combinations of H2O-LiBr and NH3-H2O successively. The system consists of coupling the previous absorption cycle so that the first-stage absorber produces heating water to circulate in the generator of the second stage. It is found that the system can be operated at lower hot source temperatures and, thus, it can be supplied either from flat plate collectors.
Keywords
Absorption cycle, Solar refrigeration, COP, Heat transformer, Flat plate collector.
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