Computer modeling and parametric study of a double effect generation absorption refrigeration cycle |
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Authors: | SC Kaushik S Chandra |
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Affiliation: | Centre of Energy Studies, Indian Institute of Technology, New Delhi 110 016, India |
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Abstract: | This paper presents as assessment based on steady-state thermodynamic analysis and computer modeling of a double effect generation absorption refrigeration cycle for solar air-conditioning. The system consists of a second effect generator between the generator and condenser of the single effect absorption cycle and two solution heat exchangers between the absorber and the two generators. A numerical computer modeling of a water LiBr system based on the solution of simultaneous heat, mass and material balance equations for various components of the system has been carried out. The influences of component temperatures and heat exchanger effectiveness on the cooling coefficients of performance and component heat transfer rates have been investigated to obtain optimum operating conditions for the proposed air-conditioning system. Further, the single and double effect absorption cycles are compared with each other as well as with an ideal absorption cycle operating over the same range of temperatures. |
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Keywords: | Double effect generation Advanced absorption cycle Solar air-conditioning Computer modeling Parametric study System design parameters |
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