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Thermodynamic cycles using binary mixtures as working fluids offer a high poten-tial for utilization of low-temperature heat sources. This paper presents a thermodynamic perfor-mance analysis of Goswami cycle which was recently suggested to produce power and cooling simultaneously and combines the Rankine cycle and absorption refrigeration cycle by using ammonia- water mixture as working fluid. Effects of the system parameters such as concentration of ammonia and turbine inlet pressure on the system are parametrically investigated. Results show that refrige-ration capacity or thermal efficiency has an optimum value with respect to ammonia concentration as well as to turbine inlet pressure.Keywords:Low temperature source( ), Ammonia-water mixture(- ), Rankine cycle(), Absorption refrigeration(), Cogeneration() †Corresponding author Tel.: +82-54-478-7292; fax: +82-54-478-7319 E-mail address: khkim@kumoh.ac.kr       [kJ/kg]  [kg/kg]

Thermal Analysis of a Combined Absorption Cycle of Cogeneration of Power and Cooling for Use of Low Temperature Source