Abstract
In the present work, the potential usage of blow down water from National Thermal Power Corporation Limited, Badarpur is investigated in the running of double effect H2O-Li-Br vapor absorption refrigeration system. So mass of blow down water available is computed. The blow down water is at 342.45°C which can be used for process heating.So that after process heating water enters high pressure generator at 155°C and transfer heat in such a way that at exit of high pressure generator water temperature is 140°C. The heat recovered is used as a source of energy in high pressure generator of vapor absorption refrigeration system. Results of parametric analysis show that coefficient of performance increases with increase in evaporator temperature and low pressure generator temperature; whereas, coefficient of performance decreases with increase in absorber temperature, condenser temperature and high pressure generator temperature. Parametric analysis also shows that low pressure generator temperature is most significant factor on which coefficient of performance depends. Exergy analysis of individual components of vapor absorption refrigeration system shows exergy destruction is maximum in absorber (26.17 kW) and least in high pressure generator (2.377 kW).The given model is validated with the research work carried out by Kaushik and Arora.
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