Exergy quantification for a variable capacity solar absorption system
by A. Gupta; Y. Anand; S. Anand
International Journal of Exergy (IJEX), Vol. 25, No. 4, 2018

Abstract: The comparative analysis of evacuated tube collector (ETC) based double-effect vapour absorption system having different cooling capacities (i.e., 10 TR, 5TR and 2 TR) based on mathematical and numerical modelling has been carried out and the findings obtained revealed that the highest coefficient of performance (COP) is obtained for 2 TR system when compared to 5 TR and 10 TR systems for same varying conditions. The impact of evaporator along with absorber as well as condenser temperature variation on the performance of the system has also been assessed. The solution heat exchanger shows the highest physical irreversibility while absorber shows a maximum of chemical irreversibility. The 2TR, 5TR and 10TR capacity systems can control the release of 4.2, 10.5 and 21 tons/year respectively of CO2,0.504, 0.1261 and 0.252 tons/year respectively of SO2 and 0.031, 0.077 and 0.15 tons/year respectively of Nitric oxide (NO) into the atmosphere.

Online publication date: Fri, 04-May-2018

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