Thermodynamic Analysis and Optimization of CO2 based Transcritical Cycle
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 3
Abstract
The Montreal and Kyoto protocol are two frameworks towards a single goal of environment safety. These protocols suggest prohibiting the usage of synthetic refrigerants to prevent ozone layer depletion and control global warming as well. Such conditions encourage us to consider CO2 as a working fluid for refrigeration and air conditioning systems. In this paper, thermodynamic analysis of CO2 based transcritical cycle is presented to show the effect of various operating parameters of transcritical cycle. The operating parameters considered in this study include heat rejection pressure in gas cooler, evaporator temperature and gas cooler exit temperature. At the end, three useful correlations that yield the optimal heat rejection pressure in gas cooler, the associated maximum COP, and optimum compressor discharge temperature in the transcritical cycle are presented.
Authors and Affiliations
K. S. Rawat, V. S. Bisht, A. K. Pratihar
Keywords
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