Abstract
Integration of an organic Rankine cycle-vapor compression refrigeration system with an N series fully covered photovoltaic thermal compound parabolic collector is done in this study. The system is designed to produce electrical power and cooling effect simultaneously. The exergy efficiency (ηex), coefficient of performance (COPs), and the net mitigation of carbon dioxide per solar collector unit area (mCO2) have been selected as the performance assessment parameters based on energy, exergy, and environmental criteria. Moreover, the effect of expander inlet temperature (T7), packing factor (λcl), and the number of collectors (N) on the energy, exergy, and environmental performance of the system have been studied. Results show that the system's energy (COPs) and exergy (ηex) performance is maximum at an expander inlet temperature of 423 K and packing factor of 0.25. The corresponding maximum values of COPs and ηex are 1.81 and 5.8 %, respectively. However, the system has maximum environmental performance (mCO2 = 1999 g m−2) at the expander inlet temperature of 373 K and packing factor of 0.89. ηex and mCO2 are increased to 17.4 % and 8546 g m−2, respectively, as the number of collectors increased from 1 to 5.
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