Transient Simulation and Exergy Analysis of Heat-Pump Systems Integrated with Solar Compound Parabolic Collector

Document Type : Research Article


1 Department of Mechanical Engineering, Dezful Branch, Islamic Azad University, Dezful, I.R. IRAN

2 Renewable Energies and Environmental Department, Faculty of New Science and Technologies, University of Tehran, Tehran, I.R. IRAN

3 Mechanical Engineering Department, Faculty of Engineering, Lorestan University, Khorramabad, I.R. IRAN


In high-exergy demand companies like piping companies, using renewable energies can be very useful in Manning the needed energy. Exergy analysis in thermal energy systems is very important, considering the need to determine the location and magnitude of the inefficiency of the system equipment. Utilizing annual meteorological data for Dezful, located in southwest Iran, this study considered the inefficiency of the solar water heating system. As an innovation, a complete analysis of the inefficiency of the equipment of the solar hot water production cycle was considered and the methods of reducing the inefficiency of the equipment were assessed. Energy consumption quality was calculated based on two parameters of exergy efficiency and exergy destruction using the coding capability of MATLAB software, after embedding the modeling in Aspen HYSYS software. While solar collector with 15701.8 kW and Pump1 with 0.51 kW had the highest and lowest exergy destruction, Heat Exchanger 2 with 99.99% and Pump1 with 75.51% had the highest and lowest exergy efficiency. Among the rotating equipment that consumes electricity, Compressor 2 had the most exgegy degradation with 223.1 kW. Also, the results of investigating the effect of ambient temperature showed that the solar collector had the highest and lowest exergy destruction in the month of JAN with 16125.7 kilowatts and in the month of July with 14927.6 kilowatts, and compressor 2 also had the highest exergy destruction in the month of Jan with 216.11 kilowatts and in the month of July with 235.76 kilowatts. and had the least exergy destruction.


Main Subjects

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