Analysis of Hybrid Systems using Magnetized Nanofluids in a PV-Thermal-Driven Organic Rankine Cycle with Heat Pump

International Journal of Thermal Engineering

© 2024 by SSRG - IJTE Journal

Volume 10 Issue 2

Year of Publication : 2024

Authors : S. Sami, Z. Ayub

10.14445/23950250/IJTE-V10I2P101

How to Cite?

S. Sami, Z. Ayub, "Analysis of Hybrid Systems using Magnetized Nanofluids in a PV-Thermal-Driven Organic Rankine Cycle with Heat Pump," SSRG International Journal of Thermal Engineering, vol. 10,  no. 2, pp. 1-11, 2024. Crossref, https://doi.org/10.14445/23950250/IJTE-V10I2P101

Abstract:

Analysis of a Hybrid System using Magnetized Nanofluids composed of a PV Thermal-driven Organic Rankine Cycle (ORC) and Heat pump has been presented. This study was carried out to investigate the enhancement effect of using Magnetized nanofluids Al2O3, CuO, Fe3O4, and SiO2 on the performance of the hybrid system composed of PV Thermal, ORC, and heat pump. A quaternary refrigerant mixture used in the ORC cycle to enhance the ORC efficiency is an environmentally sound refrigerant mixture composed of R152a, R245fa, R125, and R1234fy. It was shown that the efficiency of the hybrid system in question has been significantly dependent upon not only the solar radiation but also the nanofluids concentration and the type of nanofluid as well as the fluid temperature driving the ORC.
This study demonstrates that the higher the magnetic field force in Gauss, the higher the thermal energy supplied to the waste heat boiler, which consequently results in higher power generated at the ORC. Also, the results showed that CuO outperforms the other nanofluids and water across the different magnetic fields in this investigation. It was observed that magnetized nanofluid CuO has the highest ORC efficiency and the highest hybrid system efficiency compared to other nanofluids under study, including water as the heat transfer fluid. The results observed in this paper on the hybrid system’s efficiency and PV-Thermal solar panel efficiency are comparable to what has been published in the literature.

Keywords:

PV-thermal solar collector, Nanofluids, Organic Rankine Cycle, Heat pump, Modeling, Simulation.

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