Studi Simulasi Pengaruh Temperatur Evaporasi Terhadap Kinerja Energi Siklus Rankine Organik dengan Fluida Kerja R245FA, R515A, dan R1233ZD
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Matheus Magnus Dwinanto(1*)
Universitas Nusa Cendana
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Rima Nindia Selan(2)
Program Studi Teknik Mesin, Fakultas Sains dan Teknik Universitas Nusa Cendana
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Elshaday Y. Pala(3)
Program Studi Teknik Mesin, Fakultas Sains dan Teknik Universitas Nusa Cendana
(*) Corresponding Author
Abstrak
Nowadays, the organic Rankine cycle has become an alternative solution for environmentally friendly electricity generation because it can use low-grade heat sources or low-power heat sources. However, the use of more environmentally friendly organic working fluids as a replacement for R245FA has become a demand in the future. Therefore, this study aims to analyze the effect of evaporation temperature on the energy performance of a standard organic Rankine cycle with working fluids R245FA, R515A, and R1233ZD. Thermodynamic performance is based on evaporator temperature variations using Genetron Properties software. The important quantities analyzed are mass flow rate, pumping power, heat absorption, heat release, turbine pressure ratio, and thermal efficiency. The research results show that increasing the evaporation temperature has a significant impact on increasing pumping power consumption, pressure ratio in the turbine, and system thermal efficiency. However, greater pumping power is required to circulate R515A compared to circulating R245FA and R1233ZD. The ORC system that uses R1233ZD has the highest thermal efficiency compared to R245FA and R515A so that in the future this working fluid is very suitable to replace R245FA.
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Referensi
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