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All Journal Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains
Arifful Rahman
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Engineering

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Unjuk Kerja Organic Rankine Cycle Dengan Penyerap Energi Matahari Type Concave Plate Collector Pada Temperatur Sumber Panas 75 Oc Arifful Rahman; Awaludin Martin
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 7 (2020): Edisi 2 Juli s/d Desember 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

This study discusses the experimental study of the efficiency of the Organic Rankine Cycle (ORC) system with concave plate collectors as a heat source system. ORC is a conventional rankine cycle modification, where the ORC fluid works is an refrigerant or organic fluid which has a low boiling point, so that to produce steam only requires a low temperature. A good working fluid is R134a obtained from the reference of previous studies. Concave plate collector is heat source system at electricity generation system that is concentrated using the sun as a source of heat, so it can be said that this system uses environmentally friendly renewable energy sources. Experiments were carried out by varying the heat source temperature of 75 ⁰C by keeping the pump output pressure at 10 bar and comparing the test results between the use of a water heater and a combined water heater with a concave plate collector. From the experimental results obtained a maximum efficiency of 0.7% on the variation of heat source 75 ⁰C with a turbine inlet pressure of 10.1 bar and turbine intake temperature of 46.9 ⁰C with ORC power of 170.4 Watt. The biggest savings or energy supply for solar collectors is 68.33% at solar collector temperatures of 56.8 ° C with average temperature of heat sources of 70.38 ° C.Keyword : Organic Rankine Cycle, R134a, Solar collector, Renewable Energy.
Co-Authors Awaludin Martin