Thermal Efficiency Simulation of Working Fluids Performance on Small Scale Organic Rankine Cycle (ORC) with Biomass Energy | Zendy

Lilis Sucahyo | Zendy; Muhamad Yulianto | Zendy; Edy Hartulistiyoso | Zendy; Irham Faza | Zendy

Open Access

Thermal Efficiency Simulation of Working Fluids Performance on Small Scale Organic Rankine Cycle (ORC) with Biomass Energy

Author(s) -

Lilis Sucahyo,

Muhamad Yulianto,

Edy Hartulistiyoso,

Irham Faza

Publication year - 2020

Publication title -

iop conference series earth and environmental science

Language(s) - English

Resource type - Journals

eISSN - 1755-1307

pISSN - 1755-1315

DOI - 10.1088/1755-1315/542/1/012039

Subject(s) - organic rankine cycle , working fluid , rankine cycle , degree rankine , turbine , process engineering , environmental science , thermal efficiency , thermal , nuclear engineering , thermodynamics , mechanical engineering , waste heat , engineering , chemistry , power (physics) , heat exchanger , physics , organic chemistry , combustion

This paper presents the comparative analysis of working fluids R-134a, R-414B, R-404A, and R-407C on small scale Organic Rankine Cycle (ORC) with biomass of coconut shell as heat energy. Simulation of the close system using Cycle Tempo software and compared with mathematical calculation models using Engineering Equation Solver (EES) software. The property of working fluids is obtained by using Reference Fluid Properties (REFPROP). The best result performance of ORC was shown by working fluid R-404A with thermal efficiency ranges between 7.48-7.53% and electric power output range between 0.074-0.091 kW. This condition operated on the turbine inlet temperature at 60 °C, difference turbine working temperature of 15 °C, condensing temperature of 25 °C, and water boiler mass flow rate of 3 lpm. A comparison of thermal efficiency simulated by Cycles Tempo and EES has an average coefficient of determination (R 2 ) is 99.20%.

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