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Thermodynamic Analysis of Solar Organic Rankine Cycle by using Working Fluid for Low Temperature Application
Lokanath M1, Santhosh Kumar B2, Kiran Avns3, Saleemuddin S M4
1Lokanath M, Assistant Professor in Mechanical Engineering at Annamacharya Institute of Technology and Sciences, Rajampeta, Kadapa Dist, AP, India-516126.
2Santhosh Kumar B, Assistant Professor in Mechanical Engineering at Annamachaya Institute of Technology and Sciences, Rajampeta,  Kadapa Dist ,AP, India-516126.
3Kiran Avns, Assistant Professor in AITS, Rajampet, Kadapa Dist, AP, India-51612 6.
4Saleemuddin S M, Assistant Professor, Dept of Mechanical Engineering, AITS, Rajampet, AP-516126.
Manuscript received on 07 April 2019 | Revised Manuscript received on 16 May 2019 | Manuscript published on 30 May 2019 | PP: 1141-1145 | Volume-8 Issue-1, May 2019 | Retrieval Number: A3076058119/19©BEIESP
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: The increasing energy need due to industrial expansion and population size led the human race for usage of major conventional energy sources like oil, coal, gas. But these resources trouble the environment leading to potential problems like pollution, global warming etc. Thus, in order to overcome the burning issues, many alternative energy sources are developed such as wind, hydro, solar, tidal, geothermal, biofuel, nuclear etc. are used for power generation. Among these the solar energy is plentifully available resource and can be employed to organic rankine cycle technology for power generation. The main aim of this research work is to develop a novel power generating system by using alternative energy resource i.e. solar energy. The work focussed on simulating the power generation of producing unit by employing solar organic rankine cycle and working fluids R-245fa, R-227ea & R-245fa/ R-227ea mixture. The Organic Rankine cycle efficiency mainly depend on the Selection of working liquid, working condition has extraordinary impact, and its vitality proficiency and effect on nature. The performance parameters like Solar Organic Efficiency, Solar Collector Area, second law efficiency, Turbine volume expansion ratio etc. are studied. It is noticed that organic efficiency of refrigerant mixture R245fa/R227ea is 4% more compared to pure fluid R227ea at turbine outlet temperature of 353K.The Volume expansion ratio of the turbine comparing to refrigerant mixture is reduced by 25.4% & 30% compared to pure refrigerant R227ea and R245fa.
Keywords: Organic Rankine Cycle, Working Fluids, Waste Heat Recovery, Low Temperature Application, Solar Collectors.
Scope of the Article: Software Analysis, Design and Modelling