Autors: Punov, P. B.
Title: Comparative analysis of Rankine cycle and Organic rankine cycle for waste heat recovery in internal combustion engine
Keywords: waste heat recovery, Rankine cycle, organic Rankine cycle, diesel engine, exhaust gases

Abstract: This paper presents numerical analysis of waste heat recovery from engine exhaust gases by means of Rankine cycle and Organic Rankine cycle. Both technologies are widely studied in combustion engines but there are still not solid statements which should be chosen. The heat source in this study is the exhaust system of a modern diesel engine, developed for passenger car. Firstly, the engine was experimentally studied at stationary operating mode. Thus, exhaust gas parameters such as: mass flow rate, temperature and enthalpy were obtained at seventeen operating points which correspond to real operating mode of vehicle in NEDC. A simulation model of waste heat recovery system was developed. Based on that model, a numerical code was created in Python as CoolProp open-source platform was used to determine working fluid parameters. Lastly, Rankine cycle and Organic Rankine Cycle output power and efficiency were studied.


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International Scientific Journal Machines, Technologies, Materials, vol. 10, issue 3, pp. 14-17, 2016, Bulgaria, Scientific Technical Union of Mechanical Engineering Industry 4.0, ISSN 1313-0226

Copyright Scientific Technical Union of Mechanical Engineering Industry 4.0

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