Autors: Punov, P. B., Milkov, N. V., Danel, Q., Perilhon, C., Podevin, P., Evtimov, T. P.
Title: Optimization of automotive Rankine cycle waste heat recovery under various engine operating condition
Keywords: Engine, Rankine cycle, Waste heat recovery, Modeling

Abstract: An optimization study of the Rankine cycle as a function of diesel engine operating mode is presented. The Rankine cycle here, is studied as a waste heat recovery system which uses the engine exhaust gases as heat source. The engine exhaust gases parameters (temperature, mass flow and composition) were defined by means of numerical simulation in advanced simulation software AVL Boost. Previously, the engine simulation model was validated and the Vibe function parameters were defined as a function of engine load. The Rankine cycle output power and efficiency was numerically estimated by means of a simulation code in Python(x,y). This code includes discretized heat exchanger model and simplified model of the pump and the expander based on their isentropic efficiency. The Rankine cycle simulation revealed the optimum value of working fluid mass flow and evaporation pressure according to the heat source. Thus the optimal Rankine cycle performance was obtained over the engine operating map

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Issue

TMREES 2016-Cnam, vol. 1814, 2017, France, AIP Conference Proceedings, ISSN 0094-243X

Copyright AIP Publishing LLC

Цитирания (Citation/s):
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Вид: публикация в международен форум, публикация в реферирано издание, индексирана в Scopus и Web of Science