Transient performance evaluation of waste heat recovery rankine cycle based system for heavy duty trucks

Vincent Grelet, Thomas Reiche, Vincent Lemort, Madiha Nadri and Pascal Dufour

Applied Energy, 2016, vol. 165, issue C, 878-892

Abstract: The study presented in this paper aims to evaluate the transient performance of a waste heat recovery Rankine cycle based system for a heavy duty truck and compare it to steady state evaluation. Assuming some conditions to hold, simple thermodynamic simulations are carried out for the comparison of several fluids. Then a detailed first principle based model is also presented. Last part is focused on the Rankine cycle arrangement choice by means of model based evaluation of fuel economy for each concept where the fuels savings are computed using two methodologies. Fluid choice and concept optimization are conducted taking into account integration constraints (heat rejection, packaging, …). This paper shows the importance of the modeling phase when designing Rankine cycle based heat recovery systems and yields a better understanding when it comes to a vehicle integration of a Rankine cycle in a truck.

Keywords: Waste heat recovery system; Modeling; Thermodynamic; Rankine cycle; Heavy duty trucks (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (20)

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DOI: 10.1016/j.apenergy.2015.11.004

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