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Energies 2014, 7(8), 5273-5290; doi:10.3390/en7085273

Comparison and Impact of Waste Heat Recovery Technologies on Passenger Car Fuel Consumption in a Normalized Driving Cycle

PSA Peugeot Citroën, 18 rue des Fauvelles, 92256 La Garenne-Colombes Cedex, France
Energy Systems, University of Liège, 7, chemins des chevreuils, Bât. B49 (P33), 4000 Liège, Belgium
Institut Pprime, University of Poitiers, boulevard Marie et Pierre Curie, Téléport 2, BP 30179, 86962 Futuroscope Chasseneuil Cedex, France
Author to whom correspondence should be addressed.
Received: 19 June 2014 / Revised: 19 July 2014 / Accepted: 8 August 2014 / Published: 14 August 2014
(This article belongs to the Special Issue Waste Heat Recovery—Strategy and Practice)
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The purpose of this article was to compare different waste heat recovery system technologies designed for automotive applications. A complete literature review is done and results in two comparative graphs. In the second part, simulation models are built and calibrated in order to assess the fuel consumption reduction that can be achieved on a real driving cycle. The strength of this article is that the models are calibrated using actual data. Finally, those simulations results are analyzed and the Rankine cycle and turbocompound are the two most profitable solutions. However the simulations of the turbocompound shows its limitations because the impact on the exhaust pressure drop is not taken into account in the assessment of the car fuel consumption. Fuel reduction of up to 6% could be achieved, depending on the driving cycle and the waste heat recovery technology. View Full-Text
Keywords: passenger car; rankine cycle; turbocompound; thermoelectricity; driving cycle passenger car; rankine cycle; turbocompound; thermoelectricity; driving cycle

This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Legros, A.; Guillaume, L.; Diny, M.; Zaïdi, H.; Lemort, V. Comparison and Impact of Waste Heat Recovery Technologies on Passenger Car Fuel Consumption in a Normalized Driving Cycle. Energies 2014, 7, 5273-5290.

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