Exhaust gas heat recovery is one of the interesting thermal management strategies that aim to improve the cold start of the engine and thus reduce its fuel consumption. In this work, an overview of the heat exchanger used as well as the experimental setup and the different tests will be presented first. Then numerical simulations were run to assess and valorize the exhaust gas heat recovery strategy. The application was divided into three parts: an indirect heating of the oil with the coolant as a medium fluid, a direct heating of the oil, and direct heating of the oil and the coolant. Different ideas were tested over five different driving cycles: New European driving cycle (NEDC), worldwide harmonized light duty driving test cycle (WLTC), common Artemis driving cycle (CADC) (urban and highway), and one in-house developed cycle. The simulations were performed over two ambient temperatures. Different configurations were proposed to control the engine's lubricant maximum temperature. Results concerning the temperature profiles as well as the assessment of fuel consumption were stated for each case.
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August 2018
Research-Article
Different Configurations of Exhaust Gas Heat Recovery in Internal Combustion Engine: Evaluation on Different Driving Cycles Using Numerical Simulations
Hanna Sara,
Hanna Sara
Research Engineer,
Research Laboratory in Hydrodynamics,
Energy and Atmospheric Environment (LHEEA),
Ecole Centrale de Nantes,
Nantes 44300, France
e-mail: hanna.sara@ec-nantes.fr
Research Laboratory in Hydrodynamics,
Energy and Atmospheric Environment (LHEEA),
Ecole Centrale de Nantes,
Nantes 44300, France
e-mail: hanna.sara@ec-nantes.fr
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David Chalet,
David Chalet
Professor
Research Laboratory in Hydrodynamics,
Energy and Atmospheric Environment (LHEEA),
Ecole Centrale de Nantes,
Nantes 44300, France
e-mail: david.chalet@ec-nantes.fr
Research Laboratory in Hydrodynamics,
Energy and Atmospheric Environment (LHEEA),
Ecole Centrale de Nantes,
Nantes 44300, France
e-mail: david.chalet@ec-nantes.fr
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Mickaël Cormerais
Mickaël Cormerais
Manager
Thermal Management Competence Center,
MANN+HUMMEL France,
Laval 53061, France
e-mail: mickael.cormerais@mann-hummel.com
Thermal Management Competence Center,
MANN+HUMMEL France,
Laval 53061, France
e-mail: mickael.cormerais@mann-hummel.com
Search for other works by this author on:
Hanna Sara
Research Engineer,
Research Laboratory in Hydrodynamics,
Energy and Atmospheric Environment (LHEEA),
Ecole Centrale de Nantes,
Nantes 44300, France
e-mail: hanna.sara@ec-nantes.fr
Research Laboratory in Hydrodynamics,
Energy and Atmospheric Environment (LHEEA),
Ecole Centrale de Nantes,
Nantes 44300, France
e-mail: hanna.sara@ec-nantes.fr
David Chalet
Professor
Research Laboratory in Hydrodynamics,
Energy and Atmospheric Environment (LHEEA),
Ecole Centrale de Nantes,
Nantes 44300, France
e-mail: david.chalet@ec-nantes.fr
Research Laboratory in Hydrodynamics,
Energy and Atmospheric Environment (LHEEA),
Ecole Centrale de Nantes,
Nantes 44300, France
e-mail: david.chalet@ec-nantes.fr
Mickaël Cormerais
Manager
Thermal Management Competence Center,
MANN+HUMMEL France,
Laval 53061, France
e-mail: mickael.cormerais@mann-hummel.com
Thermal Management Competence Center,
MANN+HUMMEL France,
Laval 53061, France
e-mail: mickael.cormerais@mann-hummel.com
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF THERMAL SCIENCE AND ENGINEERING APPLICATIONS. Manuscript received October 27, 2017; final manuscript received January 4, 2018; published online April 10, 2018. Assoc. Editor: Matthew Oehlschlaeger.
J. Thermal Sci. Eng. Appl. Aug 2018, 10(4): 041010 (10 pages)
Published Online: April 10, 2018
Article history
Received:
October 27, 2017
Revised:
January 4, 2018
Citation
Sara, H., Chalet, D., and Cormerais, M. (April 10, 2018). "Different Configurations of Exhaust Gas Heat Recovery in Internal Combustion Engine: Evaluation on Different Driving Cycles Using Numerical Simulations." ASME. J. Thermal Sci. Eng. Appl. August 2018; 10(4): 041010. https://doi.org/10.1115/1.4039304
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