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International Journal of Automotive Technology > Volume 21(3); 2020 > Article
International Journal of Automotive Technology 2020;21(3): 633-640.
doi: https://doi.org/10.1007/s12239-020-0060-5
EFFECT OF UNDERHOOD ARCHITECTURE ON AERODYNAMIC DRAG – SUGGESTION OF NEW CONCEPTS FOR FUEL CONSUMPTION REDUCTION
Jalal Faraj1, Elias Harika2, Mohamed Ramadan1, Samer Ali2, Fabien Harambat3, Mahmoud Khaled1, 4
1International University of Beirut BIU
2Lebanese International University LIU
3PSA Peugeot Citroën
4Paris Diderot University
PDF Links Corresponding Author.  Jalal Faraj , Email. jalal.faraj@liu.edu.lb
ABSTRACT
The present work concerns an experimental study of the aerodynamic drag on a simplified vehicle body in relation to the underhood architecture, especially the engine block and cooling module positions. To proceed, measurements are carried out in wind tunnel for different geometric configurations. The simplified body includes a real cooling module and a simplified engine block. The measured coefficients concern the aerodynamic drag, the cooling drag and the lift in relation. It was shown that the aerodynamic drag can be reduced up to 1.4 % when the spacing in the vehicle length between the engine block and cooling module is well regulated. According to the results obtained, it was noticed that new configurations could reduce the fuel consumption by up to 0.177 L/100 kms.
Key Words: Automotive, Aerodynamic drag, Experimental study, Vehicle simplified body, Fuel consumption
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