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Nowadays, car manufacturer work hardly on reducing energy consumption and the CO2 emission responsible of the global warming. The goal of this work is to increase the efficiency of the fan cooling systems in order to reduce fuel consumption. To achieve this purpose, it is necessary to have a better understanding of the internal flow and particularly the different losses location. The sweep...
This study concerns the unsteady flows in turbomachines in general, and the aeroacoustics of fans in particular. The principal objective of this paper is the determination of the influence of the upstream environment on the acoustic and aerodynamic behavior of axial fans. After analysis of the various sources of noise present in turbomachines, interest is focused on the influence of the disturbances...
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