Experimental Characterization of the Airflow within a Car Cabin
M. Bertone (University of Cassino and Southern Lazio)
A. Sciacchitano (TU Delft - Aerodynamics)
Fausto Arpino (University of Cassino and Southern Lazio)
C. Canale (University of Cassino and Southern Lazio)
Gino Cortellessa (University of Cassino and Southern Lazio)
G. Grossi (University of Cassino and Southern Lazio)
L. Moretti (University of Cassino and Southern Lazio)
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Abstract
The ventilation flow in a car cabin has been experimentally investigated. The study has been carried out in a car commercially available, by testing one ventilation mode (panel-vent mode) at one fan strength (level 3 of the 4 available) with fresh air intake (without any re-circulation). The flow velocity at the exit of the vents has been measured using a 5-hole pressure probe. The flow velocity fields inside the car cabin have been measured by particle image velocimetry (PIV) in three longitudinal sections: (i) the car centre plane, including both the front and rear area; (ii) the driver's seat centre plane, only in the front area; (iii) the passenger's seat centre plane, only in the front area. At these longitudinal planes, the time-average flow velocity is presented and discussed. The experimental results provide new insights in the ventilation flow in a car cabin.
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