期刊
FLOW TURBULENCE AND COMBUSTION
卷 100, 期 4, 页码 1101-1109出版社
SPRINGER
DOI: 10.1007/s10494-018-9891-9
关键词
Vehicle aerodynamics; Separation control; Plasma actuation
资金
- Swedish Energy Agency within the project Flow Research on Active and Novel Control Efficiency (FRANCE) [34186-1]
An experimental study of the effect of Dielectric Barrier Discharge plasma actuators on the flow separation on the A-pillar of a modern truck under cross-wind conditions has been carried out. The experiments were done in a wind tunnel with a 1:6 scale model of a tractor-trailer combination. The actuators were used as vortex generators positioned on the A-pillar on the leeward side of the tractor and the drag force was measured with a wind-tunnel balance. The results show that the effect at the largest yaw angle (9 degrees) can give a drag reduction of about 20% and that it results in a net power reduction. At lower yaw angles the reduction was smaller. The present results were obtained at a lower Reynolds number and a lower speed than for real driving conditions so it is still not yet confirmed if a similar positive result can be obtained in full scale.
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