Drag Reduction Using Dielectric Barrier Discharge Plasma Actutor On Truck

S.Thanga Raja, Lingeshwaran (2018) Drag Reduction Using Dielectric Barrier Discharge Plasma Actutor On Truck. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

An experimental investigation has been undertaken in a wind tunnel to study the drag reduction capability of Dielectric Barrier Discharge plasma actuator on truck. Plasma is the fourth state of matter whereby a medium, such as air, is ionized creating a system of electrons, ions and neutral particles. Dielectric Barrier Discharge plasma actuator have recently become a topic for flow control due to their ability to exert a body force near the wall of an aerodynamic object which can create or alter a flow. The ultimate goal of this research is to study about DBD plasma actuator and evaluate the drag reduction as well as the performance of plasma actuator when placed on few different positions around the truck. To be specific, three objectives were determined to be achieved by the end of this study. Particularly, the study presented strives to prove the drag force acting on the trailing edge of the truck is the highest among the few positions that were tested. On the whole, this study shows the significant improvement done by Dielectric Barrier Discharge plasma actuator on the overall drag force acting at few locations around the truck. Other than that, the reduction of drag coefficient when there is Dielectric Barrier Discharge plasma actuator fixed on a particular position around a truck is also discussed throughout this paper. All the gathered experimental results and mathematically calculated experimental data were presented well in the fourth chapter. Generally, the results obtained from this experimental investigation should correlate with the theoretical understanding gained from all the relevant previous studies.

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