Investigation into a new simple DBD-plasma actuation model

Bouwhuis, T. (2016) Investigation into a new simple DBD-plasma actuation model.

Abstract:Active flow control using dielectric barrier discharge plasma actuators has been studied intensively, with the aim of improving performance and/or efficiency of a wide variety of fluid machinery. Much experimental and numerical research is focused on the relation between the operational parameters of the plasma actuator and the performance of the plasma actuator. However, the dominant parameters of the body force field, induced by the plasma actuator, which determine the induced flow have not been identified so far. In this study the dominant factors of a body force field, representing a plasma actuator, are identified by means of a parametric numerical study. The force field is Gaussian distributed. Two dimensional flow simulations have been performed for a plasma actuator operating in quiescent air. Because of the absence of a free stream the induced velocity is normalized with a proposed reference velocity, based on parameters of the body force field. When normalizing the maximum induced velocity with the presented reference velocity, the data collapses into one, Reynolds number-depended curve. For low Reynolds number, the dominant parameter is the total induced momentum per second. For high Reynolds number, the dominant parameters are: the total induced momentum per second and the characteristic width of the body force field distribution.
Item Type:Internship Report (Master)
JAXA, Japan
Faculty:ET: Engineering Technology
Subject:52 mechanical engineering
Programme:Mechanical Engineering MSc (60439)
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