Frontiers in Aerospace Science

Frontiers in Aerospace Science

Volume: 2

High Order Large Eddy Simulation for Shock-Boundary Layer Interaction Control by a Micro-ramp Vortex Generator

Indexed in: EBSCO.

This volume presents an implicitly implemented large eddy simulation (ILES) by using the fifth order bandwidth-optimized WENO scheme. The chosen method is applied to make comprehensive studies on ...
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Mechanism of MVG for SBLI Control

Pp. 237-251 (15)

Chaoqun Liu, Qin Li, Yonghua Yan, Yong Yang, Guang Yang and Xiangrui Dong

Abstract

In this chapter, a new mechanism of SBLI control by MVG is presented. Traditionally, people consider the reduction of shock-induced separation is caused by streamwise vortex which mixes the boundary layer flow and makes the velocity profile to be more able to withstand the flow separation. The new mechanism shows the spanwise vortex rings are critical which are quickly moving and fast rotating to destroy or undermine the shock and ease up the shock-induced flow separation significantly. Potentially, this study could contribute to some technology revolution in control of SBLI, flow separation and interference reduction.

Keywords:

Flow control, Flow separation, Noise reduction, Pressure fluctuation, Shock, Shock and vortex interaction, Vortex ring, Vorticity.

Affiliation:

Center for Numerical Simulation and Modeling, Department of Mathematics, University of Texas at Arlington, Arlington, Texas 76019, TX, USA.