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http://dx.doi.org/10.6108/KSPE.2019.23.4.010

Fluidic Thrust Vector Control Using Shock Wave Concept  

Wu, Kexin (Department of Mechanical Engineering, Andong National University)
Kim, Heuy Dong (Department of Mechanical Engineering, Andong National University)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.23, no.4, 2019 , pp. 10-20 More about this Journal
Abstract
Recently, fluidic thrust vector control has become a core technique to control multifarious air vehicles, such as supersonic aircraft and modern rockets. Fluidic thrust vector control using the shock vector concept has many advantages for achieving great vectoring performance, such as fast vectoring response, simple structure, and low weight. In this paper, computational fluid dynamics methods are used to study a three-dimensional rectangular supersonic nozzle with a slot injector. To evaluate the reliability and stability of computational methodology, the numerical results were validated with experimental data. The pressure distributions along the upper and lower nozzle walls in the symmetry plane showed an excellent match with the test results. Several numerical simulations were performed based on the shear stress transport(SST) $k-{\omega}$ turbulence model. The effect of the momentum flux ratio was investigated thoroughly, and the performance variations have been clearly illustrated.
Keywords
Fluidic Thrust Vector Control; Supersonic Flow; Shock Wave;
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