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http://dx.doi.org/10.5139/JKSAS.2021.49.8.609

Validity of the Concept of the Unit Grid Fin by 3-D Calculation of Supersonic Grid Fin Flows  

Lee, Hyeong Jin (Dept. of Aerospace and Mechanical Engineering, Graduate School, Korea Aerospace University)
Ko, Sang Ho (School of Aerospace and Mechanical Engineering, Korea Aerospace University)
Kang, Tae Gon (School of Aerospace and Mechanical Engineering, Korea Aerospace University)
Lee, Yeol (School of Aerospace and Mechanical Engineering, Korea Aerospace University)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.49, no.8, 2021 , pp. 609-615 More about this Journal
Abstract
Three-dimensional numerical study was carried out to evaluate the aerodynamic characteristics of the supersonic grid fins installed on SpaceX Falcon 9. The present three-dimensional flow results were compared to the results by the concept of the unit grid fin previously introduced for more efficient and simpler flow calculations, and the validity of the approach of the unit grid fin were evaluated. The aerodynamic characteristics in supersonic flights Mach 2.8 of SpaceX Falcon 9 with various angle of attacks were also obtained.
Keywords
Supersonic; Grid Fin; Unit Grid Fin; Shock Wave; CFD;
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  • Reference
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