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http://dx.doi.org/10.5139/JKSAS.2018.46.10.791

High-Altitude Environment Simulation of Space Launch Vehicle Including a Thruster Module  

Lee, Sungmin (Korea Advanced Institute of Science and Technology)
Oh, Bum-Seok (Korea Aerospace Research Institute)
Kim, YoungJun (Korea Aerospace Research Institute)
Park, Gisu (Korea Advanced Institute of Science and Technology)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.46, no.10, 2018 , pp. 791-797 More about this Journal
Abstract
In this work, the high-altitude environment simulation study was carried out at an altitude of 65 km exceeding Mach number of 6 after the launch of Korean Space Launch Vehicle using a shock tunnel. To minimize the flow disturbance due to the strut support of test model as much as possible, a few different types of strut configurations were considered. Using the configuration with minimum disturbance, the high-altitude environment simulation experiment including a propulsion system with a single-plume, was conducted. From the thruster test through flow visualization, not only a shockwave pattern, but a general flow-field pattern from the mutual interaction between the exhaust plume and the free-stream undisturbed flow, was experimentally observed. The comparison with the computation fluid dynamic(CFD) results, showed a good agreement in the forebody whereas in the afterbody and the nozzle the disagreement was about ${\pm}7%$ due to unwanted shockwave formation emanated from the nozzle-exit.
Keywords
Propulsion System; High-Altitude Environment Simulation; Strut Support; Shock-Free;
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Times Cited By KSCI : 1  (Citation Analysis)
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