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http://dx.doi.org/10.5139/JKSAS.2021.49.3.167

Belly Sting Model Support Interference Effect of NASA Common Research Model at Low Speed Wind Tunnel  

Cha, Kyunghwan (School of Mechanical Engineering, Chungnam National University)
Kim, Namgyun (Agency for Defense Development)
Ko, Sungho (School of Mechanical Engineering, Chungnam National University)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.49, no.3, 2021 , pp. 167-174 More about this Journal
Abstract
Computational Fluid Dynamics (CFD) was performed under low-speed wind tunnel test conditions using a 29.7% scale model of the NASA common research model. A wind tunnel test was conducted to measure the aerodynamic coefficient of the CRM with Belly sting model support configuration at a low Reynolds number of 0.3×106 and it was compared with the aerodynamic coefficient of CFD analysis. In order to verify the validation of the analysis, a computational analysis under the conditions of the advance research was performed and compared. The interference effect of the Belly sting model support affected not only the fuselage but also the main and tail wings.
Keywords
Common Research Model; Correction Method; Model Support; Interference Effect; Belly Sting Model Support; Drag Prediction Workshop;
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