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J. KIMS Technol > Volume 20(3); 2017 > Article
Journal of the Korea Institute of Military Science and Technology 2017;20(3):345-351.
DOI: https://doi.org/10.9766/KIMST.2017.20.3.345   
Wind Tunnel Test for the Inflation Characteristics of the Korean Low Cost Low Altitude Aerial Delivery System
Seung Pil Kim, Insik Jung, Kybeom Kwon, Younseok Choi, Hyoungseog Chung
Department of Aerospace Engineering, Republic of Korea Air Force Academy
한국형 저비용 저고도 공중보급 체계용 낙하산 전개 특성 풍동시험
김승필, 정인식, 권기범, 최윤석, 정형석
공군사관학교 항공우주공학과
Abstract
A wind tunnel test for the scaled parachute models was performed to verify aerodynamic characteristics for practical usage of Korean low cost low altitude aerial delivery system. The cruciform shaped cargo parachute models for heavy and light weight were ejected into wind tunnel test section; and the drag forces acting on the models in steady condition were measured in accordance with velocity. Also, the maximum opening forces during inflation were obtained and captured by a high speed camera to analyze the inflation characteristics and evaluate the design of the low cost aerial delivery system. The results showed a reliable stability and met the design requirement of delivery operation system for R.O.K Air Force.
Key Words: Korean Low Cost Low Altitude Aerial Delivery System, Parachute, Drag Force, Inflation Characteristics
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