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로켓추진을 이용한 고속 수중운동체의 수중 주행성능 측정 결과(Ⅱ)
윤현걸(Hyun-Gull Yoon),이효남(Hoy-Nam Lee),차정민(Jung-Min Cha),임설(Seol Lim),서석훈(Suhk-Hoon Suh) 한국추진공학회 2018 한국추진공학회지 Vol.22 No.4
A natural cavitation-type high-speed underwater vehicle with solid rocket motor is tested, and its speed and running distance are measured. The outputs from pressure sensors on the surface of the vehicle reveal a pressure-time history reflecting the development of supercavitation. Underwater cameras installed on the wall of the test pool record the entire process from the onset of supercavitation to its full development. CNU-SuperCT, based on two-dimensional inviscid theoretical analysis, is used to simulate test results. Considering CNU-SuperCT does not include the control fins of the vehicle, simulation results agree with test results very well. Additionally, pictures from underwater cameras support the test results.