High-speed imaging of supercavitating underwater projectiles

Hrubes, J. Dana

doi:10.1007/s003480000135

Cited by 113 publications

(35 citation statements)

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“…A fairly uniform and transparent cavity was obtained in the experiments [29] under such conditions. Here, the cavitation number is defined as…”

Section: Flow Supercavitation and Validationmentioning

confidence: 99%

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On the modified dispersion-controlled dissipative (DCD) scheme for computation of flow supercavitation

Dou

Khoo

2011

Computers & Fluids

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“…A fairly uniform and transparent cavity was obtained in the experiments [29] under such conditions. Here, the cavitation number is defined as…”

Section: Flow Supercavitation and Validationmentioning

confidence: 99%

“…The first case for validation follows the experimental work of Hrubes [29] for high-speed supercavitating underwater projectiles. The experiment was conducted in a test range submerged at 4 m depth in a fresh water tank.…”

Section: Flow Supercavitation and Validationmentioning

confidence: 99%

On the modified dispersion-controlled dissipative (DCD) scheme for computation of flow supercavitation

Dou

Khoo

2011

Computers & Fluids

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“…(4) . 이후, 고정된 물체 주변으로 유체를 흐르게 하는 회류수조 를 이용한 초공동 현상 실험이 다수 이루어졌으며, 공기가 분 사되지 않는 자연 초공동 (natural supercavitation) 현상 (4) 과 공기가 분사되는 환기 초공동(ventilated supercavitation) 현 상에 대한 실험이 회류수조에서 이루어졌다 (5,6) . 회류수조 를 이용한 자연 초공동 현상 실험에서는 주로 캐비테이터 (cavitator)의 유무 또는 형상에 따라 생성되는 초공동 현 상의 다양한 형태를 관측하여 기존 이론과 비교 연구를 진 행하였다.…”

Section: 서 론 4)unclassified

Visualization of ventilated supercavitation phenomena around a moving underwater body

Chung¹,

Cho²

2015

Journal of the Korean Society of Visualization

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Abstract.A laboratory experiment was carried out to observe and visualize ventilated supercavitation phenomena around a moving underwater body which is attached to a newly designed high-speed (Max. 20 m/s) carriage system in a wave tank. Compared to the existing many other experimental studies using cavitation tunnels, where the body is at rest and the fluid is in motion in a bounded or closed environment, the present experimental study deals with super-cavity formation in unbounded or free-surface bounded environments, where the body is in motion and the fluid is at rest. Main attention is paid to the effective visualization of the steady-state cavity formations around a moving body and, those cavity formations are reported pictorially according to the body speed, ventilated air-pressure, and with or without a cavitator.

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“…Particularly, high efficiency of great drag reduction by utilizing supercavity has been proved. Based on this technology, researchers have successively developed the underwater supercavity high speed torpedoes and supercavity projectiles [10,11].…”

Section: Introductionmentioning

confidence: 99%