Experimental study on oblique water-exit of slender bodies

Zhao Jiaolong; Guo Baisen; Sun Longquan; Yao Xiongliang

doi:10.11883/1001-1455(2016)01-0113-08

Volume 36 Issue 1

Oct. 2018

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Zhao Jiaolong, Guo Baisen, Sun Longquan, Yao Xiongliang. Experimental study on oblique water-exit of slender bodies[J]. Explosion And Shock Waves, 2016, 36(1): 113-120. doi: 10.11883/1001-1455(2016)01-0113-08

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Zhao Jiaolong, Guo Baisen, Sun Longquan, Yao Xiongliang. Experimental study on oblique water-exit of slender bodies[J]. Explosion And Shock Waves, 2016, 36(1): 113-120. doi: 10.11883/1001-1455(2016)01-0113-08

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Experimental study on oblique water-exit of slender bodies

doi: 10.11883/1001-1455(2016)01-0113-08

1.
College of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, Heilongjiang, China
2.
Beijing Institute of Astronautics System Engineering, Beijing 100076, China

Received Date: 2014-06-09
Rev Recd Date: 2014-09-03
Publish Date: 2016-01-25

Abstract

Abstract

Experimental studies of the oblique water-exit of slender bodies are conducted using high-speed camera technology to capture the whole process for exploring the mechanism of the formation, development and collapse of the cavity and examining the factors that affect the cavity evolution. By comparing the process of the vertical and oblique water-exit of slender bodies, this paper analyzes how the initial inclination angle bear on the cavity evolution and the new features that are found during the formation, development and pinch-off of the cavity. The dependence of the slender body's water-exit trajectory and posture on the initial inclination angle and head shape is also discussed, illustrating that the trajectory and posture have a nonlinear relationship with the initial inclination angle, but are closely relevant to the shoulder cavity's closed position. The blunt head shape will increase the stability of the cavity and change the dynamics of the body.
- fluid mechanics,
- oblique water-exit,
- high-speed camera technology,
- slender body,
- cavity dynamic characteristic,
- initial inclination angle,
- head shape

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References(21)

References

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