Wave Propagation in Submerged Pipe Conveying Fluid

Qing-tian Deng; Zhi-chun Yang

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Wave Propagation in Submerged Pipe Conveying Fluid

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A problem of wave propagation in submerged pipe conveying fluid is discussed in this paper. Three different fluid-pipe models are considered: the pipe conveying non-viscous fluid immersed in still fluid, the pipe conveying non-viscous fluid considering hydrostatic pressure and the pipe conveying viscous fluid considering hydrostatic pressure. The Fliiggle shell model and the hydrostatic pressure considered as the static prestress are introduced for the description of pipe and external/internal fluids. The effects of steady viscous forces are obtained by using the time-mean Navier-Stokes equations, and the perturbation pressures can be determined by means of potential flow theory. The wave dispersion curves of a submerged pipe conveying fluid are obtained numerically by considering the coupling conditions. The effects of internal fluid velocity and hydrostatic pressure on phase velocity are also discussed.

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《固体力学学报：英文版》 |2019年第4期|483-498|共16页
作者
Qing-tian Deng; Zhi-chun Yang;
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作者单位

School of Sciences;

Chang;

an University;

Middle-Section of Nan;

er Huan Road;

X i’an 710064;

Shaanxi;

People’s Republic of China;

Department of Mechanical Engineering;

University of Cincinnati;

Cincinnati;

OH 45221-0072;

USA;

School of Aeronautics;

Northwestern Polytechnical University;

127 Youyi Xilu;

Xi’an 710072;

Shaanxi;

People's Republic of China;

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原文格式 PDF
正文语种 chi
中图分类力学;
关键词
Wave; propagation; Submerged; pipe; Hydrostatic; pressure; Shell; theory; Conveying; fluid; Viscous; fluid;

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Wave Propagation in Submerged Pipe Conveying Fluid

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