Investigation and Numerical Simulation of a Water Hammer with Column Separation

被引：9
|
作者：
Himr, Daniel [1 ]
机构：
[1] VSB Tech Univ Ostrava, Fac Mech Engn, Dept Hydrodynam & Hydraul Equipment, Ostrava 70833, Czech Republic
来源：
JOURNAL OF HYDRAULIC ENGINEERING | 2015年 / 141卷 / 03期
关键词：
Water hammer; Numerical analysis; Experimentation; Cavitation;
D O I：
10.1061/(ASCE)HY.1943-7900.0000967
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The paper describes an investigation into a water hammer with column separation. Special attention is given to the volume of cavity as a result of a pressure drop. Its volume has been determined by Gibson's method and using images taken by a high-speed camera. The water hammer was then addressed numerically as a one-dimensional flow. Air bubbles affecting the speed of sound in the system were considered. The pipeline's flexibility and attenuation were taken into account in the computation. (C) 2014 American Society of Civil Engineers.
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页数：8
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