Hydraulic Transients Induced by Pigging Operation in Pipeline with a Long Slope

被引：6

作者：

Deng, Tao ^{[1
]}

Gong, Jing ^{[1
]}

Wu, Haihao ^{[1
]}

Zhang, Yu ^{[2
]}

Zhang, Siqi ^{[1
]}

Lin, Qi ^{[1
]}

Liu, Huishu ^{[1
]}

机构：

[1] China Univ Petr, Beijing Key Lab Urban Oil & Gas Distribut Technol, Beijing 102249, Peoples R China

[2] China Natl Petr Corp, South East Asia Pipeline Co Ltd, Beijing 100028, Peoples R China

来源：

JOURNAL OF APPLIED MATHEMATICS | 2013年

基金：

中国国家自然科学基金;

关键词：

WATER-HAMMER;

D O I：

10.1155/2013/231260

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

Pigging in pipelines basically performs operations for five reasons including cleaning the pipe interior, batching or separating dissimilar products, displacement, measurement, and internal inspection. A model has been proposed for the dynamic simulation of the pigging process after water pressure testing in a long slope pipeline. In this study, an attempt has been made to analyze two serious accidents during pigging operation in 2010 by the model which is developed by the method of characteristic (MOC) by Wylie et al. (1993) and the two-phase homogeneous equilibrium vaporous cavitation model deveoped by Shu (2003) for vaporous cavitation. Moreover, simulation results of the third operation show good agreement with field data from the previous field trial. After investigation, it was showed that the impulse pressures produced during collapse of a vapor cavity result in severe damage of tubes.

引用

页数：9