特征线法在气垫式调压室管道水击计算程序编制中的应用  

Application of the method of characteristic in the preparation of pipe water hammer calculation program for air cushion surge chamber

作　　者：丁婧 DING Jing(Liaoning Water Conservancy and Hydropower Survey and Design Research Institute Co.Ltd,Shenyang 110006,China)

机构地区：[1]辽宁省水利水电勘测设计研究院有限责任公司,沈阳110006

出　　处：《水科学与工程技术》2022年第3期55-59,共5页Water Sciences and Engineering Technology

摘　　要：根据气垫式调压室工作原理、特征方程和边界条件,采用求解管道水击矩形网格法及算法原理,建立了具有气垫式调压室的简单管道的水击计算模型,利用特征线法求解水击。用MATLAB7.5语言编制相应的计算程序,在MATLAB7.5上调试通过,并结合某管道阀门瞬间关闭时所产生的水击进行应用与验算。The rectangular grid method and algorithm principle are used to solve the water hammer of the pipeline,and the mathematical model of the research object is established according to the working principle,establishes a water hammer calculation model for a simple pipe with air cushion surge chamber.In the paper,the method of characteristic is applied to solve the water hammer,and the corresponding calculation program is prepared in MATLAB 7.5 platform,which is debugged.Finally,this program is applied and verified for the water hammer generated when a pipeline valve is closed instantaneously.

关 键 词：气垫式调压室 简单管道 数学模型 水击计算 程序 

分 类 号：TU672.2[建筑科学—建筑技术科学]