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《Journal of Harbin University of Commerce(Natural Sciences Edition)》 2009-01
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Transient analysis of natural gas systems

DONG Xue-jia 1,YU En-lu 2,LI Jun 1,XU Ying3(1.Guangzhou Gas Company,Guangzhou 510060,China;2.Tianjin Cement Industry Design & Research Institute Co.,Ltd,Tianjin 300400,China;3.School of Municipal and Environmental Engineering,Harbin Institute of Technology,Harbin 150090,China)  
Transient analysis is not only a valuable reference to engineering designs but also a useful help for operationa managements.In this paper,the method of characteristics(MOC) is presented firstly.And the physical meaning and the expression of the method are disscussed.By using MOC,it is flexible to choose the time step and able to satisfy the calculated precision in transient simulations.The study show that the MOC not only increases the efficiency of the numerical computation but also has an acceptable computational accuracy.Using the method is feasible to perform the numerical simulation of the transient flow in natural gas network systems.
【CateGory Index】: TU996
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