Simulation and Test for Hydraulic Reliability of Gas Pipeline Network with Two-ring Parallel

Qingshu Wang


Based on the momentum equation, continuity equation and state equation, the unstable flow model of the gas pipeline network with two-ring parallel having distributing points was established and we got the analytic solution. To the actual gas pipeline network model, we analyzed the characteristic values―nodes, volume and network flow reliability’s changing trend on the working condition, node leakage condition and pipe cut-off condition. What we did can provide support for the monitoring of faulted gas pipeline network and shorten the duration of the faulted gas pipeline network condition, and then the hydraulic reliability of gas pipeline network can be increased.


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