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Modeling the dynamics of flow in gas pipelines

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4 Author(s)
Kralik, J. ; Gen. Directory of Czechoslovak Gas Ind., Prague, Czechoslovakia ; Stiegler, P. ; Vostry, Z. ; Zavorka, J.

The description of nonstationary one-dimensional flow of a nonideal gas in a pipe is treated with the goal of developing a mathematical description of flow and pressure (density) dynamics adequate for creating a simulation model of large pipeline networks, the analysis starts from Newton's equation of motion. The continuity equation, and the energy equation. The authors determine the relationships among: space discretization, terms of Newton's equation, and frequency of the dynamic processes occurring in the system. The resulting dynamic description of a pipe is discussed for two different modes of space discretization, and quantitative rules for space discretization are given.

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Systems, Man and Cybernetics, IEEE Transactions on  (Volume:SMC-14 ,  Issue: 4 )