The Extension of the Node Potential Analysis Algorithm for Simulation of Real Gas Behavior

J. Rüdiger and J. Horn (Germany)


natural gas, gas network simulation, real gas behavior, modelling.


The simulation of natural gas networks has a growing importance for operators of networks. In this paper is an extended version of the new simulation algorithm based on the node potential analysis presented. By the new development the algorithm has been extended for the simulation of real gas behavior. The approach to the development is to evaluate analogies between electrical circuits and gas networks and to adapt them to flow dynamics. Specific characteristics of gas flow and the requirements out of it are illustrated. The major part in the publication is the extension of the algorithm for the simulation of real gas. In the last chapter the performance of the new algorithm has been investigated by simulations on a network example.

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