NDLI: An economical method for computation of stationary conditions in gas transport systems

Content Provider	Springer Nature Link
Author	Anuchin, Maksim G. Anuchin, Mikhail G. Kuznetsov, A. N.
Copyright Year	2016
Abstract	An economic iterative method is proposed for simulating stationary conditions in complex gas transport systems of any topology. The method exploits a fast algebraic pipe model with periodic identification, which is used to adjust the model to the stationary conditions under consideration and to provide the required accuracy of calculation. The identification procedure is based on the solution of stationary hydrodynamic equations. The gas transport system is represented as a list of pipes and a list of nodes. As an initial approximation, we define gas pressures and temperatures in the nodes and thus setting boundary conditions for the stationary flow. In the global iterations of the method, the pressures and temperatures are updated to make the flow disbalance tend to zero. The method allows parallel computing on multiprocessor computers. It is implemented as a separate module in the VOLNA software. Its efficiency is demonstrated through a sample calculation for the gas transport system. A number of related issues are considered, including simulation accuracy, peculiarities in the solution of stationary equations, and the correctness of the calculation setup. The method can be used in combination with any other model of piped compressible gas.
Starting Page	651
Ending Page	659
Page Count	9
File Format	PDF
ISSN	20700482
Journal	Mathematical Models and Computer Simulations
Volume Number	8
Issue Number	6
e-ISSN	20700490
Language	English
Publisher	Pleiades Publishing
Publisher Date	2016-11-13
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	simulation of gas-transport systems stationary conditions natural gas pipeline computational approach software package Mathematical Modeling and Industrial Mathematics Simulation and Modeling
Content Type	Text
Resource Type	Article
Subject	Modeling and Simulation Computational Mathematics

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