The objective of this work was to develop a general methodology for gas transmission pipeline modeling based on an optimization-oriented framework, able to embed formulations from design to operational purposes. For this purpose, steady-state behavior of the gas is considered and assumed in the momentum and mass balances. Although various optimization techniques can be used, the choice of a deterministic one has guided the solution strategy, since it is generally recognized that this kind of methods is particularly well-fitted to take into account the important number of constraints that are likely to be involved in the problem formulation. An adequate solver, namely, SBB, within GAMS environment was selected since this optimization toolbox is often considered as a standard in process systems engineering. A strategy to solve the optimal design of gas transmission network of a given topology is proposed. The approach is illustrated by an example taken from literature, inspired from the Belgian network. It comprises 20 nodes linked together with 20 arcs. The considered objective function is the total annualized cost, including the investment and operating costs. The optimization strategy provides the main design parameters of the pipelines (diameters, pressures, and flow rates) and the characteristics of compressor stations (location, suction pressure, pressure ratio, station throughput, fuel consumption, and station power consumption) to satisfy customer requirements.
Total cost minimization of a high-pressure natural gas network
Gesamtkostenminimierung eines Hochdruckerdgasnetzes
Transactions of the ASME, Journal of Energy Resources Technology ; 131 , 4 ; 043002/1-043002/12
2009
12 Seiten, 6 Bilder, 12 Tabellen, 57 Quellen
Article (Journal)
English
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