An heuristic approach for optimal location of gas supply units in transportation system


Autoria(s): Nogueira, Teresa; Mendes, Rui; Vale, Zita; Cardoso, José
Data(s)

15/04/2013

15/04/2013

2007

11/04/2013

Resumo

The best places to locate the Gas Supply Units (GSUs) on a natural gas systems and their optimal allocation to loads are the key factors to organize an efficient upstream gas infrastructure. The number of GSUs and their optimal location in a gas network is a decision problem that can be formulated as a linear programming problem. Our emphasis is on the formulation and use of a suitable location model, reflecting real-world operations and constraints of a natural gas system. This paper presents a heuristic model, based on lagrangean approach, developed for finding the optimal GSUs location on a natural gas network, minimizing expenses and maximizing throughput and security of supply.The location model is applied to the Iberian high pressure natural gas network, a system modelised with 65 demand nodes. These nodes are linked by physical and virtual pipelines – road trucks with gas in liquefied form. The location model result shows the best places to locate, with the optimal demand allocation and the most economical gas transport mode: by pipeline or by road truck.

Identificador

http://hdl.handle.net/10400.22/1313

Idioma(s)

eng

Publicador

Croatian Gas Centre and Croatian Gas Association

Direitos

openAccess

Palavras-Chave #Facility location #Gas supply units – GSUs #Physical pipeline #Virtual pipeline #p-median problem #Lagrangean relaxation #Subgradient optimization
Tipo

conferenceObject