Results 41 to 50 of about 112,072 (319)

QUANTITATIVE RISK MAPPING OF URBAN GAS PIPELINE NETWORKS USING GIS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
Natural gas is considered an important source of energy in the world. By increasing growth of urbanization, urban gas pipelines which transmit natural gas from transmission pipelines to consumers, will become a dense network.
P. Azari, M. Karimi
doaj   +1 more source

Strategic Eurasian Natural Gas Model for Energy Security [PDF]

open access: yes, 2011
The mathematical formulation of a large-scale equilibrium natural gas simulation model is presented. Although large-scale natural gas models have been developed and used for energy security and policy analysis quite extensively (e.g., Holz (2007), Egging
Chyong, Chi Kong, Hobbs, Benjamin F.
core   +2 more sources

Optimization of natural gas transport pipeline network layout: a new methodology based on dominance degree model

open access: yesTransport, 2018
At the phase of 13-th five-year plan in China, natural gas will play an important role in energy revolution. With the growth of consumption, natural gas infrastructures will become hot spots of future investment and pipeline network construction will ...
Zhenjun Zhu   +3 more
doaj   +1 more source

Simulation of Coupled Power and Gas Systems with Hydrogen-Enriched Natural Gas

open access: yesEnergies, 2021
Due to the increasing share of renewable energy sources in the electrical network, the focus on decarbonization has extended into other energy sectors.
Yifei Lu, Thiemo Pesch, Andrea Benigni
doaj   +1 more source

Short overview of early developments of the Hardy Cross type methods for computation of flow distribution in pipe networks [PDF]

open access: yes, 2019
Hardy Cross originally proposed a method for analysis of flow in networks of conduits or conductors in 1936. His method was the first really useful engineering method in the field of pipe network calculation. Only electrical analogs of hydraulic networks
Brkić, Dejan, Praks, Pavel
core   +3 more sources

A framework for probabilistic seismic risk assessment of NG distribution networks [PDF]

open access: yes, 2016
Lifelines are essential infrastructures for human activities and the economic developm ent of a region. Lifelines vulnerability reduction is an actual question, particularly with reference to NaTech events, like earthquakes.
Faleschini, Flora   +4 more
core   +1 more source

A method to determine the target reliability of gas supply in natural gas pipeline networks based on user satisfaction

open access: yesYou-qi chuyun
ObjectiveAs a key component of the natural gas supply chain, natural gas pipeline networks link the production, trading, storage, and sales of natural gas.
Weichao YU   +6 more
doaj   +1 more source

Productivity and Efficiency of US Gas Transmission Companies: A European Regulatory Perspective [PDF]

open access: yes, 2008
Keywords JEL Classification On both sides of the Atlantic the regulation of gas transmission networks has undergone major changes since the early 1990’s.
Jamasb, Tooraj   +2 more
core   +4 more sources

Simulation of Transient Flow in Gas Pipelines Using the Finite Volume Method

open access: yesRevista Científica y Tecnológica UPSE, 2020
The transient flow analysis is fundamental to the simulation of natural gas process, in order to adjust the system to real operative conditions and to obtain the highest level of efficiency, compliance and reliability.
Pedro Quintela   +3 more
doaj   +1 more source

Optimal Control of Transient Flow in Natural Gas Networks

open access: yes, 2015
We outline a new control system model for the distributed dynamics of compressible gas flow through large-scale pipeline networks with time-varying injections, withdrawals, and control actions of compressors and regulators. The gas dynamics PDE equations
Backhaus, Scott   +2 more
core   +1 more source

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