Results 21 to 30 of about 112,072 (319)
Energies, 2023 In this paper, we propose an optimization model that considers two pathways for injecting renewable content into natural gas pipeline networks. The pathways include (1) power-to-hydrogen or PtH, where off-peak electricity is converted to hydrogen via ...
Emmanuel Ogbe +3 more
semanticscholar +1 more source
Combined flow prediction model for natural gas pipeline network based on EMD-Attention-GRU
You-qi chuyun, 2023 In order to overcome the deficiency of the traditional time series prediction method in flow prediction of natural gas pipeline networks, a combined prediction model based on Empirical Mode Decomposition (EMD), Attention and Gated Recurrent Unit (GRU ...
Jiacheng MEN +4 more
doaj +1 more source
Advance in application of complex network theory and implications for natural gas pipeline networks
You-qi chuyun, 2022 As the natural gas pipeline network in China is densified increasingly, its operation becomes more and more complicated, bringing challenges to the research on topology structure and gas supply reliability.
Heng YE +5 more
doaj +1 more source
The Simulation of Natural Gas Gathering Pipeline Network [PDF]
The Open Fuels & Energy Science Journal, 2013 This paper focuses on developing a simulation model for the analysis of natural gas gathering pipeline network system. The simulation mathematical model of the pipeline element and non-pipeline element in natural gas pipeline network is established, the implicit difference method is used to change the partial differential model into the finite ...
Peng Shanbi +3 more
openaire +1 more source
Oil & Gas Science and Technology, 2021 Blending a fraction of hydrogen into the natural gas pipeline or urban pipe network is an efficient approach for hydrogen delivery. In this paper, the mathematical model of Hydrogen-Blended Natural Gas (HBNG) transportation is established, and the ...
Zhang Heng +4 more
doaj +1 more source
You-qi chuyun, 2021 The natural gas pipeline network in North China is well developed, and the demand of natural gas is increasing day by day. However, "1+X" business mode was formed in the intermediate links of transportation by the provincial short-distance pipeline ...
Zishu GAO +3 more
doaj +1 more source
A mathematical framework for modelling and evaluating natural gas pipeline networks under hydrogen injection [PDF]
, 2008 This article presents the framework of a mathematical formulation for modelling and evaluating natural gas pipeline networks under hydrogen injection. The model development is based on gas transport through pipelines and compressors which compensate for ...
Azzaro-Pantel, Catherine +3 more
core +1 more source
The storage capacity of underground gas storages in the Czech republic [PDF]
, 2019 Sources of natural gas are in most cases located in remote areas far from the places where the gas is utilized, i.e. especially developed industrial countries to which it is transported via pipeline. However, transit gas pipelines, which are transporting
Bujok, Petr, Klempa, Martin, Ryba, Jakub
core +1 more source
南方能源建设, 2023 [Introduction] Pipeline hydraulic calculation is an important component of the natural gas transmission and distribution system. Applying this theory allows for the analysis of relationships between the pipeline diameter, the flow velocity, the pressure ...
Gengxin CAI
doaj +1 more source
Pressure Fluctuations in Natural Gas Networks caused by Gas-Electric Coupling [PDF]
, 2015 The development of hydraulic fracturing technology has dramatically increased the supply and lowered the cost of natural gas in the United States, driving an expansion of natural gas-fired generation capacity in several electrical inter-connections.
Backhaus, Scott +4 more
core +1 more source