Results 21 to 30 of about 110,765 (287)

Research Progress on Interference and Protection of Grounding Electrodes of HVDC Transmission on Buried Pipeline [PDF]

open access: yesCailiao Baohu
With the increasing number of high voltage direct current(HVDC) transmission projects in China,the issue of interference from HVDC system grounding electrodes on buried metal pipelines has become increasingly prominent.In order to conduct accurate ...
GAO Jie, TIAN Haizhou, LI Shaofei, LIU Tianhui, GUO Xiaodong, AN Bing, LU Tao
doaj   +1 more source

Topology Analysis of Natural Gas Pipeline Networks Based on Complex Network Theory

open access: yesEnergies, 2022
With the improvement of natural gas network interconnection, the network topology becomes increasingly complex. The significance of analyzing topology is gradually becoming prominent, and a systematic analysis method is required. This paper selects two typical natural gas pipeline networks: one in Europe, and the other in North China.
Heng Ye   +3 more
openaire   +2 more sources

Data-driven computation of natural gas pipeline network hydraulics

open access: yesResults in Control and Optimization, 2020
Hydraulic calculation is a major path to the management of natural gas pipeline network. However, the assumed physical parameters such as the length of the pipes are usually investigated from blueprint or factory technical tests, which may differ from actual values and cause inaccurate hydraulic calculation result.
Gaochen Cui   +3 more
openaire   +2 more sources

A goal programming methodology for multiobjective optimization of distributed energy hubs operation [PDF]

open access: yes, 2014
This paper addresses the problem of optimal energy flow management in multicarrier energy networks in the presence of interconnected energy hubs. The overall problem is here formalized by a nonlinear constrained multiobjective optimization problem and ...
A. Vaccaro   +16 more
core   +2 more sources

Assessment of Black Powder Concentrations in Natural Gas Pipeline Networks [PDF]

open access: yesIEEE Access, 2020
Natural gas transmission pipeline networks are facing serious issues related to the solid particles deposition that is called black powder (BP). The creation of BP inside natural gas pipeline is not completely understood, but it mainly results from the pipelines inner walls corrosion, which is a complex chemical reaction between the natural gas and ...
Mahdi Debouza   +3 more
openaire   +2 more sources

The technology and cost structure of a natural gas pipeline: Insights for costs and rate-of-return regulation [PDF]

open access: yes, 2018
This note details a complete microeconomic characterization of the physical relationships between input use and the level of output of a simple point-to-point gas pipeline system and uses it to contribute to the public policy discussions pertaining to ...
Massol, O., Perrotton, F.
core   +3 more sources

Combined flow prediction model for natural gas pipeline network based on EMD-Attention-GRU

open access: yesYou-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

Case study on CO₂ transport pipeline network design for Humber region in the UK [PDF]

open access: yes, 2013
Reliable, safe and economic CO₂ transport from CO₂ capture points to long term storage/enhanced oil recovery (EOR) sites is critical for commercial deployment of carbon capture and storage (CCS) technology.
Lazic, Tihomir, Oko, Eni, Wang, Meihong
core   +1 more source

Influence of low load rate of provincial natural gas pipeline network in North China on terminal cost

open access: yesYou-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

New method for the transient simulation of natural gas pipeline networks based on the fracture-dimension-reduction algorithm

open access: yesNatural Gas Industry B, 2023
The transient simulation technology of natural gas pipeline networks plays an increasingly prominent role in the scheduling management of natural gas pipeline network system.
Qiao Guo   +5 more
doaj   +1 more source

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