Results 11 to 20 of about 9,964 (262)

Analysis and Suggestions on Hydraulic Calculation of Regional Natural Gas Pipelines Under Different Working Conditions

open access: yes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

Study on the Corrosion Behavior of L320 Steel at Different Flow Rates in CO2/O2 Environment [PDF]

open access: yesCailiao Baohu, 2022
For determining the corrosion behavior of L320 steel at different flow rates in CO2/O2 environments, the flow state of the target pipeline was simulated through the multiphase flow transient simulation software, and the flow velocity range of the ...
ZHAO Shuai, LIAO Ke - xi, HE Guo - xi, LENG Ji - hui, QIN Min, ZOU Qing, PANG Hong - chen
doaj   +1 more source

The Simulation of Natural Gas Gathering Pipeline Network [PDF]

open access: yesThe 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

Constant-pressure operation technology for salt cavern gas storage through solution mining under gas

open access: yesYou-qi chuyun, 2020
The efficient operation of salt cavern gas storage, as an ancillary facility of the gas pipeline network, is of greatsignificance to ensure the stable gas supply of the pipeline network.
Jun HE   +4 more
doaj   +1 more source

Research on optimization technology of new pipeline design for regional natural gas pipeline network

open access: yesYou-qi chuyun
ObjectiveThe pipeline network has been continuously expanding to accommodate the increasing number of natural gas users and the rising gas consumption. However, the complex structure of the pipeline network, along with the diverse characteristics of gas ...
Jingyi CUI   +6 more
doaj   +2 more sources

A Robustness Evaluation Method of Natural Gas Pipeline Network Based on Topological Structure Analysis

open access: yesFrontiers in Energy Research, 2021
As the total mileage of natural gas pipeline network continues to increase, the topological structure of natural gas pipeline network will become more and more complex.
Xueyi Li   +3 more
doaj   +1 more source

Observer-based H∞ PID control for discrete-time systems under hybrid cyber attacks

open access: yesSystems Science & Control Engineering, 2021
In this paper, the observer-based $ H_{\infty } $ PID control problem is studied for linear discrete-time systems subject to hybrid cyber attacks. Two sets of Bernoulli distributed stochastic variables are utilized to characterize the random nature of ...
Pengyu Wen   +4 more
doaj   +1 more source

Linear System Analysis and Optimal Control of Natural Gas Dynamics in Pipeline Networks

open access: yesAutomatica, 2023
We design nonlinear and adaptive linear model-predictive control (MPC) techniques to minimize operational costs of compressor-actuated dynamics in natural gas pipeline networks. We establish stability of the local linear system and derive rigorous bounds on error between the nonlinear and linear system solutions.
Luke S. Baker   +4 more
openaire   +2 more sources

Girth welding technology used in Heihe-Changling Section of China-Russia Eastern Gas Pipeline

open access: yesYou-qi chuyun, 2020
This paper describes the girth welding technology for the north section (Heihe-Changling Section) of China-Russia Eastern Gas Pipeline concerning its characteristics of high steel grade, large diameter, high pressure, large throughput and low temperature.
Yongli SUI, Pengyu WANG
doaj   +1 more source

Prospect for the development of natural gas network and the multi-energy integration technology in pipeline networks

open access: yesYou-qi chuyun, 2023
The natural gas pipeline network, as an important part of the natural gas industry and an indispensable participant in the energy Internet, plays a crucial role in the construction of China's energy industry and in the development of national economy. In
Weihe HUANG, Jing GONG
doaj   +1 more source

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