Results 11 to 20 of about 28,700 (316)

Corrosion Behavior of 304 Stainless Steel Bolt in Simulated Underwater Environment [PDF]

open access: yesCailiao Baohu, 2021
In order to clarify the corrosion behavior of 304 stainless steel bolt in underwater environment (seawater and fresh water), the corrosion behavior of 304 stainless steel (304 SS) bolt in simulated underwater environment was studied in laboratory ...
QIU Ping, XU Shou - wu, XIU Lin - ran, CHENG Meng - peng, HUANG Liu - qun
doaj   +1 more source

Design of Natural Gas Pipeline

open access: yesInternational Journal for Research in Applied Science and Engineering Technology, 2021
India today has an in depth network of underground pipelines used for the transportation and distribution of gas. Large factories, fertilizer factories and other industrial enterprises are the most consumers in PNG and today, however, with the rise in its popularity, it's currently utilized in the domestic sector similarly as a fuel within the ...
openaire   +1 more source

Construction and application of Digital Twin model of pipeline

open access: yesYou-qi chuyun, 2021
According to the concept of intelligent pipeline network and the current status of pipeline enterprises, it was put forward that Digital Twin was the basic method and theoretical basis to realize the intelligent pipeline network.
Sixun CHEN   +6 more
doaj   +1 more source

Adiabatic approach for natural gas pipeline computations [PDF]

open access: yes2017 IEEE 56th Annual Conference on Decision and Control (CDC), 2017
We consider slowly evolving, i.e. ADIABATIC, operational regime within a transmission level (continental scale) natural gas pipeline system. This allows us to introduce a set of nodal equations of reduced complexity describing gas transients in injection/consumption UNBALANCED (so-called line-pack) cases.
Michael Chertkov, Alexander Korotkevich
openaire   +2 more sources

Automatic welding technologies for long-distance pipelines by use of all-position self-shielded flux cored wires

open access: yesNatural Gas Industry B, 2014
In order to realize the automatic welding of pipes in a complex operation environment, an automatic welding system has been developed by use of all-position self-shielded flux cored wires due to their advantages, such as all-position weldability, good ...
Zeng Huilin   +4 more
doaj   +1 more source

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 Influence of OVPD on Pipeline Interference [PDF]

open access: yesCailiao Baohu, 2021
A buried steel pipeline paralleled with the subway line has been seriously interfered by the metro stray current.The rail ground potential protection device inside the subway station was frequently switched on.Through synchronous monitoring of the rail ...
WANG Lei-lei, GE Cai-gang, MOU Xiao-liang, JIANG Ka-ke, LIU Guo, DU Yan-xia
doaj   +1 more source

Effects of hydrogen blending on hydraulic and thermal characteristics of natural gas pipeline and pipe network

open access: yes, 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 ...
Peng Wang   +9 more
core   +1 more source

Prediction of oil-water mixing laws in oil-water replacement of product oil pipeline

open access: yesYou-qi chuyun, 2021
In order to study the oil-water mixing law in the oil-water replacement of product oil pipeline and to reduce the oil-water mixture produced in the process, a numerical model of the oil-water replacement of a product oil pipeline in Yunnan was ...
Li GU   +3 more
doaj   +1 more source

Study of the Effects of Simulation High Voltage Direct Current on the Corrosion of X65 Pipeline Steel in Shanghai Soil [PDF]

open access: yesCailiao Baohu, 2022
In order to study the effects of high voltage direct current (HVDC) grounding pole on the corrosion of pipelines, the corrosion behavior and the variation regularity of corrosion current density of X65 pipeline steel in Shanghai soil with direct current ...
LI De - ming, WANG Hong - xin
doaj   +1 more source

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