Results 1 to 10 of about 35,399 (167)

CFD-DEM-based Numerical Simulation of Erosion Characteristic of Multistage Pressure Relief String Regulating Valve [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2022
The regulating valve applied in coal liquefaction systems becomes seriously worn and its service life decreases because of a significant difference in pressure and solid–liquid flow.
G. Ou, X. Cao, C. Wang, A. Duan, H. Jin
doaj   +1 more source

Study on the Impact Wear Characteristics of Catalyst Particles at 90° Elbow via CFD-DEM Coupling Method [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2022
In the process of petrochemical production, the catalyst particles in the hydraulic conveying pipeline often cause wear failure accidents due to collisions with wall.
X. F. Liu   +6 more
doaj   +1 more source

Study on the Erosion Characteristics of Non-spherical Particles in Liquid-solid Two-phase Flow [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2023
Elbow erosion, defined as wall thinning due to the continuous interactions between solid particles and surface, is a common phenomenon in catalyst addition/withdrawal pipeline systems used in residual oil hydrogenation units.
H. Z. Jin   +5 more
doaj   +1 more source

Experiment and numerical simulation investigation on cavitation evolution and damage in the throttling section of pressure reducing valve

open access: yesEnergy Science & Engineering, 2022
For the phenomenon of widespread and serious cavitation damage in the throttling section of pressure reducing valve under high temperature and high pressure in the chemical technology process of petroleum and coal, according to actual coordination ...
Aoqiang Duan   +6 more
doaj   +1 more source

Research on CO2 Corrosion Mechanism of Natural Gas Pipeline Materials from Sichuan to East [PDF]

open access: yesCailiao Baohu, 2021
For making clear the CO2 corrosion mechanism of the X70 natural gas pipeline material from Sichuan to East, laboratory experiments were employed to study the CO2 corrosion behavior of the pipeline materials under natural gas environment ...
DAI Long - wei
doaj   +1 more source

Effect of Local Fluid Disturbance Induced by Weld Reinforcement Height on the Corrosion of a Low Alloy Steel Weld

open access: yesMetals, 2023
Weld corrosion exists widely in the petrochemical industry and attracts great attention. Most research proves that weld corrosion originates from the material factors introduced during the welding process. However, it is noted that local fluid turbulence
Kexin Zheng   +5 more
doaj   +1 more source

Erosion Corrosion Behavior of Several Typical Pipeline Materials in Flowing Seawater [PDF]

open access: yesCailiao Baohu, 2021
In order to verify the erosion and corrosion resistance of several different common seawater pipelines in ship, the erosion and corrosion resistance characteristics of 4 kinds of pipelines material were tested in the seawaters flows with different flow ...
WU Xing - wei, NIE Lei - xin, WU Heng
doaj   +1 more source

Flow Corrosion Behavior of X100 Pipeline Steel in Simulated Formation Water

open access: yesElectrochemistry, 2021
The self-designed flow system was used to study the flow corrosion of X100 pipeline steel in simulated formation water environment by electrochemical measurements as well as computational fluid dynamics (CFD) simulation.
Wensheng LI   +6 more
doaj   +1 more source

CO2 Corrosion Behavior of X70 Steel under Typical Gas–Liquid Intermittent Flow

open access: yesMetals, 2023
Gas–liquid intermittent flow is a kind of flow pattern that distinguishes itself from the conventional flow by the apparent non-steady feature, which causes serious corrosion issues, including localized corrosion.
Qiang Li   +4 more
doaj   +1 more source

Experimental and numerical studies on the corrosion properties of AISI 316L stainless steel in two-phase upward slug flows

open access: yesEngineering Applications of Computational Fluid Mechanics, 2020
The corrosion properties of AISI 316L stainless steel in upward slug flow were initially investigated using the electrochemical measurements and computational fluid dynamics (CFD) simulations.
Wenchao Lv   +3 more
doaj   +1 more source

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