Modeling computational fluid dynamics of multiphase flows in elbow and T-junction of the main gas pipeline
Y Doroshenko, J Doroshenko, V Zapukhliak… - Transport, 2019 - jest.vgtu.lt
The research was performed in order to obtain the physical picture of the movement of
condensed droplets and solid particles in the flow of natural gas in elbows and T-junctions of …
condensed droplets and solid particles in the flow of natural gas in elbows and T-junctions of …
Mathematical modeling of unsteady gas transmission system operating conditions under insufficient loading
V Zapukhliak, L Poberezhny, P Maruschak, V Grudz Jr… - Energies, 2019 - mdpi.com
Under insufficient loading of a main gas transmission system, high-amplitude fluctuations of
pressure may occur in it. A mathematical model is proposed to estimate the amplitude of …
pressure may occur in it. A mathematical model is proposed to estimate the amplitude of …
[PDF][PDF] Impact of long-term operation on the reliability and durability of transit gas pipelines
Corrosion and corrosion-fatigue tests of the material of the pipeline, which was in operation
for 41 years. It has been shown that prolonged operation reduces the parameters of …
for 41 years. It has been shown that prolonged operation reduces the parameters of …
Evaluation of failure pressure for gas pipelines with combined defects
T Vilkys, V Rudzinskas, O Prentkovskis, J Tretjakovas… - Metals, 2018 - mdpi.com
The paper presents the study of the influence of mechanical damage on the safe operation
of gas transmission pipelines. The main types of pipeline damage with the actual …
of gas transmission pipelines. The main types of pipeline damage with the actual …
Corrosion of drill pipes in high mineralized produced waters
The reasons for the drill pipes failure as a result of interaction with formation water and
killing fluids were analyzed. It was determined that the aggressiveness of killing fluids …
killing fluids were analyzed. It was determined that the aggressiveness of killing fluids …
Fatigue and failure of steel of offshore gas pipeline after the laying operation
The presented paper is mainly aimed at estimating the residual lifetime of metal used for the
offshore gas pipeline under a low amplitude cyclic load applying S-and J-methods for …
offshore gas pipeline under a low amplitude cyclic load applying S-and J-methods for …
Degradation of the main gas pipeline material and mechanisms of its fracture
P Maruschak, I Danyliuk, O Prentkovskis… - Journal of Civil …, 2014 - Taylor & Francis
The effect of the in-service scattered damage in the pipe wall metal is evaluated, and the
effect of hydrogen absorbed by metal on the variation of the structure and mechanical …
effect of hydrogen absorbed by metal on the variation of the structure and mechanical …
Defectiveness of external and internal surfaces of the main oil and gas pipelines after long-term operation
P Maruschak, O Prentkovskis… - Journal of Civil …, 2016 - Taylor & Francis
Damage by pitting corrosion of the surface areas of the local oil and gas pipelines was
identified and numerically analysed in this paper. Having used the methods of optical and …
identified and numerically analysed in this paper. Having used the methods of optical and …
Structural and mechanical defects of materials of offshore and onshore main gas pipelines after long-term operation
The study has established the main regularities of a fatigue failure of offshore gas steel
pipes installed using S-lay and J-lay methods. We have numerically analyzed the influence …
pipes installed using S-lay and J-lay methods. We have numerically analyzed the influence …
Impact of gas hydrates and long-term operation on fatigue characteristics of pipeline steels
Fatigue tests of specimens from pipe steel 17GS and steel 20 after exposure to gas hydrates
are performed. A decrease in lifetime was found to be from 15 to 25%, and given the …
are performed. A decrease in lifetime was found to be from 15 to 25%, and given the …