Results 21 to 30 of about 117,524 (269)

Finite Element Modeling Aspects of Buried Large Diameter Steel Pipe–Butterfly Valve Interaction

open access: yesModelling, 2023
Buried flexible pipes are allowed to deflect up to 2–5% of the pipe diameter, which can become problematic for the connected direct-bury, large-diameter butterfly valves.
Ashraf Mohammed Daradkeh   +1 more
doaj   +1 more source

Modeling computational fluid dynamics of multiphase flows in elbow and T-junction of the main gas pipeline

open access: yesTransport, 2019
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 the linear part of the main gas pipeline.
Yaroslav Doroshenko   +4 more
doaj   +1 more source

A new type of macrophytic algae from Permian deposits of the North-East of the Samara region (Locality Russky Baitugan)

open access: yesИзвестия высших учебных заведений: Геология и разведка, 2019
A new species of algae from the formal genus Algites Seward, 1894 — A. samarensis sp. nov. from the Lower Kazanian substage near the village of Russky Baitugan (northeast of the Samara Region) has been described.
M. L. Papernyi
doaj   +1 more source

Design Study of Leak Detection System and the Protection of Crude Oil Pipelines [PDF]

open access: yesEngineering and Technology Journal, 2017
In this paper, the Oil leakage sensor utilized photonics crystal fiber interferometer (PCFI) is proposed and experimentally investigated. The principle of operation of this sensor is detected the gas emission from pipe.
A.Z. Mohammed, B.R. Mahdi, A.H. Ajlan
doaj   +1 more source

Expansion of logistics infrastructure in the oil sector as a form of improving Poland's energy security

open access: yesZeszyty Naukowe Wyższej Szkoły Finansów i Prawa w Bielsku-Białej, 2023
Energy security refers to a country’s ability to provide stable access to energy, including energy resources such as oil. In Poland, PKN Orlen and PERN S.A. are the key companies managing oil logistics and processing for public and private use.
Dominik Piękoś   +2 more
doaj   +1 more source

PLASTIC PIPES FOR HYDROCARBON TRANSPORT AND GENERAL USE [PDF]

open access: yesEuropean Journal of Materials Science and Engineering
Traditionally, steel pipelines have been used for the construction of hydrocarbon pipelines, with the use of plastic pipes being restricted to water and sewage applications.
Mavis Sika OKYERE
doaj   +1 more source

Swelling behavior and mechanism of perfluoro rubber in methanol environments

open access: yesYou-qi chuyun
ObjectiveWith the advancement of the “dual carbon” strategy, the demand for pipeline transportation of methanol as an alternative fuel is gradually increasing.
Xinsheng WANG   +7 more
doaj   +1 more source

Establishing boundaries of safe shutdown process for supercritical CO2 pipeline of Xinjiang Oilfield Branch

open access: yesYou-qi chuyun
Objective Unlike crude oil and natural gas pipelines, supercritical CO2 pipelines encounter phase characteristic changes during the transient shutdown process. To ensure post-shutdown safety of a supercritical CO2 pipeline, it is crucial to establish the
Xinze LI   +7 more
doaj   +1 more source

Fair Pipelines

open access: yesCoRR, 2017
Presented as a poster at the 2017 Workshop on Fairness, Accountability, and Transparency in Machine Learning (FAT/ML 2017)
Amanda Bower   +5 more
openaire   +2 more sources

The human gut microbiome across the life course

open access: yesFEBS Letters, EarlyView.
Despite significant individual variation and continuous change throughout life, the human gut microbiome follows some life stage‐specific trends. This article provides a brief overview of how gut microbiome composition shifts across different phases of life. Created in BioRender. Özkurt, E. (2026) https://BioRender.com/8q4nrnc.
Alise J. Ponsero   +4 more
wiley   +1 more source

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