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Machine vision model for drip leakage detection of pipeline.
PLoS One
January 2025
School of Power and Mechanical Engineering, Wuhan University, Wuhan, China.
The prevailing trend in industrial equipment development is integration, with pipelines as the lifeline connecting system components. Given the often harsh conditions of these industrial equipment pipelines, leakage is a common occurrence that can disrupt normal operations and, in severe cases, lead to safety accidents. Early detection of even minor drips at the onset of leakage can enable timely maintenance measures, preventing more significant leaks and halting the escalation of pipeline failures.
View Article and Find Full Text PDFEngineering Application of Hardbanding Technology in the Petroleum Industry.
Materials (Basel)
December 2024
Mechanical Engineering Department, Petroleum-Gas University of Ploiești, 100680 Ploiesti, Romania.
The petroleum industry is essential for supplying crude oil, which is vital for fuel and chemicals and drives substantial investments in technologies, especially in regard to increasing the durability of the drill strings used in wellbore construction. This study aims to establish and to validate a hardbanding technology for reconditioning NC50 tool joints subjected to wear, thereby increasing drill pipe durability and reducing the risk of failure during drilling, which can lead to ecological pollution, human safety issues, and financial costs. The hardbanding of the tool joints was carried out using the gas metal arc welding process (GMAW) with two different wear-resistant wires, ARNCO 100XT and FLUXOFIL M58.
View Article and Find Full Text PDFAnalysis and research on water hammer protection measures based on KY PIPE for long distance pumping station water transmission engineering with pump stoppage.
Sci Rep
January 2025
College of Water Conservancy and Civil Engineering, Xinjiang Agricultural University, Urumqi, China.
Article Synopsis
- Long-distance pressurized pipeline water transmission is at risk of water hammer hazards, which can cause leaks or bursts due to excessive pressure.
- Modeling calculations using KY PIPE software, paired with real project data, help analyze and address the consequences of pump water hammer stoppages.
- Installing two-phase check valves, air valves, and water hammer relief valves proves effective in managing pressure and reducing surge tank volume, enhancing pipeline safety for similar projects.
Stability of Lead(IV) Oxide in a Lead Pipe Scale and Its Potential Role in Corrosion Control.
Environ Sci Technol
January 2025
Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, Campus Box 1180, One Brookings Drive, St. Louis, Missouri 63130, United States.
Lead(IV) oxide (PbO) is an important component of the scale in many lead pipes used for water supply. Promoting conditions that maintain its stability could be an effective method for limiting lead release. In this study, we applied a method that combined electrochemical and free chlorine conditioning to form PbO scales on coupons.
View Article and Find Full Text PDFInfluence of biofilm and calcium carbonate scaling on lead transport in plastic potable water pipes: A laboratory and molecular dynamics study.
J Hazard Mater
December 2024
Department of Civil and Environmental Engineering, University of Missouri, Columbia, MO, USA; Missouri Water Center, MO, USA. Electronic address:
This study investigated lead (Pb) transport through new, biofilm-laden, and calcium carbonate-scaled crosslinked polyethylene (PEX-A) and high-density polyethylene (HDPE) potable water pipes. The research focused on Pb accumulation through short-term exposure incidents (6 h) and Pb release for a longer duration (5 d). A mechanistic investigation of the surface morphology variations of plastic pipes following biofilm and scale formation has been conducted.
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