Results 1 to 10 of about 945,953 (264)

High fidelity influence analysis of material and structure on sealing characteristics of aviation pipeline fittings based on multi-scale model [PDF]

open access: yesScientific Reports
As an important component connecting and sealing the high-pressure fluid in the hydraulic pipeline, the reliability and stability of the aviation pipeline fittings are critical.
Shuai Zhao   +5 more
doaj   +4 more sources

PROTOCOL OF REGISTRATION OF MAINTENANCE OF PIPELINE FITTINGS

open access: yesНадежность и качество сложных систем
Background. The method of registration of maintenance and repair of pipeline fittings using RFID technology (Radio Frequency Identification, radio frequency identification) is considered.
D.S. Boyarkin   +4 more
doaj   +3 more sources

Calculation of Spindle of Pipeline Fittings on the Longitudinal Stability

open access: yesProcedia Engineering, 2016
AbstractThe paper discusses the features of the rational design of a spindle with screwing motion of pipeline valve as the hinged rod with a step of change in stiffness, which takes into calculating the availability of both threaded and non-threaded parts and with the intermediate linear-elastic support to simulate the effect of supporting the ...
Proskuriakov, N.E., Lopa, I.V.
exaly   +3 more sources

Registration and signal processing in measuring system for monitoring leaks of NPP pipeline fittings

open access: yesОмский научный вестник, 2023
The article is devoted to the problem of identification of leakiness of pipeline fittings. A measuring system for leak monitoring is described. In contrast to the organoleptic approach adopted in practice, automatic signal processing is proposed ...
E. A. Abidova, V. I. Ratushny
doaj   +2 more sources

Influence of Fluid on Seal and Assembly of Pipeline Fittings Based on the Multiscale Finite Element Model

open access: yesComplexity, 2020
Pipeline fittings with ferrules are applied to connect sections of hydraulic pipelines in aircraft, and their reliability and stability are essential.
Yangyang Yan, Yaping Fan
doaj   +2 more sources

Optimization for Pipeline Corrosion Sensor Placement in Oil-Water Two-Phase Flow Using CFD Simulations and Genetic Algorithm [PDF]

open access: yesSensors, 2023
Internal corrosion is a major concern in ensuring the safety of transmission and gathering pipelines in Structural Health Monitoring (SHM). It usually requires numerous sensors deployed inside the piping system to comprehensively cover the locations with
Shuomang Shi   +6 more
doaj   +2 more sources

Vision–Language Models for Transmission Line Fault Detection: A New Approach for Grid Reliability and Optimization [PDF]

open access: yesJournal of Imaging
Reliable fault detection along transmission corridors is essential for preventing small defects from developing into long outages and costly emergency operations.
Runle Yu   +5 more
doaj   +2 more sources

HE PROCESSING STEPS IN THE RENEW OF PLUG-FORMING DETAILS OF PIPELINE FITTINGS

open access: yesVestnik Mordovskogo Universiteta, 2016
Введение. В практике производства и ремонта трубопроводной арматуры притирку (доводку) принято считать одной из важнейших технологических операций. С помощью данной финишной операции решается главная задача – обеспечение герметичности затвора.
V. A. Skryabin
exaly   +2 more sources

A Simple Method to Design and Analyze Dynamic Vibration Absorber of Pipeline Structure Using Dimensional Analysis

open access: yesShock and Vibration, 2020
Vibrations due to mechanical excitation and internal and external fluid flow can cause fatigue in pipelines and leaks in fittings. A beam-based dynamic vibration absorber (beam DVA) is a device comprising an L-shaped beam with a concentrated mass at its ...
Mehrdad Shemshadi   +2 more
doaj   +2 more sources

Unveiling the impact of pipe materials on water hammer in pressure pipelines: an experimental and numerical study [PDF]

open access: yesScientific Reports
Water hammer (WH) is a phenomenon characterized by the rapid opening or closing of valves or pumps in pipelines, resulting in a disruptive noise, intense vibrations, and potential damage to pipes, fittings, structures, and even human safety.
M. Kandil   +2 more
doaj   +2 more sources

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