Results 51 to 60 of about 2,645,003 (172)

Research on the optimization of installation conditions for ultrasonic flowmeters

open access: yes管道保护
Ultrasonic flowmeters serve as essential metering devices for long-distance natural gas pipelines, with a typical upstream installation length of 30D (where D is the nominal diameter).
Haohui CAI
doaj   +1 more source

Optical Fiber Sensors for Safety and Maintenance Monitoring of Linear Infrastructure

open access: yesAdvanced Sensor Research, Volume 5, Issue 5, May 2026.
This review rigorously provides a thorough and detailed overview of the most recent innovations and advancements in the field of railway and pipeline infrastructure monitoring, accomplished through the implementation of cutting‐edge fiber sensing technologies, with a specific emphasis on its two principal technical branches, namely multipoint sensing ...
Shengnan Wu   +10 more
wiley   +1 more source

Design and implementation of gas ultrasonic flowmeter system based on max35104 [PDF]

open access: yes, 2020
In the production, supply, storage and marketing of natural gas industry, gas measurement is a key link. Aiming at solving the problems in the current ultrasonic gas flowmeter, such as high-power consumption, low measurement accuracy and difficult data ...
Wenhao, Tong, Qi, Song, Jiankai, Tang
core   +1 more source

Transit Time Determination Based on Similarity-Symmetry Method in Multipath Ultrasonic Gas Flowmeter

open access: yesMetrology
The cross-correlation algorithm, widely used for transit-time determination in ultrasonic gas flowmeters, becomes susceptible to significant errors under high flow rates.
Hongliang Zhou, Yanchu Liu, Yunxiao Wu
doaj   +1 more source

Post‐Addition of Metal Species over CdIn2S4 Micro‐Pyramids/Nanosheets for Photocatalytic Hydrogen Production and Benzylamine Valorization

open access: yesSolar RRL, Volume 10, Issue 7, 15 April 2026.
Selenium thin‐film photovoltaics are emerging as promising candidates for indoor energy harvesting, leveraging a wide bandgap ideal for artificial light spectra. This review details critical advances in material properties, fabrication strategies—from vacuum deposition to melt processing—and interface engineering.
Mahmoud Adel Hamza   +8 more
wiley   +1 more source

The Forces Driving Streaming in the Presence of Scatterers Mimicking the Blood Cells and the Contrast Agents

open access: yesArchives of Acoustics, 2019
Acoustical Driving Forces (ADF), induced by propagating waves in a homogeneous and inhomogeneous lossy fluid (suspension), are determined and compared depending on the concentration of suspended particles.
Janusz WÓJCIK   +2 more
doaj   +1 more source

A Versatile Engineering Platform for the Fabrication of Prosthetic Venous Valves Using Electrospinning

open access: yesAdvanced Healthcare Materials, Volume 15, Issue 16, 24 April 2026.
Percutaneous prosthetic venous valves are fabricated by embedding stents in an electrospun matrix that extends luminally to form leaflets. The design shields leaflets from hyperplastic cells, isolates struts from blood contact, and avoids discrete anchoring points.
Dario Arcuti   +6 more
wiley   +1 more source

Two-channel ultrasonic water flowmeter based on time difference method

open access: yes, 2023
For the small and medium diameter mono ultrasonic flowmeter due to the small number of channels vulnerable to uneven flow field distribution, a dual-channel ultrasonic water flowmeter based on the time difference method is proposed.
Qin Huibin, Liu Wei
core   +1 more source

ОСОБЛИВОСТІ НАЛАШТУВАННЯ CFD-ПРОГРАМ ДЛЯ ПІДВИЩЕННЯ ЕФЕКТИВНОСТІ МОДЕЛЮВАННЯ ВИТРАТОМІРІВ

open access: yesАвтоматизация технологических и бизнес-процессов, 2017
In this paper, the authors conducted study of a number of parameters configuring the CFD-program Flow Simulations of the CAD SolidWorks for increasing the efficiency of modelling of ultrasonic flowmeters and orifice flowmeters.
Ф. Д. Матіко   +2 more
doaj   +1 more source

A Note on the Pressure Drop in Komax Static Mixers Under Turbulent Flow

open access: yesChemical Engineering &Technology, Volume 49, Issue 4, April 2026.
Accurate estimation of pressure drop in static mixers is essential in many chemical engineering processes. This study investigates the pressure drop of a Komax static mixer under turbulent conditions. Experiments show that the z‐factor decreases with increasing element number, and a new correlation incorporating the Reynolds number and element number ...
Youcef Zenati   +4 more
wiley   +1 more source

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