Results 121 to 130 of about 2,645,003 (172)

Control of contour evolution, burn rate variation, and reaction channel formation in coal gasification. [PDF]

Sci Rep
Dychkovskyi R, Falshtynskyi V, Saik P, Lozynskyi V, Sala D, Hankus Ł, Magdziarczyk M, Smoliński A.   +7 more
europepmc   +1 more source

Synthesis of Titanium-Based Powders from Titanium Oxy-Sulfate Using Ultrasonic Spray Pyrolysis Method. [PDF]

Materials (Basel)
Kostić D, Stopic S, Keutmann M, Emil-Kaya E, Husovic TV, Perušić M, Friedrich B.   +6 more
europepmc   +1 more source

Research on Measurement of Coal-Water Slurry Solid-Liquid Two-Phase Flow Based on a Coriolis Flow Meter and a Neural Network. [PDF]

Sensors (Basel)
Liu J, Kong L, Ma J, Zhang X, Wang C, Wu D.   +5 more
europepmc   +1 more source

Fabrication of Morphology-Tailored ZIF-67/Polyether‑<i>b</i>‑Amide Mixed Matrix Membranes via CTAB-Assisted Hydrothermal Synthesis for CO₂ and CO₂/N₂ Separation. [PDF]

ACS Omega
Pacheco PS, Zawadzki SF, Eiras D.
europepmc   +1 more source

Effects of Flow Disturbance on an Ultrasonic Gas Flowmeter

Flow Measurement and Instrumentation, 1992
Abstract A series of tests are carried out to assess the effects of flow disturbance on a small dimension ultrasonic gas flowmeter. Flow disturbances generated by cone couplings, and single and double elbows are investigated. Measurements with a 100 D straight pipe upstream with a smooth connection to the meter body are used as a reference.
Håkansson, Evert, Delsing, Jerker
exaly   +5 more sources

Examining Transit-Time Ultrasonic Flowmeter Inaccuracies During Changing Gas Velocity Profiles

Processes, 2023
This study investigates the impact of changes in velocity profiles on the measurement inaccuracies of gas flow streams detected by an ultrasonic flowmeter.
Artur Andruszkiewicz, Wiesław Wędrychowicz, Ali Alahmer   +2 more
exaly   +2 more sources

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Design of ultrasonic flowmeter for wet gas measurement

Measurement Science and Technology, 2022
Abstract When an ultrasonic flowmeter (UFM) is applied in the measurement of wet gas, the ultrasonic signal attenuates and fluctuates strongly because of the liquid film and droplets in gas. It is hard to obtain the accurate time of flight (TOF) of ultrasound. Besides, the gas velocity distribution on a pipe cross
Dandan Zheng, Mengxu Zhai, Mi Wang
openaire   +1 more source

A Study on Ultrasonic Wave Detection Method for Clamp-On Ultrasonic Gas Flowmeter

SICE Journal of Control Measurement and System Integration, 2016
We examine clamp-on ultrasonic flowmeters for gas, in particular, low-pressure gases at atmospheric pressure.
Kouki Nagamune
exaly   +2 more sources

A Model-Based Hybrid Ultrasonic Gas Flowmeter

IEEE Sensors Journal, 2018
Combining the transmission “Z” mode and the reflection “V” mode, a new hybrid dual-path ultrasonic sensor is designed to make full use of the advantages of the two modes. With the hybrid sensor and a new model-based time-of-flight (TOF) measurement method, a new model-based hybrid ultrasonic gas flowmeter is developed.
Baoliang Wang, Yandan Jiang, Xia LI
exaly   +2 more sources

Basic examination of the FM ultrasonic flowmeter for gas

Proceedings of the 41st SICE Annual Conference. SICE 2002., 2003
The construction of an ultrasonic gas flowmeter is difficult because the attenuation of ultrasonic waves and the effects of acoustic noises are considerably higher for gas than for liquid. The sound field of the proposed meter is stabilized by FM ultrasonic wave; however, the receiver eliminates the FM components.
Saitou, Tomohiro, Tanisawa, Shigeru, Hirose, Haruo   +2 more
openaire   +1 more source