Two-channel ultrasonic water flowmeter based on time difference method
Dianzi Jishu Yingyong, 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.
Liu Wei, Qin Huibin
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Ultrasonic doppler flowmeter-guided occipital nerve block [PDF]
Korean Journal of Anesthesiology, 2010 BackgroundGreater occipital nerve block is used in the treatment of headaches and neuralgia in the occipital area. We evaluated the efficacy of ultrasonic doppler flowmeter-guided occipital nerve block in patients experiencing headache in the occipital ...
Se Hee Na +5 more
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Measurement of Fluid Flow with Different Velocity Profiles by New Built Ultrasonic Flowmeter [PDF]
MATEC Web of Conferences, 2022 The paper describes the development of a non-invasive flowmeter for lower flow rates and its first tests. This gauge is physically based on the interaction of fluid flow with an ultrasonic signal that passes through the fluid from the transmitter to the ...
Barraclough Veronika +5 more
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Design of Mine-used Ultrasonic Open-channel Flowmeter
Gong-kuang zidonghua, 2011 In view of problem that open-channel flowmeter ca't work normally because mine water contains impurities of coal powder and sediment which deposit on surface of probe of open-channel flowmeter, a mine-used ultrasonic open-channel flowmeter based on M-Bus
XU Le-nian, LIU Wei-guang, WANG Quan
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Experimental investigation of the Multipoint Ultrasonic Flowmeter
EPJ Web of Conferences, 2018 The Multipoint Ultrasonic Flowmeter is a vector tomographic device capable of reconstructing all three components of velocity field based solely on boundary ultrasonic measurements.
Jakub Filipský
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Reduction of Hydrodynamic Flow Measurement Error of Chordal Ultrasonic Flowmeter
Energy Engineering and Control Systems, 2017 In this work, ways of reducing the hydrodynamic flow measurement error of chordal ultrasonic flowmeter for the distributed location schemes of their acoustic paths are investigated.
Fedir Matiko +2 more
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The improvement of meter performance of EM sensing flowmeters using software modelling [PDF]
, 2008 This thesis is focused on the improvement of the meter performance and power consumption of non-mechanical flowmeters such as the conventional electromagnetic flowmeter and the fluidic oscillator.
Lim, Sungtaek
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Application of gas ultrasonic flowmeter in gas drainage and air pressure in coal mine
Meikuang Anquan, 2021 The main advantages and disadvantages of orifice flowmeter, V-cone flowmeter, precession vortex flowmeter and vortex street flowmeter are analyzed; the working principle of gas ultrasonic flowmeter in gas drainage pipeline is introduced, and the ...
FENG Chao, ZHU Yanjun
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Applicability of the PIV system for velocity field measurement inside the ultrasonic flowmeter [PDF]
MATEC Web of Conferences, 2021 Ultrasonic (US) flow meters are devices for a fluid flow measurement using the ultrasonic principle. Current research project dealing with developing the ultrasonic flowmeter with an innovative channel shape. Previously the work was aimed to the topology
Novosád Jan +2 more
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Influence law of different rectifiers on measurement of ultrasonic flowmeters
You-qi chuyun, 2021 In order to explore the measurement law of ultrasonic flowmeters under different rectifiers, a calibration pipeline model with rectifiers was established, the flow field of pipelines with different rectifiers was numerically simulated by Fluent software,
Shunjia TIAN +4 more
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