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Received: 2007-03-10

Revision Accepted: 2007-06-11

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Journal of Zhejiang University SCIENCE A 2007 Vol.8 No.9 P.1422-1428


Study on hydrodynamic vibration in fluidic flowmeter

Author(s):  WANG Chi-yu, ZOU Jun, FU Xin, YANG Hua-yong

Affiliation(s):  Institute State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   junzou@zju.edu.cn

Key Words:  Flowmeter, Fluidic, Hydrodynamic vibration, Coanda effect

WANG Chi-yu, ZOU Jun, FU Xin, YANG Hua-yong. Study on hydrodynamic vibration in fluidic flowmeter[J]. Journal of Zhejiang University Science A, 2007, 8(9): 1422-1428.

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author="WANG Chi-yu, ZOU Jun, FU Xin, YANG Hua-yong",
journal="Journal of Zhejiang University Science A",
publisher="Zhejiang University Press & Springer",

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%A WANG Chi-yu
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%A FU Xin
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%I Zhejiang University Press & Springer
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T1 - Study on hydrodynamic vibration in fluidic flowmeter
A1 - WANG Chi-yu
A1 - ZOU Jun
A1 - FU Xin
A1 - YANG Hua-yong
J0 - Journal of Zhejiang University Science A
VL - 8
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SP - 1422
EP - 1428
%@ 1673-565X
Y1 - 2007
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2007.A1422

The characteristics of the fluidic flowmeter, which is a combination of impinged concave wall and bistable fluid amplifier, is investigated by experimental studies and numerical simulations. The numerical approaches are utilized to examine the time dependent flow field and pressure field inside the proposed flowmeter. The effect of varying structural parameters on flow characteristics of the proposed fluidic flowmeter is investigated by computational simulations for the optimization. Both the simulation and experimental results disclose that the hydrodynamic vibration, with the same intensity, frequency and 180° phase shift, occurs at axisymmetric points in the feedback channel of the fluidic flowmeter. Using the structural combination of impinged concave wall and bistable fluid amplifier and differential signal processing technique, a novel fluidic flowmeter with excellent immunity and improved sensibility is developed.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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