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  1. Journal of Mechanical Science and Technology
  2. Journal of Mechanical Science and Technology : Volume 25
  3. Journal of Mechanical Science and Technology : Volume 25, Issue 6, June 2011
  4. Diagnostic flow metering using ultrasound tomography
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Journal of Mechanical Science and Technology : Volume 31
Journal of Mechanical Science and Technology : Volume 30
Journal of Mechanical Science and Technology : Volume 29
Journal of Mechanical Science and Technology : Volume 28
Journal of Mechanical Science and Technology : Volume 27
Journal of Mechanical Science and Technology : Volume 26
Journal of Mechanical Science and Technology : Volume 25
Journal of Mechanical Science and Technology : Volume 25, Issue 12, December 2011
Journal of Mechanical Science and Technology : Volume 25, Issue 1, Supplement,December 2011
Journal of Mechanical Science and Technology : Volume 25, Issue 11, November 2011
Journal of Mechanical Science and Technology : Volume 25, Issue 10, October 2011
Journal of Mechanical Science and Technology : Volume 25, Issue 9, September 2011
Journal of Mechanical Science and Technology : Volume 25, Issue 8, August 2011
Journal of Mechanical Science and Technology : Volume 25, Issue 7, July 2011
Journal of Mechanical Science and Technology : Volume 25, Issue 6, June 2011
Comparison of DME HCCI operating ranges for the thermal stratification and fuel stratification based on a multi-zone model
Comparative study on heat transfer characteristics of nanofluidic thermosyphon and grooved heat pipe
Numerical simulation and design of a parabolic trough solar collector used as a direct generator in a solar-GAX cooling cycle?
Delay of ignition in early direct-injected PCCI engine combustion using fuel-evaporative cooling and cooled EGR
Experimental study on steady state heating performance of a multi-type heat pump system for finding the optimum control variable
A numerical study on parameter control for remelted coating processes
Inverse estimation of properties for charring material using a hybrid genetic algorithm
Numerical investigation on developing laminar forced convective heat transfer and entropy generation in an annular helicoidal tube
Experimental hover performance evaluation on a small-scale rotor using a rotor test stand
An integrated blade optimization approach based on parallel ANN and GA with hierarchical fair competition dynamic-niche
A computational study on the flow characteristics of a self-compensating liquid balancer
Diagnostic flow metering using ultrasound tomography
Experimental investigation on dilute gas-solid multiphase jet in crossflow
Enhancement of mixing within a micro cavity by use of transient induced-charge electro-osmotic flow around micro electrodes
Injection profile effects on low speed axial compressor stability enhancement
Evaluation of friction coefficient using indentation model of Brinell hardness test for sheet metal forming
Multi-objective optimization of process parameters for the helical gear precision forging by using Taguchi method
Interaction between laser-induced plasma/vapor and arc plasma during fiber laser-MIG hybrid welding
Experimental research on machining characteristics of SiC ceramic with end electric discharge milling
Evaluation of weldability for resistance spot welded single-lap joint between GA780DP and hot-stamped 22MnB5 steel sheets
Dissipative proportional integral observer for a class of uncertain nonlinear systems
Development of integrated controller for a compound hybrid excavator
Design of a rollover prevention controller with differential game theory and a coevolutionary genetic algorithm
Drive control algorithm for an independent 8 in-wheel motor drive vehicle
Robust adaptive deadzone and friction compensation of robot manipulator using RWCMAC network
CMAC-based compound control of hydraulically driven 6-DOF parallel manipulator
Accurate calibration of kinematic parameters for two wheel differential mobile robots
Maximal power extraction strategy in the transition region and its benefit on the AEP (annul energy product)
Magneto-rheological accumulator for temperature compensation in hydropneumatic suspension systems
Journal of Mechanical Science and Technology : Volume 25, Issue 5, May 2011
Journal of Mechanical Science and Technology : Volume 25, Issue 4, April 2011
Journal of Mechanical Science and Technology : Volume 25, Issue 3, March 2011
Journal of Mechanical Science and Technology : Volume 25, Issue 2, February 2011
Journal of Mechanical Science and Technology : Volume 25, Issue 1, January 2011
Journal of Mechanical Science and Technology : Volume 24
Journal of Mechanical Science and Technology : Volume 23
Journal of Mechanical Science and Technology : Volume 22
Journal of Mechanical Science and Technology : Volume 21
Journal of Mechanical Science and Technology : Volume 20
Journal of Mechanical Science and Technology : Volume 19
Journal of Mechanical Science and Technology : Volume 18
Journal of Mechanical Science and Technology : Volume 17
Journal of Mechanical Science and Technology : Volume 16
Journal of Mechanical Science and Technology : Volume 15
Journal of Mechanical Science and Technology : Volume 14
Journal of Mechanical Science and Technology : Volume 13
Journal of Mechanical Science and Technology : Volume 12
Journal of Mechanical Science and Technology : Volume 11

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Diagnostic flow metering using ultrasound tomography

Content Provider SpringerLink
Author Chun, Sejong Yoon, Byung Ro Lee, Kwang Bock
Copyright Year 2011
Abstract For an accurate flow metering without considering the influences of flow control devices such as valves and elbows in closed conduits, velocity distribution in the cross-sectional area must be integrated. However, most flow meters, including multi-path ultrasonic, electromagnetic or Coriolis mass flow meters, require assumptions on the fully-developed turbulent flows to calculate flow rates from physical quantities of their own concern. Therefore, a long straight pipe has been a necessary element for accurate flow metering because the straight pipe can reduce flow disturbances caused by flow control devices. To reduce costs due to the installation of long straight pipes, another flow metering technique is required. For example, flow rates can be estimated by integrating velocity distributions in the crosssection of conduits. In the present study, ultrasound tomography was used to find the velocity distribution in the cross-section of a closed conduit where flow was disturbed by a Coriolis mass flow meter or a butterfly valve. A commercial multi-path ultrasonic flow meter was installed in the pipeline to measure the line-averaged velocity distribution in the pipe flow. The ultrasonic flow meter was rotated 180° at intervals of 10° to construct line-averaged velocity distributions in Radon space. Flow images were reconstructed by using a backprojection algorithm (inverse Radon transform). Flow diagnostic parameters were defined by calculating statistical moments, i.e., average, standard deviation, skewness, and kurtosis, based on the normalized velocity distribution. The flow diagnostic parameters were applied to flow images to find whether the parameters could discern flow disturbances in the reconstructed velocity distribution.
Starting Page 1475
Ending Page 1482
Page Count 8
File Format PDF
ISSN 1738494X
Journal Journal of Mechanical Science and Technology
Volume Number 25
Issue Number 6
e-ISSN 19763824
Language English
Publisher Korean Society of Mechanical Engineers
Publisher Date 2011-08-05
Publisher Place Heidelberg
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Computed tomography Flow metering Radon transform Ultrasonic flow meter Industrial and Production Engineering Vibration, Dynamical Systems, Control Mechanical Engineering
Content Type Text
Resource Type Article
Subject Mechanics of Materials Mechanical Engineering
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