Flow measurement by electromagnetic induction : theory and numerical methods

Flow measurement by electromagnetic induction : theory and numerical methods / Xiao-Zhang Zhang.

This book describes of basic principles of electromagnetic induction measurements and consolidates the outcomes of recent research. It encompasses pipeline electromagnetic flow meters, electromagnetic flow meters, multiphase flow electromagnetic flowmeters and flow field of electromagnetic induction...

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Bibliographic Details
Main Author: Zhang, Xiao-Zhang (Author)
Format: eBook
Language:English
Published: Bristol [England] (Temple Circus, Temple Way, Bristol BS1 6HG, UK) : IOP Publishing, [2020]
Series:IOP series in sensors and sensor systems.
IOP ebooks. 2020 collection.
Subjects:
Electromagnetic induction > Measurement.
Flow meters.
flowmeters.
Flow, turbulence, rheology.
TECHNOLOGY & ENGINEERING > Measurement.
Electromagnetic induction > Measurement
Flow meters
Online Access:Click for online access
Table of Contents:
  • 1. History and development of theoretical research
  • 2. Basic equations and solution methods
  • 2.1. Basic equations
  • 2.2. Boundary conditions and methods of solutions
  • 2.3. Summary
  • 3. Characteristics of EM flowmeters in closed conduits
  • 3.1. Concepts and definitions
  • 3.2. Effect of the electrode shape on the weight function
  • 3.3. Effects of coil design on magnetic field
  • 3.4. Effect of flow velocity distribution
  • 3.5. Asymmetry problems
  • 4. Electromagnetic velocity probe
  • 4.1. Introduction
  • 4.2. Long cylinder probe parallel to flow
  • 4.3. Calculation of the sensitivity of EM probes using a 3D model
  • 4.4. Calculation of magnetic field
  • 4.5. Potential flow field around the probe
  • 4.6. Sensitivity
  • 4.7. Effect of pipe wall property on sensitivity
  • 4.8. Other probe types
  • 4.9. Conclusions
  • 5. Effect of two-phase flow
  • 5.1. Introduction
  • 5.2. Effect of gas bubble at various positions in a pipe cross section
  • 5.3. Effect of gas bubble at various pipe axis positions
  • 5.4. 3D model for virtual current with a bubble
  • 5.5. Effect of several bubbles
  • 5.6. Other works
  • 6. Flow reconstruction
  • 6.1. Introduction
  • 6.2. Two methods for flow reconstruction
  • 6.3. Examples of reconstruction
  • 6.4. Discussion
  • 7. Dry calibration
  • 7.1. Review of research history
  • 7.2. Some examples
  • 7.3. Comments.

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