Comparison of bubble velocity components in a swirling gas-liquid pipe flow using dual-plane EIT and a novel 4-sensor local probe

G. P. Lucas, M. Wang, R. Mishra

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Citations (Scopus)

Abstract

A comparison is made of the distributions of the local axial, radial and azimuthal velocity components obtained from a dual-plane EIT system and a local 4-sensor conductance probe in a swirling two phase pipe flow. The paper describes a dual-plane EIT system and how the local axial, radial and azimuthal gas velocity components can be obtained using best pixel correlation. A mathematical model is then presented showing how the bubble velocity vector and hence three orthogonal bubble velocities can also be calculated from seven time intervals taken from the output signals from each of four conductance sensors located within the local 4-sensor probe. Results are presented for both measurement systems, comparing the distributions of the gas velocity components in a swirling, bubbly, vertical pipe flow. It was found that the presence of swirl causes the gas to have a significant azimuthal velocity which increases in magnitude from the pipe centre to the pipe wall.

Original languageEnglish
Title of host publication4th World Congress in Industrial Process Tomography
PublisherInternational Society for Industrial Process Tomography
Pages392-397
Number of pages6
ISBN (Electronic)9780853163206
Publication statusPublished - 5 Sep 2005
Event4th World Congress in Industrial Process Tomography - Aizu, Japan
Duration: 5 Sep 20055 Sep 2005
Conference number: 4

Conference

Conference4th World Congress in Industrial Process Tomography
Country/TerritoryJapan
CityAizu
Period5/09/055/09/05

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