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Investigation of the 3D Velocity Field of a Segmented Flow Utilizing a Novel 3C3D Micro-PIV Approach

[+] Author Affiliations
Mona Abdolrazaghi, David S. Nobes

University of Alberta, Edmonton, AB, Canada

Paper No. IMECE2010-38710, pp. 759-763; 5 pages
doi:10.1115/IMECE2010-38710
From:
  • ASME 2010 International Mechanical Engineering Congress and Exposition
  • Volume 10: Micro and Nano Systems
  • Vancouver, British Columbia, Canada, November 12–18, 2010
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4447-2
  • Copyright © 2010 by ASME

abstract

Segmented flow occurs in several microfluidic systems such as monolith reactors, cellular systems, and human airways. Liquid-gas bubbles can cause different issues in the micro-channel by disturbing the flow and even blocking the channel. Investigating this kind of flow phenomenon provides useful information for improving the efficiency of both industrial and biomedical devices. Predicting the velocity of bubbles, velocity within the liquid slug and the thickness of the thin liquid film in the slug flow is one of the challenges in this field. In this paper, a novel measurement technique capable of measuring three components of the velocity is described and used to investigate the flow in the region of the gas-fluid interface of a segmented flow.

Copyright © 2010 by ASME
Topics: Flow (Dynamics)

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