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INSTITUTE OF PHYSICS PUBLISHING JOURNAL OF MICROMECHANICS AND MICROENGINEERING J. Micromech. Microeng. 16 (2006) 143149 doi:10.1088/0960-1317/16/1/019
 

Summary: INSTITUTE OF PHYSICS PUBLISHING JOURNAL OF MICROMECHANICS AND MICROENGINEERING
J. Micromech. Microeng. 16 (2006) 143149 doi:10.1088/0960-1317/16/1/019
Transient pressure drops of gas bubbles
passing through liquid-filled microchannel
contractions: an experimental study
Henry Chio1, Mads Jakob Jensen2, Xiaolin Wang1,
Henrik Bruus2 and Daniel Attinger1,3
1
Department of Mechanical Engineering, SUNY at Stony Brook, NY 11794-2300, USA
2
MIC--Department of Micro and Nanotechnology, DTU Bldg 345 East, Technical
University of Denmark, DK-2800 Kgs Lyngby, Denmark
E-mail: da2203@columbia.edu
Received 29 June 2005, in final form 11 October 2005
Published 13 December 2005
Online at stacks.iop.org/JMM/16/143
Abstract
We present the first transient pressure measurements and high-speed
visualization of gas bubbles passing through liquid-filled microchannel
contractions. We have studied contractions ranging from 100 to 500 m in

  

Source: Attinger, Daniel - Department of Mechanical Engineering, Columbia University

 

Collections: Engineering