Two-phase flow instability in microchannel flow boiling exhibits pressure fluctuations with different frequencies and amplitudes. One possible way to suppress the dynamic instability is to introduce synthetic jet near the inlet of the channel. An important feature of synthetic jet is that it allows momentum transfer into the microchannel flow without net mass injection into it. The strength and frequency of the jet can be controlled by changing the driving voltage and frequency of the piezoelectric driven jet actuator. The effects of the synthetic jet together with upstream throttling are evaluated as a means of stabilizing the flow boiling instability. The results are compared with the case without synthetic jet. The pressure dynamics of the microchannel flow caused by the synthetic jet are also analyzed.
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ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels
June 19–22, 2011
Edmonton, Alberta, Canada
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-4463-2
PROCEEDINGS PAPER
Experimental Study on the Effect of Synthetic Jet on Flow Boiling Instability in a Microchannel Available to Purchase
Ruixian Fang,
Ruixian Fang
University of South Carolina, Columbia, SC
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Wei Jiang,
Wei Jiang
University of South Carolina, Columbia, SC
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Jamil Khan
Jamil Khan
University of South Carolina, Columbia, SC
Search for other works by this author on:
Ruixian Fang
University of South Carolina, Columbia, SC
Wei Jiang
University of South Carolina, Columbia, SC
Jamil Khan
University of South Carolina, Columbia, SC
Paper No:
ICNMM2011-58168, pp. 69-77; 9 pages
Published Online:
May 11, 2012
Citation
Fang, R, Jiang, W, & Khan, J. "Experimental Study on the Effect of Synthetic Jet on Flow Boiling Instability in a Microchannel." Proceedings of the ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels. ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels, Volume 1. Edmonton, Alberta, Canada. June 19–22, 2011. pp. 69-77. ASME. https://doi.org/10.1115/ICNMM2011-58168
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