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Passive scalar mixing downstream of a synthetic jet in crossflow

Mitchell, Glen and Benard, Emmanuel and Uruba, Vaclav and Cooper, Richard K. Passive scalar mixing downstream of a synthetic jet in crossflow. (2008) IUTAM Symposium on Flow Control and MEMS, vol. 7 . pp. 103-109.

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Official URL: http://www.springer.com/materials/mechanics/book/978-1-4020-6857-7

Abstract

An experimental investigation on passive scalar mixing due to the interaction of a synthetic jet with a thermal boundary layer is presented. From velocity measurements, performed by particle image velocimetry, two jet behaviours were identified. For jet to crossflow velocity ratios less than 1.2, the velocity fluctuations due to the jet/crossflow interaction stayed close to the wall. At higher ratios, the fluctuations moved away from the wall. The thermal mixing was examined using laser induced fluorescence. During expulsion, the thickness of the downstream thermal boundary layer increased whilst the thermal boundary layer was annihilated immediately downstream of the jet during entrainment.

Item Type:Article
Additional Information:IUTAM Symposium on Flow Control and MEMS: Proceedings of the IUTAM Symposium held at the Royal Geographical Society, 19-22 September 2006, hosted by Imperial College, London, England. IUTAM Bookseries, Vol. 7. Morrison, Jonathan F., Birch D. M., Lavoie P. Springer, 2008. XVI-456 p. ISBN: 978-1-4020-6857-7
Audience (journal):Special issue journal
Uncontrolled Keywords:
Institution:Other partners > Academy of Sciences (CZECH REPUBLIC)
Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE
Other partners > Institute of Thermomechanics (CZECH REPUBLIC)
Other partners > Queen's University Belfast (UNITED KINGDOM)
Laboratory name:
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Deposited By: Emmanuel Benard

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