Effects of Liquid Impurity on Laser-Induced Gas Breakdown in Quiescent Gas: Experimental and Numerical Investigations

Ukai, T., Zare-Behtash, H. , White, C. and Kontis, K. (2019) Effects of Liquid Impurity on Laser-Induced Gas Breakdown in Quiescent Gas: Experimental and Numerical Investigations. In: 31st International Symposium on Shock Waves, Nagoya, Japan, 09-14 Jul 2017, pp. 9-16. ISBN 9783319910161 (doi:10.1007/978-3-319-91017-8_2)

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Abstract

This paper reports that the presence of liquid impurity significantly affects the shock wave structure induced by laser-induced gas breakdown in a quiescent gas. A spherical blast wave is formed when there are no suspended liquid particles, whereas an elliptic shaped blast wave appears in gas breakdown with the presence of suspended liquid particles. The elliptic shaped blast wave has a higher overpressure magnitude on the perpendicular axis of the laser path.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:White, Dr Craig and Ukai, Dr Takahiro and Kontis, Professor Konstantinos and Zare-Behtash, Dr Hossein
Authors: Ukai, T., Zare-Behtash, H., White, C., and Kontis, K.
Subjects:Q Science > Q Science (General)
Q Science > QC Physics
T Technology > T Technology (General)
College/School:College of Science and Engineering > School of Engineering > Aerospace Sciences
ISBN:9783319910161
Published Online:03 April 2019

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
647261National Wind Tunnel FacilityFrank CotonEngineering and Physical Sciences Research Council (EPSRC)EP/L024888/1VPO (ACADEMIC & EDUCATIONAL INNOVATION)