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Sperber, David and Eckel, Hans-Albert and Moessinger, Peter and Fasoulas, Stefanos (2011) Experimental investigation of laser-sustained plasma in supersonic argon flow. In: AIP Conference Proceedings, 1402, pp. 405-415. American Institute of Physics. Seventh International Symposium on Beamed Energy Propulsion, 2011-04-10 - 2011-04-14, Ludwigsburg, Deutschland. ISBN 978-0-7354-0974-3. ISSN 0094-243X.
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Official URL: http://scitation.aip.org/dbt/dbt.jsp?KEY=APCPCS&Volume=1402&Issue=1
Abstract
Laser-induced energy deposition is widely discussed as a flow control technique in supersonic transportation. In case of thermal laser-plasma upstream of a blunt body, a substantial adaptation of shock wave geometry and magnitude of wave drag is predicted. Related to the research on laser supported detonation, the paper describes the implementation of laser-sustained plasma in a supersonic Argon jet. The stable plasma state is generated by the intersection of a Q-switched Nd:YAG-laser and a continuous wave CO2-laser beams, for ignition and maintenance of the plasma respectively. A miniature supersonic Ludwieg tube test facility generates a supersonic jet at velocities of Mach 2.1. Modifications of the flow and plasma conditions are investigated and characterized by Schlieren flow visualisation, laser energy transmission and plasma radiation measurements. The results include the discussions of the flow field as well as the required laser and gas parameters.
| Item URL in elib: | https://elib.dlr.de/73055/ | ||||||||||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||||||||||
| Title: | Experimental investigation of laser-sustained plasma in supersonic argon flow | ||||||||||||||||||||
| Authors: |
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| Date: | 11 November 2011 | ||||||||||||||||||||
| Journal or Publication Title: | AIP Conference Proceedings | ||||||||||||||||||||
| Refereed publication: | No | ||||||||||||||||||||
| Open Access: | No | ||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||||
| Volume: | 1402 | ||||||||||||||||||||
| Page Range: | pp. 405-415 | ||||||||||||||||||||
| Editors: |
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| Publisher: | American Institute of Physics | ||||||||||||||||||||
| ISSN: | 0094-243X | ||||||||||||||||||||
| ISBN: | 978-0-7354-0974-3 | ||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||
| Keywords: | Laser-sustained plasma, Laser energy deposition, Supersonic Argon flow, Wave drag reduction, Flow visualization | ||||||||||||||||||||
| Event Title: | Seventh International Symposium on Beamed Energy Propulsion | ||||||||||||||||||||
| Event Location: | Ludwigsburg, Deutschland | ||||||||||||||||||||
| Event Type: | international Conference | ||||||||||||||||||||
| Event Start Date: | 10 April 2011 | ||||||||||||||||||||
| Event End Date: | 14 April 2011 | ||||||||||||||||||||
| Organizer: | DLR Institut für Technische Physik | ||||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||||||
| HGF - Program: | Aeronautics | ||||||||||||||||||||
| HGF - Program Themes: | Aircraft Research (old) | ||||||||||||||||||||
| DLR - Research area: | Aeronautics | ||||||||||||||||||||
| DLR - Program: | L AR - Aircraft Research | ||||||||||||||||||||
| DLR - Research theme (Project): | L - Laser Research and Technology (old) | ||||||||||||||||||||
| Location: | Stuttgart | ||||||||||||||||||||
| Institutes and Institutions: | Institute of Technical Physics | ||||||||||||||||||||
| Deposited By: | Scharring, Stefan | ||||||||||||||||||||
| Deposited On: | 19 Dec 2011 08:56 | ||||||||||||||||||||
| Last Modified: | 24 Apr 2024 19:38 |
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