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Gawehn, Thomas and Gülhan, Ali and Al-Hasan, N. S. and Schnerr, G. H. (2009) Experimental and Numerical Analysis of the Structure of Pseudo-Shock Systems in Laval Nozzles with Parallel Side Walls. In: 27th International Symposium on Shock Waves. 27th International Symposium on Shock Waves, 2009-07-19 - 2009-07-24, St. Petersburg, Russland.
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Abstract
In the frame of the project "Gasdynamically initiated nanoparticle production", detailed numerical and experimental investigations of pseudo-shock systems in a Laval nozzle with parallel side walls have been carried out. The location of the pseudo-shock system is defined in this system of two chocked Laval nozzles by the ratio of the critical cross sections A2*/A1*, the stagnation pressure loss across the shock system and viscous losses. The wall pressure distributions and high velocity Schlieren videos recorded in the experiments are compared to the results of a steady and an unsteady numerical simulation. Corresponding results have been found.
| Item URL in elib: | https://elib.dlr.de/62931/ | ||||||||||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||||||||||
| Title: | Experimental and Numerical Analysis of the Structure of Pseudo-Shock Systems in Laval Nozzles with Parallel Side Walls | ||||||||||||||||||||
| Authors: |
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| Date: | July 2009 | ||||||||||||||||||||
| Journal or Publication Title: | 27th International Symposium on Shock Waves | ||||||||||||||||||||
| Open Access: | No | ||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||
| Keywords: | Laval Nozzle Flow, Pseudo-shock system, Shock train | ||||||||||||||||||||
| Event Title: | 27th International Symposium on Shock Waves | ||||||||||||||||||||
| Event Location: | St. Petersburg, Russland | ||||||||||||||||||||
| Event Type: | international Conference | ||||||||||||||||||||
| Event Start Date: | 19 July 2009 | ||||||||||||||||||||
| Event End Date: | 24 July 2009 | ||||||||||||||||||||
| Organizer: | Ioffe Institute of Russian Academy of Sciences | ||||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport (old) | ||||||||||||||||||||
| HGF - Program: | Space (old) | ||||||||||||||||||||
| HGF - Program Themes: | W RP - Raumtransport | ||||||||||||||||||||
| DLR - Research area: | Space | ||||||||||||||||||||
| DLR - Program: | W RP - Raumtransport | ||||||||||||||||||||
| DLR - Research theme (Project): | W - Grundlagen Raumtransport - Anlagen und Messtechnik (old) | ||||||||||||||||||||
| Location: | Köln-Porz , Braunschweig , Göttingen | ||||||||||||||||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > Supersonic and Hypersonic Technology | ||||||||||||||||||||
| Deposited By: | Gawehn, Dr.-Ing. Thomas | ||||||||||||||||||||
| Deposited On: | 25 Jan 2010 15:21 | ||||||||||||||||||||
| Last Modified: | 24 Apr 2024 19:28 |
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- Experimental and Numerical Analysis of the Structure of Pseudo-Shock Systems in Laval Nozzles with Parallel Side Walls. (deposited 25 Jan 2010 15:21) [Currently Displayed]
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