Impact of bypass mass flow on shock motion in pseudo-shock systems
Giglmaier, Marcus and Quaatz, Jan Frederik and Adams, N.A. and Gawehn, Thomas and Gülhan, Ali (2012) Impact of bypass mass flow on shock motion in pseudo-shock systems. 20th International Shock Interaction Symposium, 20. - 24. Aug. 2012, Stockholm, Sweden.
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During previous investigations on pseudo-shock systems we have observed reproducible differences between measurement and simulations for the pressure distribution as well as for size and shape of the pseudo-shock system. A systematic analysis of the deviations leads to the conclusion that small gaps of delta z = O(10^−4) m between quartz-glass side walls and the metal contour of the test section are responsible for this mismatch. The focus of the present study is put on a numerical analysis of the interaction between gap-flow and shock oscillation. Furthermore, the impact of gaps on the occurrence of shock asymmetry is discussed.
|Document Type:||Conference or Workshop Item (Speech)|
|Title:||Impact of bypass mass flow on shock motion in pseudo-shock systems|
|In ISI Web of Science:||No|
|Keywords:||pseudo-shock system, shock oscillation, shock asymmetry, CFD|
|Event Title:||20th International Shock Interaction Symposium|
|Event Location:||Stockholm, Sweden|
|Event Type:||international Conference|
|Event Dates:||20. - 24. Aug. 2012|
|Organizer:||KTH Royal Institute of Technology|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|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)|
|Institutes and Institutions:||Institute of Aerodynamics and Flow Technology > Über- und Hyperschalltechnolgien|
|Deposited By:||Dr.-Ing. Thomas Gawehn|
|Deposited On:||06 Nov 2012 08:44|
|Last Modified:||20 Nov 2012 14:46|
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