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Pseudo-shock system structure in rectangular Laval nozzles with gaps

Gawehn, Thomas and Giglmaier, Marcus and Quaatz, Jan Frederik and Gülhan, Ali and Adams, Nikolaus A. (2011) Pseudo-shock system structure in rectangular Laval nozzles with gaps. 28th International Symposium on Shock Waves, 17 - 22 July 2011, Manchester (UK).

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Abstract

A detailed experimental investigation of the influence of small gaps on a pseudo-shock system has been performed for different gap sizes and pressure ratios p02/p01. In addition to schlieren images that only provide integral information of the total light deflection through the test section, 3-D numerical data was additionally used to investigate 3-D phenomena of the shock system. The combination of experimental and numerical techniques considerably increased the understanding of the underlying mechanisms that cause the change in structure and position of the pseudo-shock system when increasing the gap size.

Document Type:Conference or Workshop Item (Paper)
Title:Pseudo-shock system structure in rectangular Laval nozzles with gaps
Authors:
AuthorsInstitution or Email of Authors
Gawehn, ThomasAS-HY
Giglmaier, MarcusTU München
Quaatz, Jan FrederikTU München
Gülhan, AliAS-HY
Adams, Nikolaus A.TU München
Date:July 2011
Status:Published
Keywords:Laval Nozzle Flow, Pseudo-shock system, Shock train, Gap influence
Event Title:28th International Symposium on Shock Waves
Event Location:Manchester (UK)
Event Type:international Conference
Event Dates:17 - 22 July 2011
Organizer:The University of Manchester, Aero-Physics Laboratory
HGF - Research field:other
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:no assignement
DLR - Program:no assignment
DLR - Research theme (Project):other
Location: Köln-Porz
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Supersonic and Hypersonic Technology
Deposited By: Dr.-Ing. Thomas Gawehn
Deposited On:10 Oct 2011 07:56
Last Modified:10 Oct 2011 07:56

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