NDLI: Experimental investigation of door dynamic opening caused by impinging shock wave

Content Provider	Springer Nature Link
Author	Biami, L. Jourdan, G. Mariani, C. Igra, O. Massol, A. Houas, L.
Copyright Year	2010
Abstract	To prevent damage caused by accidental overpressure inside a closed duct (e.g. jet engine) safety valves are introduced. The present study experimentally investigates the dynamic opening of such valves by employing a door at the end of a shock tube driven section. The door is hung on an axis and is free to rotate, thereby opening the tube. The evolved flow and wave pattern due to a collision of an incident shock wave with the door, causing the door opening, is studied by employing a high speed schlieren system and recording pressures at different places inside the tube as well as on the rotating door. Analyzing this data sheds light on the air flow evolution and the behavior of the opening door. In the present work, emphasis is given to understanding the complex, unsteady flow developed behind the transmitted shock wave as it diffracts over the opening door. It is shown that both the door inertia and the shock wave strength influence the opening dynamic evolution, but not in the proportions that might be expected.
Starting Page	19
Ending Page	28
Page Count	10
File Format	PDF
ISSN	09381287
Journal	Shock Waves
Volume Number	21
Issue Number	1
e-ISSN	14322153
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-12-04
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Shock wave Dynamic opening Fluid-structure interaction Impinging shock wave Condensed Matter Physics Acoustics Thermodynamics Engineering Fluid Dynamics Fluid- and Aerodynamics Engineering Thermodynamics, Heat and Mass Transfer
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Mechanical Engineering

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