Investigation of Structures of a Turbulent Spot in a Laminar Boundary Layer using Multiplane Stereo PIV
Schröder, Andreas (2001) Investigation of Structures of a Turbulent Spot in a Laminar Boundary Layer using Multiplane Stereo PIV. 3th International Symposium on Particle Image Velocimetry, 2001-09-14 - 2001-09-17, Göttingen (Germany).
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An investigation of the development of an artificially induced turbulent spot in a laminar boundary layer by means of the Multiplane Stereo PIV technique at a low turbulence wind tunnel has been performed. Besides ensemble-averages of instantaneous velocity vectorfields and their corresponding rms-fields, the coherent structures and sub-structures of the spot was the focus of this examination. The calculation of the y-vorticity fields, PDF’s and space-time-correlations of the velocity fluctuation components and the Reynolds stresses at different wall distances leads to model of a spatial and temporal constellation of vortex structures inside such a turbulent spot.
|Document Type:||Conference or Workshop Item (Speech)|
|Title:||Investigation of Structures of a Turbulent Spot in a Laminar Boundary Layer using Multiplane Stereo PIV|
|In ISI Web of Science:||No|
|Keywords:||PIV, boundary layer, turbulent spot, space-time-correlation|
|Event Title:||3th International Symposium on Particle Image Velocimetry|
|Event Location:||Göttingen (Germany)|
|Event Type:||international Conference|
|Event Dates:||2001-09-14 - 2001-09-17|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||L AR - Aircraft Research|
|DLR - Research area:||Aeronautics|
|DLR - Program:||L AR - Aircraft Research|
|DLR - Research theme (Project):||L - Flight Physics|
|Institutes and Institutions:||Institute of Aerodynamics and Flow Technology > Experimental Methods|
|Deposited By:||Ilka Micknaus|
|Deposited On:||30 Jan 2006|
|Last Modified:||14 Jan 2010 19:17|
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