Schröder, Andreas and Elsinga, Gerrit E. and Scarano, Fulvio and Dierksheide, Uwe (2007) Volume PIV. In: Particle Image Velocimetry - A Practical Guide (2nd Edition) Experimental Fluid Mechanics. Springer Verlag, Berlin, Heidelberg, New York. pp. 347-350. ISBN 978-3-540-72307-3.
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The formation and development of a turbulent spot in a laminar boundary layer flow is governed by the self-organization of generic substructures like hairpin-vortices and spanwise alternating wall bounded low- and high-speed streaks which effectively produce new turbulent flow structures out of the oncoming laminar flow reaching the spot at the rear edge. Although the main flow structures are identified and the exchange topologies in wall normal directions inside the spot are depicted roughly the principle growth mechanism of the turbulent spot itself is still not fully understood. The analysis of this growing process would also help to understand the function of very similar structures for the turbulent exchange in fully developed turbulent boundary layer flows.
|Document Type:||Book Section|
|Journal or Publication Title:||Particle Image Velocimetry - A Practical Guide (2nd Edition)|
|In ISI Web of Science:||No|
|Page Range:||pp. 347-350|
|Publisher:||Springer Verlag, Berlin, Heidelberg, New York|
|Series Name:||Experimental Fluid Mechanics|
|Keywords:||boundary layer flow, high Reynolds numbers, PIV, turbulent spots|
|HGF - Research field:||Aeronautics, Space and Transport (old)|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||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:||21 Aug 2007|
|Last Modified:||27 Apr 2009 14:07|
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