Archambaud, Jean-Pierre and Arnal, Daniel and Hein, Stefan and Sousa, Joao and Hanifi, Ardeshir and Godard, Jean-Luc and Krier, Johann Valentin and Donelli, Raffaele (2008) Use of laminar flow technologies for supersonic drag reduction - results of FP project SUPERTRAC. WCCM8, ECCOMAS 2008, 2008-06-30 - 2008-07-04, Venice, Italy.
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The present paper deals with the control of the laminar-turbulent transition on a swept wing in supersonic conditions. This study has been carried out as part of the European Project SUPERTRAC (SUPERsonic TRAnsition Control; January 2005, June 2008). Two issues have been addressed with the same model: the first one is the control of the transition due to crossflow (CF) instabilities present on a swept wing, by using Micron-Sized Roughness elements (MSR); the second one is the prevention of the turbulent contamination along the leading edge by means of appropriate Anti-Contamination Devices (ACD). The paper describes the work concerning the numerical approach, the model design, the tests in the ONERA S2MA wind tunnel in Modane and the analysis of the results.
|Document Type:||Conference or Workshop Item (Paper)|
|Title:||Use of laminar flow technologies for supersonic drag reduction - results of FP project SUPERTRAC|
|In ISI Web of Science:||No|
|Keywords:||laminar-turbulent transition, flow control, supersonic, swept wing, attachment-line contamination, crossflow, micron-sized roughness, anti-contamination device|
|Event Title:||WCCM8, ECCOMAS 2008|
|Event Location:||Venice, Italy|
|Event Dates:||2008-06-30 - 2008-07-04|
|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 > Helicopters|
|Deposited By:||Dr.-Ing. Stefan Hein|
|Deposited On:||22 Sep 2009 15:21|
|Last Modified:||22 Sep 2009 15:21|
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