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PANS of Rudimentary Landing Gear

Sinisa Krajnovic (Institutionen för tillämpad mekanik, Strömningslära) ; Ragnar Lárusson (Institutionen för tillämpad mekanik, Strömningslära) ; Eysteinn Helgason (Institutionen för tillämpad mekanik, Strömningslära) ; Branislav Basara
6th AIAA Theoretical Fluid Mechanics Conference, Honolulu, 27 - 30 June 2011 AIAA paper 2011-3109, (2011)
[Konferensbidrag, refereegranskat]

The paper presents results of simulations of the flow around rudimentary landing gear using an improved version of the Partially-Averaged Navier Stokes model (PANS z- f). The results are validated against time-averaged flow data such as pressure field and oil-film visualizations as well as quantities such as sound pressure level and surface pressure spectra that are relevant for aero acoustic noise generation. The results of PANS z- f are found to be in good agreement with the experimental data and observations. The PANS z- f presented here shows a clear advantage in the prediction of the flow compared with the reference LES simulation on an identical grid.

Nyckelord: PANS, Partially-Averaged Navier Stokes, Rudimentary Landing Gear, aerodynamics



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Denna post skapades 2012-01-18. Senast ändrad 2014-09-29.
CPL Pubid: 153761

 

Institutioner (Chalmers)

Institutionen för tillämpad mekanik, Strömningslära

Ämnesområden

Transport
Hållbar utveckling
Strömningsmekanik

Chalmers infrastruktur