Method of estimating the onset of shock induced buffet

Nixon, David

doi:10.2514/6.2001-713

Cited by 4 publications

(1 citation statement)

References 7 publications

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“…[8][9][10] Experimental tests have supplied a rich source for the numerical simulations. [11][12][13] More correction about these codes, grid generation, turbulence modeling, etc., can predict problems related to the field of buffet more accurate. 14 Today, buffet can be predicted even with the use of well-trained neural networks.…”

Section: Introductionmentioning

confidence: 99%

An experimental study of buffet detection on supercritical airfoils in transonic regime

Golestani

Bonab

Soltani

2014

Proceedings of the Institution of Mechanical Engineers, Part G:

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Conventional buffet onset methods for a 2D supercritical airfoil, SC0410, in transonic regime for various Mach number and various angles of attack have been surveyed. The existing methods give good results for high subsonic and transonic regimes, but demand a computational procedure to detect the buffet onset. One of these methods, trailing edge pressure divergence, that have been recognized inappropriate in other studies for supercritical airfoils, shows acceptable result at least for the present supercritical airfoil. A new method has been proposed by the authors for transonic regime that is based on the physical definition of the buffet onset from the surface pressure distribution diagram. This method does not require any special calculations. The data scrutiny shows good agreement by this method in comparison with the conventional schemes.

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