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The Matter of Discrete Euler Solutions for Lifting Wings

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Separated and Vortical Flow in Aircraft Wing Aerodynamics

Abstract

With the development in particular of fighter aircraft with delta-type wings the phenomenon of lee-side vortices became a topic in the field of aerodynamics.

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Notes

  1. 1.

    The following discussion also holds for supercritical flow. There the whole vorticity wake including the entropy-layer wake must be considered, Sect. 4.2.3.

  2. 2.

    See in this regard also the discussion in [5].

  3. 3.

    The total-pressure loss depends on the chosen variables, the discretization scheme, and the grid-fineness. Depending on the simulation problem at hand, one has to be aware of that.

  4. 4.

    z is the stretched coordinate, however, we have omitted the tilde.

References

  1. Rom, J.: High Angle of Attack Aerodynamics. Springer, Heidelberg (1992)

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  2. Powell, K.G., Murman, E.M., Perez, E.S., Baron, J.R.: Total pressure loss in vortical solutions of the conical Euler equations. AIAA J. 25, 360–368 (1987)

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  3. Hirschel, E.H.: Basics of Aerothermodynamics, 2nd edn (revised). Springer, Cham (2015)

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  4. Eberle, A., Rizzi, A., Hirschel, E.H.: Numerical Solutions of the Euler Equations for Steady Flow Problems. Notes on Numerical Fluid Mechanics, vol. 34. Vieweg, Braunschweig Wiesbaden (1992)

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  5. Hoeijmakers, H.W.M.: Modelling and numerical simulation of vortex flow in aerodynamics. AGARD-CP-494, 1-1–1-16 (1991)

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Correspondence to Ernst Heinrich Hirschel .

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Hirschel, E.H., Rizzi, A., Breitsamter, C., Staudacher, W. (2021). The Matter of Discrete Euler Solutions for Lifting Wings. In: Separated and Vortical Flow in Aircraft Wing Aerodynamics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-61328-3_5

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  • DOI: https://doi.org/10.1007/978-3-662-61328-3_5

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