High-Order Multioperator Compact Schemes for Numerical Simulation of Unsteady Subsonic Airfoil Flow

High-Order Multioperator Compact Schemes for Numerical Simulation of Unsteady Subsonic Airfoil Flow

On the basis of high-order schemes, the viscous gas flow over the NACA2212 airfoil is numerically simulated at a free-stream Mach number of 0.3 and Reynolds numbers ranging from 10 3 to 10 7 . Flow regimes sequentially varying due to variations in the free-stream viscosity are considered. Vortex str...

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Veröffentlicht in:Computational mathematics and mathematical physics 2018-02, Vol.58 (2), p.274-285
1. Verfasser: Savel’ev, A. D.
Format: Artikel
Sprache:eng
Schlagworte:
Aerodynamics
Computational fluid dynamics
Computational Mathematics and Numerical Analysis
Computer simulation
Gas flow
Mach number
Mathematics
Mathematics and Statistics
Viscosity
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Zusammenfassung:On the basis of high-order schemes, the viscous gas flow over the NACA2212 airfoil is numerically simulated at a free-stream Mach number of 0.3 and Reynolds numbers ranging from 10 3 to 10 7 . Flow regimes sequentially varying due to variations in the free-stream viscosity are considered. Vortex structures developing on the airfoil surface are investigated, and a physical interpretation of this phenomenon is given.
ISSN:0965-5425
1555-6662
DOI:10.1134/S0965542518020148