On the Use of Probability-Based Methods for Estimating the Aerodynamic Boundary-Layer Thickness

In this paper, known probabilistic methods for estimating the thickness of the boundary layer of a two-dimensional laminar flow of viscous incompressible fluid are extended to three-dimensional laminar flows of a viscous compressible medium. Their applicability to the problems of boundary-layer stab...

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Veröffentlicht in:	Fluids (Basel) 2021-08, Vol.6 (8), p.267
Hauptverfasser:	Boiko, Andrey V., Demyanko, Kirill V., Nechepurenko, Yuri M., Zasko, Grigory V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aerodynamic configurations Aerodynamics Bernoulli’s equation Boundary layers boundary-layer thickness Compressibility compressible boundary layer Computational fluid dynamics Estimation Expected values Experiments Flow velocity Fluid flow Incompressible flow Incompressible fluids Laminar boundary layer Laminar flow laminar-turbulent transition Methods Ordinary differential equations Probabilistic methods probability density function Random variables Software packages Statistical analysis Thickness Three dimensional flow Two dimensional boundary layer Two dimensional flow
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Beschreibung
Zusammenfassung:	In this paper, known probabilistic methods for estimating the thickness of the boundary layer of a two-dimensional laminar flow of viscous incompressible fluid are extended to three-dimensional laminar flows of a viscous compressible medium. Their applicability to the problems of boundary-layer stability is studied with the LOTRAN3 software package, which allows us to compute the position of laminar-turbulent transition in three-dimensional aerodynamic configurations.
ISSN:	2311-5521 2311-5521
DOI:	10.3390/fluids6080267