A new insight into the stability of variable viscosity diffusive boundary layers in porous media under gravity field
Sign Up to like & getrecommendations! Published in 2018 at "Aiche Journal"
DOI: 10.1002/aic.15974
Abstract: We study the stability of gravitationally unstable transient diffusive boundary layers with variable viscosity in porous media. The previous studies characterize the effect of viscosity variation only in terms of viscosity contrast and generalize their… read more here.
Keywords: viscosity; diffusive boundary; boundary layers; variable viscosity ... See more keywords
Two Coupled Forced‐Convection Boundary Layers of Counter‐Flow
Sign Up to like & getrecommendations! Published in 2017 at "Heat Transfer Research"
DOI: 10.1002/htj.21248
Abstract: In this study, the conjugate heat transfer problem of two forced-convection boundary layers of counter-laminar flow on plate sides is analyzed by employing the integral method. The analysis is conducted in a dimensionless way to… read more here.
Keywords: layers counter; boundary layers; convection; convection boundary ... See more keywords
A sliding mode controller for a model of flow separation in boundary layers
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Robust and Nonlinear Control"
DOI: 10.1002/rnc.4822
Abstract: In this paper, we propose a sliding mode controller for a MIMO model of flow separation in boundary layers. The model consists in a bilinear system with constant delays in both the state and the… read more here.
Keywords: mode controller; boundary layers; separation boundary; sliding mode ... See more keywords
Global stability behaviour for the BEK family of rotating boundary layers
Sign Up to like & getrecommendations! Published in 2017 at "Theoretical and Computational Fluid Dynamics"
DOI: 10.1007/s00162-016-0406-9
Abstract: Numerical simulations were conducted to investigate the linear global stability behaviour of the Bödewadt, Ekman, von Kármán (BEK) family of flows, for cases where a disc rotates beneath an incompressible fluid that is also rotating.… read more here.
Keywords: bek family; boundary layers; global stability; stability ... See more keywords
Sublayer of Prandtl Boundary Layers
Sign Up to like & getrecommendations! Published in 2017 at "Archive for Rational Mechanics and Analysis"
DOI: 10.1007/s00205-018-1235-3
Abstract: The aim of this paper is to investigate the stability of Prandtl boundary layers in the vanishing viscosity limit $${\nu \to 0}$$ν→0. In Grenier (Commun Pure Appl Math 53(9):1067–1091, 2000), one of the authors proved… read more here.
Keywords: prandtl boundary; boundary layers; stability; sublayer prandtl ... See more keywords
Surface Energy and Boundary Layers for a Chain of Atoms at Low Temperature
Sign Up to like & getrecommendations! Published in 2019 at "Archive for Rational Mechanics and Analysis"
DOI: 10.1007/s00205-020-01587-3
Abstract: We analyze the surface energy and boundary layers for a chain of atoms at low temperature for an interaction potential of Lennard–Jones type. The pressure (stress) is assumed to be small but positive and bounded… read more here.
Keywords: energy boundary; temperature; energy; boundary layers ... See more keywords
New Finite Volume Method for rotating channel flows involving boundary layers
Sign Up to like & getrecommendations! Published in 2017 at "Numerische Mathematik"
DOI: 10.1007/s00211-016-0857-3
Abstract: We investigate in this article the boundary layers appearing in a fluid under moderate rotation when the viscosity is small. The fluid is modeled by the time-dependent rotating Stokes equations also known as the Stokes–Coriolis… read more here.
Keywords: boundary layers; finite volume; channel; volume method ... See more keywords
A new numerical method for singularly perturbed turning point problems with two boundary layers based on reproducing kernel method
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DOI: 10.1007/s10092-016-0196-x
Abstract: In this paper, a simple numerical method is proposed for solving singularly perturbed boundary layers problems exhibiting twin boundary layers. The method avoids the choice of fitted meshes. Firstly the original problem is transformed into… read more here.
Keywords: numerical method; singularly perturbed; reproducing kernel; boundary layers ... See more keywords
Conservation relation of generalized growth rate in boundary layers
Sign Up to like & getrecommendations! Published in 2018 at "Applied Mathematics and Mechanics"
DOI: 10.1007/s10483-018-2394-9
Abstract: The elementary task is to calculate the growth rates of disturbances when the eN method in transition prediction is performed. However, there is no unified knowledge to determine the growth rates of disturbances in three-dimensional… read more here.
Keywords: growth rates; conservation relation; boundary layers; generalized growth ... See more keywords
Experimental Control of Turbulent Boundary Layers with In-plane Travelling Waves
Sign Up to like & getrecommendations! Published in 2018 at "Flow, Turbulence and Combustion"
DOI: 10.1007/s10494-018-9926-2
Abstract: The experimental control of turbulent boundary layers using streamwise travelling waves of spanwise wall velocity, produced using a novel active surface, is outlined in this paper. The innovative surface comprises a pneumatically actuated compliant structure… read more here.
Keywords: control turbulent; experimental control; boundary layers; surface ... See more keywords
Numerical Investigation of High-Speed Turbulent Boundary Layers of Dense Gases
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DOI: 10.1007/s10494-020-00133-1
Abstract: High-speed turbulent boundary layers of a dense gas (PP11) and a perfect gas (air) over flat plates are investigated by means of direct numerical simulations and large eddy simulations. The thermodynamic conditions of the incoming… read more here.
Keywords: boundary layers; velocity; gas; number ... See more keywords