Journal ArticleDOI
Stability and transition of three-dimensional boundary layers
TLDR
The recent progress in three-dimensional boundary-layer stability and transition is reviewed in this paper, focusing on the crossflow instability that leads to transition on swept wings and rotating disks.Abstract:
▪ Abstract The recent progress in three-dimensional boundary-layer stability and transition is reviewed. The material focuses on the crossflow instability that leads to transition on swept wings and rotating disks. Following a brief overview of instability mechanisms and the crossflow problem, a summary of the important findings of the 1990s is given.read more
Citations
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Journal ArticleDOI
Rayleigh–Taylor and Richtmyer-Meshkov instability induced flow, turbulence, and mixing. II
TL;DR: In this article, Zhou et al. presented the initial condition dependence of Rayleigh-Taylor (RT) and Richtmyer-Meshkov (RM) mixing layers, and introduced parameters that are used to evaluate the level of mixedness and mixed mass within the layers.
Journal ArticleDOI
Global Linear Instability
TL;DR: A review of linear instability analysis of flows over or through complex 2D and 3D geometries is presented in this article, where the authors make a conscious effort to demystify both the tools currently utilized and the jargon employed to describe them, demonstrating the simplicity of the analysis.
Journal ArticleDOI
Hypersonic laminar–turbulent transition on circular cones and scramjet forebodies
TL;DR: In this paper, the authors reviewed the literature for transition on circular cones and scramjet forebodies from an experimental point of view, focusing on the effect of laminar-turbulent transition in hypersonic boundary layers.
Journal ArticleDOI
Effects of Roughness on Hypersonic Boundary-Layer Transition
TL;DR: The effect of roughness on hypersonic boundary layer transition has been studied for three primary purposes: to trip a laminar layer to turbulence, to determine whether naturally occurring roughness is expected to cause early transition, and to determine the largest allowable roughness that will not affect the location of transition as mentioned in this paper.
Journal ArticleDOI
Direct Numerical Simulation on the Receptivity, Instability, and Transition of Hypersonic Boundary Layers
Xiaolin Zhong,Xiaowen Wang +1 more
TL;DR: In the 20 years since the review by Kleiser & Zang (1991) on the direct numerical simulation (DNS) of the boundary-layer transition, significant progress has been made on DNS in the hypersonic flow regime and in the spatial DNS approach as discussed by the authors.
References
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Journal ArticleDOI
Local and global instabilities in spatially developing flows
TL;DR: In this article, a review of recent developments in the hydro- dynamic stability theory of spatially developing flows pertaining to absolute/convective and local/global instability concepts is presented.
Journal ArticleDOI
Parabolized stability equations
TL;DR: Parabolized stability equations (PSE) have been used for aerodynamic design of laminar flow control systems as discussed by the authors, and they can be obtained at modest computational expense.
Journal ArticleDOI
Boundary-layer receptivity to freestream disturbances
TL;DR: The boundary-layer receptivity to external acoustic and vortical disturbances is reviewed in this article. But, the authors do not consider the effects of external acoustic or vortic disturbances on the boundary layer.
Journal ArticleDOI
Linear Stability Theory Applied to Boundary Layers
TL;DR: In this article, the authors provide a critical evaluation of linear stability theory for wall-bounded shear flows, with an emphasis on results, not techniques, and deal with applications to different flowfields related to aircraft systems.
Journal ArticleDOI
Boundary layer stability and transition
TL;DR: In this paper, a review of boundary layer stability and transition is given, and the normal modes procedures as they apply to boundary layers are briefly reviewed and the mechanism of instability is discussed.
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