Experiments on the instability waves in a supersonic jet and their acoustic radiation

An experimental investigation of the instability and the acoustic radiation of the low Reynolds number axisymmetric supersonic jet has been performed. Hot-...

DK Mclaughlin，GL Morrison，TR Troutt - 《Journal of Fluid Mechanics》

Oblique-mode breakdown and secondary instability in supersonic boundary layers

Laminar鈥搕urbulent transition mechanisms for a supersonic boundary layer are examined by numerically solving the governing partial differential equations....

CL Chang，MR Malik - 《Journal of Fluid Mechanics》

Nonlinear Crossflow Disturbances and Secondary Instabilities in Swept-Wing Boundary Layers

We numerically solve the governing partial differential equations to study nonlinear evolution of crossflow disturbances in incompressible as well as compressible boundary layers. When the amplitude of these disturbances become sufficien...

MR Malik，F Li，CL Chang - Springer Netherlands

The nonlinear instability of the supersonic crossflow vortex

The crossflow instability is an important factor of triggering the turbulent transition in swept wing flows, at present, major works focus on incompressible three-dimensional boundary layer flows. In this paper, the crossflow nonlinear i...

刘刚，江雄 - Aiaa Fluid Dynamics Conference

Effects of Streaky Structures on the Instability of Supersonic Boundary Layers

The crossflow instability is an important factor of triggering the turbulent transition in swept wing flows, at present, major works focus on incompressible three-dimensional boundary layer flows. In this paper, the crossflow nonlinear i...

J Liu，E Marensi，X Wu - IUTAM Laminar-Turbulent Transition

On the modulational instability of large amplitude waves in supersonic boundary layers

On the modulational instability of large amplitude waves in supersonic boundary layersboundary layersmodulation equationsfinite-time singularities...

P Hall，DT Papageorgiou - 《Siam Journal on Applied Mathematics》

Nonlinear Analysis of the First-Mode Dominated Transition in Supersonic Boundary Layers on Natural-Laminar-Flow Wing

Nonlinear stability of three-dimensional supersonic boundary layers on JAXA's experimental airplane called NEXST-1 is investigated for the case in which fi...

Yuki，IDE，Kenji，... - 《Journal of the Japan Society for Aeronautical & Space Sciences》

On the Stability of Supersonic Boundary Layers with Injection

The problem of supersonic flow over a 5 degree half-angle cone with injection of gas through a porous section on the body into the boundary layer is studied experimentally. Three injected gases are used: helium, nitrogen, and RC318 (octa...

BE Schmidt

HOT-WIRE MEASUREMENTS VISUALIZATION OF THE ARTIFICIAL DISTURBANCE EVOLUTION IN 2 D AND 3 D SUPERSONIC BOUNDARY LAYERS

an analysis of the effect of various positions of the roughness and their size for the boundary layer transition downstream but shows some visualization results obtained in the experiments with stickers on flat plate at supersonic speeds....

G. Kolosov，A. Panina