Shock-wave / turbulent boundary-layer interactions
Turbulence Modeling for Shock Wave/Turbulent Boundary Layer Interactions
... of shock wave turbulent boundary layer interactions and flows with mas- sive separation for complex configurations, relevant to NASA Johnson Space ...equilibrium turbulent ...
215
Investigation of Three-Dimensional Shock-Wave/Turbulent Boundary Layer Interactions.
... Three-Dimensional Shock-Wave/Turbulent Boundary Layer ...a shock-wave train to produce the compression of the intake air necessary for ...of turbulent ...
352
Scaling for steady and traveling shock wave/turbulent boundary layer interactions
... interaction cases, 20 consecutive short-exposure shadow- grams in each run were averaged to one final picture, which corresponds to a time span of 20 ms. The vibration-related displacements from frame to frame were ...
19
Normal shock wave-turbulent boundary layer interactions in transonic intakes at incidence
... Flow velocities are measured using a two component Laser Doppler Velocimetry (LDV) system. Two pairs of coherent laser beams, with a wavelength of 561nm and 532nm respectively, are focused inside the working section to ...
15
Corner effects for oblique shock wave/turbulent boundary layer interactions in rectangular channels
... oblique shock once the desired supersonic flow is ...deployed shock-generator and the upper surface of the tunnel enables the boundary layer on the nozzle block to disappear into the gap and ...
23
Compression Ramp Induced Shock Wave/Turbulent Boundary Layer Interactions on a Compliant Material.
... structure interactions caused by a shock boundary layer interaction unit placed over a rubber surface to explore the potential use of compliant materials towards unsteady shock load ...
74
Developing CFD code and post-processors for shock wave/turbulent boundary layer interactions
... • MC code is used to determine the significance limit c of the coherence estimate: where P is the probability operator, and α is the significance level (here α=99.9%). • Note: A coherence value of 0.25 is “equivalent” ...
51
Numerical simulations of two dimensional and three dimensional shock wave/turbulent boundary layer interactions
... The turbulent structures in this zone are similar with those in the mixing layer, in which the flow is also dominated by the free shear 41 ...fully turbulent in it beginning ...thin layer ...
17
Sharp-Fin Induced Shock Wave/Turbulent Boundary Layer Interactions over a Cylindrical Surface.
... of shock strengths, separation regimes, and distortion magnitudes, extensive work is presented in this manuscript in which the Mach number, fin angle, extent of 3-D relief, and perturbation size are ...
202
Optimal Control of Shock Wave Turbulent Boundary Layer Interactions Using Micro-Array Actuation
... SWBL interactions will be accomplished by the ...“non-bleed” shock wave boundary layer control, both with regards to performance and inlet stability ...
21
Large eddy simulation of shock wave/turbulent boundary layer interactions and its control using Sparkjet
... 2.3 shock-wave generated by an 8° sharp wedge impinging onto a spatially-developing turbulent boundary layer along a flat plate is carried ...
15
CFD designed experiments for shock wave/boundary layer interactions in hypersonic ducted flows
... which boundary layer separation occurs limits the design pa- ...rameters. Shock wave/turbulent boundary layer interactions are a common occurrence in supersonic ...
5
Unsteadiness in shock-wave/boundary layer interactions
... The second family of inflow-generation methods is fundamentally different. The idea here is to prescribe an artificial inflow field which mimics real turbulence (hence the name “synthetic”). The matching is usually ...
278
Numerical Simulation of Shock Wave; Turbulent Boundary Layer Interaction
... For any validation, the van-Driest reworked mean-velocity profile in conjunction with the RMS of Sir Joshua Reynolds stresses in Morkovin scaling at identical stream wise position x =0.15m are conferred and compared with ...
6
On the turbulence amplification in shock-wave/turbulent boundary layer interaction
... a boundary layer transition so that a fully developed turbulent boundary layer is established upstream of the interaction ...nominal boundary layer thickness at the inlet ...
37
Three dimensional shock wave/boundary layer interactions
... the boundary layer from the free stream value at the outer edge to zero at the ...the layer in contact with the wall should be at zero velocity relative to the wall itself due to the no-slip ...the ...
146
Effects of micro-ramps on a shock wave/turbulent boundary layer interaction
... the shock would impinge on the wall in absence of a boundary ...the boundary layer does not recover to its initial state within the field of ...reflected shock, and both deceleration ...
14
Transitional shock-wave/boundary-layer interactions in hypersonic flow
... a shock wave (case S–H). In the case with no shock, the curve shapes are similar and generally follow the form ...with shock impingement, as shown in figure 16(b) where it can be seen that ...
34
Instabilities in oblique shock wave/laminar boundary-layer interactions
... impinging shock wave and laminar boundary layer developing on a flat plate has been analysed using a linear stability approach and numerical ...incident shock angle, Reynolds and Mach ...
36
Shock Wave Turbulent Boundary Layer Interaction in a 2-D Compression Corner
... A computational study has been carried out to analyze the supersonic shock wave turbulent boundary layer interaction in a 2-D compression corner for a free stream Mach number of 2.94. ...
5