Time-resolved particle image velocimetry
SJ Beresh - Measurement Science and Technology, 2021 - iopscience.iop.org
Time-resolved particle image velocimetry (TR-PIV) has become widespread in fluid
dynamics. Essentially a velocity field movie, the dynamic content provides temporal as well …
dynamics. Essentially a velocity field movie, the dynamic content provides temporal as well …
Effect of passive strut angle on the vortical structures and mixing characteristics of scramjet combustor
Scramjet is considered as the future of high-speed transportation and reusable launch
vehicle for satellite placement. However, the combustion of fuel at supersonic speeds is a …
vehicle for satellite placement. However, the combustion of fuel at supersonic speeds is a …
A dynamic mode decomposition approach for large and arbitrarily sampled systems
F Guéniat, L Mathelin, LR Pastur - Physics of Fluids, 2015 - pubs.aip.org
Detection of coherent structures is of crucial importance for understanding the dynamics of a
fluid flow. In this regard, the recently introduced Dynamic Mode Decomposition (DMD) has …
fluid flow. In this regard, the recently introduced Dynamic Mode Decomposition (DMD) has …
Effect of jet splitting using passive strut on the performance and thermoacoustic characteristics of a scramjet combustor
A scramjet engine offers a potential route to achieve supersonic speeds using airbreathing
engines. Achieving proper mixing and combustion poses a challenge due to the supersonic …
engines. Achieving proper mixing and combustion poses a challenge due to the supersonic …
Numerical investigation of mode competition and cooperation on the combustion instability in a non-premixed combustor
Y Liu, P Liu, Z Wang, G Xu, B Jin - Acta Astronautica, 2022 - Elsevier
The phenomena of combustion instabilities beyond limit cycles caused by the nonlinear
interaction of various instability modes have recently received much attention. This paper …
interaction of various instability modes have recently received much attention. This paper …
Effect of upstream injection and pylon downstream of the cavity on the mixing characteristics
Flame stabilizers employing pylons within scramjet engines are becoming more prominent
for enhancing fuel penetration and mixing. Studies have highlighted the enhanced mixing …
for enhancing fuel penetration and mixing. Studies have highlighted the enhanced mixing …
Global instability and mode selection in flow fields around rectangular prisms
Large-eddy simulations of the unsteady flows around rectangular prisms with chord-to-depth
ratios (B/D) ranging from 3 to 12 are carried out at a Reynolds number of 1000. A particular …
ratios (B/D) ranging from 3 to 12 are carried out at a Reynolds number of 1000. A particular …
Transient characteristics of a typical vacuum ejector—An experimental study
Using simultaneous measurements of unsteady pressures in conjunction with time-resolved
Schlieren images and oil flow visualization, we investigate the characteristics of a typical …
Schlieren images and oil flow visualization, we investigate the characteristics of a typical …
On the modulating effect of three-dimensional instabilities in open cavity flows
Open cavity flows are known to select and enhance locked-on modes or tones. High-energy
self-sustained oscillations arise within the shear layer, impinging onto the trailing edge of the …
self-sustained oscillations arise within the shear layer, impinging onto the trailing edge of the …
Oscillatory characteristics of cavities in supersonic flow
We examine the flow structures, acoustic emissions, and oscillation types for supersonic flow
past a baseline cavity and cavity with a bump. To study these, time-resolved shadowgraph …
past a baseline cavity and cavity with a bump. To study these, time-resolved shadowgraph …