A selected review of vortex identification methods with applications
In the present review, recent progress on the vortex identification methods are introduced
with a focus on the newly proposed omega method (Ω method). The advantages of Ω …
with a focus on the newly proposed omega method (Ω method). The advantages of Ω …
Low-frequency unsteadiness of shock-wave/boundary-layer interaction in an isolator with background waves
Z Wang, J Chang, W Hou, D Yu - Physics of Fluids, 2020 - pubs.aip.org
Low-frequency unsteadiness is investigated through wind tunnel experiments and numerical
simulations of the internal flow in a supersonic isolator with background waves generated by …
simulations of the internal flow in a supersonic isolator with background waves generated by …
An objective version of the Rortex vector for vortex identification
J Liu, Y Gao, C Liu - Physics of Fluids, 2019 - pubs.aip.org
Vortices are a ubiquitous natural phenomenon, and their structure, shape, and
characteristics should be independent of the observer, which implies that the vortex …
characteristics should be independent of the observer, which implies that the vortex …
On the wake structure of a micro-ramp vortex generator in hypersonic flow
D Sun, J Chen, C Li, P Liu, Q Guo, X Yuan - Physics of fluids, 2020 - pubs.aip.org
In this paper, a direct numerical simulation is performed to study the wake structures of a
micro-ramp vortex generator in the hypersonic flow. The whole evolution process of vortical …
micro-ramp vortex generator in the hypersonic flow. The whole evolution process of vortical …
Direct numerical simulation of effects of a micro-ramp on a hypersonic shock wave/boundary layer interaction
D Sun, Q Guo, C Li, P Liu - Physics of Fluids, 2019 - pubs.aip.org
A direct numerical simulation study is performed on the hypersonic shock wave/boundary
layer interaction controlled by using a microramp vortex generator (MVG). The mean …
layer interaction controlled by using a microramp vortex generator (MVG). The mean …
Objective Omega vortex identification method
J Liu, Y Gao, Y Wang, C Liu - Journal of Hydrodynamics, 2019 - Springer
A new vortex identification method (Liu et al. 2016) was proposed to represent the rotation
relative strength and capture and visualize the vortices in our previous study. The basic idea …
relative strength and capture and visualize the vortices in our previous study. The basic idea …
Galilean invariance of Omega vortex identification method
J Liu, Y Wang, Y Gao, C Liu - Journal of Hydrodynamics, 2019 - Springer
In the new vortex identification method (Liu et al. 2016) to represent the rotation level and
capture and visualize the vortices, proposed in our previous study, the independence of the …
capture and visualize the vortices, proposed in our previous study, the independence of the …
[图书][B] Liutex and its applications in turbulence research
Liutex and Its Applications in Turbulence Research reviews the history of vortex definition,
provides an accurate mathematical definition of vortices, and explains their applications in …
provides an accurate mathematical definition of vortices, and explains their applications in …
Micro-ramp control for shock train structure and oscillation
Z Wang, J Chang, C Kong, Y Li - AIAA Journal, 2021 - arc.aiaa.org
Micro-ramps for shock train control were investigated experimentally in a Mach 1.85
supersonic isolator flow using three device heights. A mechanical flap was mounted …
supersonic isolator flow using three device heights. A mechanical flap was mounted …
Study on vorticity structures in late flow transition
X Dong, G Dong, C Liu - Physics of Fluids, 2018 - pubs.aip.org
A focus is presented on the investigation of vorticity generation and development and the
vorticity structures inside/outside of a vortex. A vortex cannot be directly represented only by …
vorticity structures inside/outside of a vortex. A vortex cannot be directly represented only by …