Steady and unsteady coupling in twin weakly underexpanded round jets

TYM Wong, MN Stavropoulos, JR Beekman… - Journal of Fluid …, 2023 - cambridge.org
We investigate the intermittency of the coupling behaviour in screeching twin round
supersonic jets at low Mach numbers across a range of nozzle spacings. Application of …

[HTML][HTML] Implicit large eddy simulation of acoustic loading in supersonic turbulent boundary layers

K Ritos, IW Kokkinakis, D Drikakis, SM Spottswood - Physics of Fluids, 2017 - pubs.aip.org
This paper investigates the accuracy of implicit large eddy simulation in the prediction of
acoustic phenomena associated with pressure fluctuations within a supersonic turbulent …

Multiscale vortex characteristics of dynamic stall from empirical mode decomposition

PJ Ansell, K Mulleners - AIAA journal, 2020 - arc.aiaa.org
The multiscale development of dynamic stall was studied using a scale-based modal
analysis technique. Time-resolved velocity field data around an airfoil during dynamic stall …

Separation of unsteady scales in a mixing layer using empirical mode decomposition

PJ Ansell, MJ Balajewicz - AIAA journal, 2017 - arc.aiaa.org
Empirical mode decomposition has been shown to be a valuable data analysis tool in a
wide array of technical fields, and it has recently emerged as a useful technique for studying …

Data-Driven Analysis Methodologies for Unsteady Aerodynamics from High Fidelity Simulations

AT Mohan - 2017 - rave.ohiolink.edu
Numerical methods and computational approaches for studying fluid flow have become
increasingly popular and more mature in their capabilities since the 1960s, when the …

Investigation of Flow Dynamics of a Subsonic Circular to Rectangular Jet

S Sengupta - 2016 - rave.ohiolink.edu
Abstract Large Eddy Simulation based investigation is performed on a circular to rectangular
Mach 0.226 jet to understand the effect of the non-axisymmetric geometry on the jet flow …