The flow over a circular cylinder at ReD= 3900 and 10000 and M= 0.4 is considered a
platform to study the aero-optical distortions by separated shear layers and turbulent wakes …

This work examines the origin of aero-optical aberration in weakly-compressible laminar,
transitional and turbulent shear layers employing a high-fidelity numerical simulation …

This work presents the application of an implicit large-eddy simulation (ILES) approach for
the evaluation of aero-optical distortion in compressible turbulent flows. Flow fields are …

This article provides a critical review of aero-optics with an emphasis on recent
developments in computational predictions and the physical mechanisms of flow-induced …

The aero-optical distortions caused by compressible flows have been used by researchers
for flow diagnostics and accepted by designers of airborne optical systems as a performance …

Analytical criteria are developed to estimate the error of aero-optical computations due to
inadequate spatial resolution of refractive index fields in high Reynolds number flow …

Improved delayed detached eddy simulation is performed to investigate aero-optical
distortions induced by Mach 0.5 flow over a cylindrical turret with a flat window at a Reynolds …

Using large eddy simulation, Mach 0.4 flow over a hemisphere-on-cylinder turret is
simulated to investigate the aero-optical effects caused by turbulent density fluctuations. The …

The optical rays that form the image of an object viewed through an open port in a high-
altitude transonic aircraft are refracted by the unsteady density variations in a compressible …

Compressible large-eddy simulations are carried out to study the aero-optical distortions
caused by Mach 0.5 flat-plate turbulent boundary layers at Reynolds numbers of, 1770 and …