Fluid dynamics and aero-optics of turrets

S Gordeyev, E Jumper - Progress in Aerospace Sciences, 2010 - Elsevier
A summary of research efforts for last several years on fluid-dynamics and aero-optics of
hemisphere-on-cylinder turrets with flat and conformal windows is presented. The topology …

A critical review on flow and heat transfer characteristics of synthetic jet

P Sharma, PK Singh, SK Sahu, H Yadav - Transactions of the Indian …, 2021 - Springer
Extensive research has been carried out to meet the cooling demand of high heat flux
electrical and electronic devices. Among the emerging cooling technologies, synthetic jet …

Effect of aspect ratio on the flow over a wall-mounted hemispherical turret

S Bhattacharya, A Ahmed - International Journal of Heat and Fluid Flow, 2020 - Elsevier
The effect of aspect ratio on the flow over a hemispherical turret was investigated using Time
Resolved Particle Image Velocimetry (TRPIV) in a water tunnel at a Reynolds number of …

Robust nonlinear aircraft tracking control using synthetic jet actuators

W MacKunis, S Subramanian, S Mehta… - … IEEE conference on …, 2013 - ieeexplore.ieee.org
A robust, nonlinear tracking control strategy is presented for an aircraft equipped with
synthetic jet actuators (SJA). The control law is designed to be easily implementable …

Fluid Dynamics and Aero-Optical Environment Around Turrets.

S Gordeyev, E Jumper - 40th AIAA Plasmadynamics and Lasers …, 2009 - arc.aiaa.org
A summary of research efforts for last several years on fluid-dynamics and aero-optics of
hemisphere-on-cylinder turrets with flat or conformal windows is presented. A topology of …

Numerical investigation of aero-optical effects around the turret based on delayed detached eddy simulation and unsteady Reynolds averaged Navier-Stokes

XT Tan, HY Xu - Proceedings of the Institution of Mechanical …, 2024 - journals.sagepub.com
Delayed Detached Eddy Simulation (DDES) and Unsteady Reynolds Averaged Navier-
Stokes (URANS), based on the two-equation Shear Stress Transport (SST) model, are …

Hybrid control of a turret wake

B Vukasinovic, A Glezer, S Gordeyev, E Jumper… - AIAA journal, 2011 - arc.aiaa.org
TURRETS on airborne platforms are bluff-body protrusions that typically consist of a
spherical cap supported by a matching cylindrical base. They provide convenient housing …

Hybrid flow control of a turret wake, part II: aero-optical effects

S Gordeyev, E Jumper, B Vukasinovic… - 48th AIAA Aerospace …, 2010 - arc.aiaa.org
This paper presents the optical results of using combined passive and active flow control to
improve the aero-optical environments around a conformal-window, hemisphere-oncylinder …

Global unsteady pressure fields over turrets in-flight

NG De Lucca, S Gordeyev, EJ Jumper - 53rd AIAA Aerospace Sciences …, 2015 - arc.aiaa.org
Point pressure measurements were performed on a hemisphere-on-cylinder turret in-flight
and in the wind tunnel at the University of Notre Dame. Measurements were performed at a …

Experimental investigation of an actively controlled three-dimensional turret wake

PR Shea - 2012 - search.proquest.com
Hemispherical turrets are bluff bodies commonly used to house optical systems on airborne
platforms. These bluff bodies develop complex, three-dimensional flow fields that introduce …