Evaluation on aero-optical transmission effects caused by a vortex in the supersonic mixing layer
Sign Up to like & getrecommendations! Published in 2021 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.126631
Abstract: Abstract For a high-speed infrared guided missile, the supersonic mixing layer over the optic window causes the aero-optical transmission effects such as target image blurring, jittering, and offsetting. The large eddy simulation is used to… read more here.
Keywords: mixing layer; transmission; aero optical; transmission effects ... See more keywords
Scaling law of aero-optical steady-distortion for hemisphere-on-cylinder conformal-window turrets across the subsonic, transonic, and supersonic flows
Sign Up to like & getrecommendations! Published in 2024 at "Physics of Fluids"
DOI: 10.1063/5.0232830
Abstract: Aero-optical steady-distortion reduces the far-field quality of the forward-looking laser beam of an airborne turret. It has a complex relation with the viewing angle of the laser beam and the flow around the turret at… read more here.
Keywords: aero optical; optical steady; subsonic transonic; steady distortion ... See more keywords
Influence of jet components on the aero-optical effects of a 3D supersonic mixing layer.
Sign Up to like & getrecommendations! Published in 2021 at "Applied optics"
DOI: 10.1364/ao.434798
Abstract: Aero-optical effects in the mixing layer have caused significant concern due to the negative influence of high-speed vehicles with infrared imaging guidance systems. Here, we study the influence of different cooling mediums on the aero-optical… read more here.
Keywords: mixing layer; optical effects; large scale; aero optical ... See more keywords
Experimental study on the aero-optical effects of a supersonic mixing layer controlled by the ramp vortex generator array.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.464315
Abstract: As the main structure that induces aero-optical effects, the supersonic mixing layer is an essential structure in hypersonic flight vehicles with optical windows. The aero-optical effects of a Mc=0.17 supersonic mixing layer controlled by the… read more here.
Keywords: optical effects; effects supersonic; supersonic mixing; aero optical ... See more keywords
Influence of RVGA's height on suppressing the aero-optical effects induced by a supersonic mixing layer.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.474401
Abstract: The supersonic mixing layer formed on the surface of hypersonic/supersonic flight vehicles' optical windows is the main structure that induces aero-optical effects (AOEs), which may cause severe imaging degradation. Previous research has found that the… read more here.
Keywords: supersonic mixing; rvga height; mixing layer; aero optical ... See more keywords
Research on aero-optical prediction of supersonic turbulent boundary layer based on aero-optical linking equation.
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.031317
Abstract: With the development of airborne imaging devices on the high-speed vehicle, aero-optical prediction of the turbulent boundary layer has attracted wide publicity. Based on the density distribution of supersonic (Mach 3.0) turbulent boundary layer obtained… read more here.
Keywords: aero optical; boundary layer; turbulent boundary; prediction ... See more keywords
Evaluating imaging quality of optical dome affected by aero-optical transmission effect and aero-thermal radiation effect.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.373020
Abstract: The imaging quality of the aerodynamically heated optical dome was evaluated under the comprehensive influence of aero-optical transmission effect and aero-thermal radiation effect. The ray propagating algorithm based on the fourth order Runge-Kutta method was… read more here.
Keywords: effect; aero optical; thermal radiation; imaging quality ... See more keywords
Analysis of aero-optical effects within supersonic vehicle imaging fields.
Sign Up to like & getrecommendations! Published in 2025 at "Optics express"
DOI: 10.1364/oe.553343
Abstract: With the development of supersonic vehicles, aero-optical effects on imaging have attracted significant attention. However, previous studies have typically concentrated on the paraxial region, with limited consideration given to the influence of aero-optical effects within… read more here.
Keywords: supersonic vehicle; optical effects; aero optical; analysis ... See more keywords
A Flow-Similarity-Based Modeling Method for Aero-Optical Aberrations
Sign Up to like & getrecommendations! Published in 2025 at "Optics Express"
DOI: 10.1364/oe.581898
Abstract: With the increasing speed of vehicles, the influence of aero-optical transmission effects on airborne optical imaging has become increasingly critical. An important aspect of aero-optical aberration research is to develop prediction models that can estimate… read more here.
Keywords: method; aberration; aero optical; optical aberrations ... See more keywords
Aero-Optical Measurements of the Response of a Thin Panel at Mach 6
Sign Up to like & getrecommendations! Published in 2021 at "AIAA Journal"
DOI: 10.2514/1.j060408
Abstract: An experiment was recently conducted in the Air Force Research Laboratory Mach 6 High Reynolds Number Facility to observe the response of a generic vehicle wedge-mounted, thin metallic panel. A Sha... read more here.
Keywords: response; mach; aero optical; optical measurements ... See more keywords