Aero-optic distortion in transonic and hypersonic turbulent boundary layers

CM Wyckham, AJ Smits - AIAA journal, 2009 - arc.aiaa.org
AERO-OPTICS is the study of the interaction between light and air. More specifically, it is the
study and measurement of the distortion of light propagating through an index of refraction …

Level sets for CFD in aerospace engineering

H Xia, PG Tucker, WN Dawes - Progress in Aerospace Sciences, 2010 - Elsevier
In the past two decades, the level set concept has been extensively explored. The
superiority of the differential level set to other more ad hoc methods as a formal framework …

Effect of flow excitation on aero-optical aberration

M Visbal, D Rizzetta - 46th AIAA Aerospace Sciences Meeting and …, 2008 - arc.aiaa.org
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 …

Aero-optical aberration measuring method based on NPLS and its application

SH Yi, LF Tian, YX Zhao, L He, Z Chen - Chinese Science Bulletin, 2010 - Springer
The existing methods for measuring aero-optical aberration suffer from several problems,
such as low spatiotemporal resolution, sensitivity to environment, and integral effects. A new …

Resolution requirements for aero-optical simulations

A Mani, M Wang, P Moin - Journal of Computational Physics, 2008 - Elsevier
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 …

Numerical simulation of aero-optical aberration through a weakly compressible shear layer

M Visbal - 39th AIAA Fluid Dynamics Conference, 2009 - arc.aiaa.org
This work examines the origin of aero-optical aberration in weakly-compressible laminar,
transitional and turbulent shear layers employing a high-fidelity numerical simulation …

Statistical description of the free-space propagation of highly aberrated optical beams

A Mani, M Wang, P Moin - JOSA A, 2006 - opg.optica.org
The free-space propagation of initially aberrated optical beams is considered with an
emphasis on aero-optical applications. An exact statistical solution of the paraxial wave …

针对气动光学效应的RANS 计算方法研究

闫溟, 史可天, 马汉东 - 空气动力学学报, 2013 - pubs.cstam.org.cn
针对气动光学效应研究的特殊需求, 发展了相应的RANS 计算方法. 首先对常规湍流模型进行
评估, 选出对平均密度空间分布预测较好的湍流模型; 同时发展了光波折射率脉动值的输运方程 …

Measurement of aero-optic distortion in transonic and hypersonic, turbulent boundary layers with gas injection

C Wyckham, S Zaidi, R Miles, A Smits - 36th AIAA Plasmadynamics and …, 2005 - arc.aiaa.org
Here, we summarize the results of our investigation of means for controlling high-speed
flows using helium injection, with particular emphasis on the wavefront distortion of light …

Plasma lens for optical path difference control

BW Neiswander, E Matlis, TC Corke - AIAA journal, 2012 - arc.aiaa.org
DIRECTED energy and laser-communications technology in aerospace applications rely on
the use of adaptive optics (AO) systems for sufficient energy delivery and data transfer. As a …