AERO-OPTICS

作品数：7被引量：20H指数：2
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相关作者：刘家国杨秋英姜宗福李文煜更多>>
相关机构：北京理工大学国防科学技术大学北京航空航天大学更多>>
相关期刊：《Science China(Physics,Mechanics & Astronomy)》《Science China(Technological Sciences)》《Optoelectronics Letters》《Chinese Physics B》更多>>
相关基金：国家自然科学基金中国航空科学基金国家重点基础研究发展计划更多>>
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A correction method for aero-optics thermal radiation effects based on gradient distribution and dark channel被引量：3
《Optoelectronics Letters》2019年第5期374-380,共7页HONG Han-yu SHI Yu ZHANG Tian-xu LIU Zhao 
supported by the Key Project of National Natural Science Foundation of China(No.61433007);the National Natural Science Foundation of China(Nos.61671337 and 61701353)
In this paper, a new algorithm is proposed to remove the effects of aerodynamic optical thermal radiation from a single infrared image. In this method, the joint probability model of gradient distribution is introduce...
关键词：AERO-OPTICS THERMAL RADIATION effects GRADIENT distribution DARK channel 
Universal form of the power spectrum of the aero-optical aberration caused by the supersonic turbulent boundary layer被引量：1
《Chinese Physics B》2014年第10期118-123,共6页高穹 易仕和 姜宗福 
Project supported by the National Natural Science Foundation of China(Grant No.61008037);the National Basic Research Program of China(Grant No.2009CB724100)
Based on the measurement of one-dimensional （1D） optical path difference （OPD） of the supersonic turbulent bound- ary layer, an analytical form for the power spectrum of the two-dimensional （2D） OPD is obtained ...
关键词：AERO-OPTICS supersonic turbulent boundary layer optical path difference power spectrum 
A three-equation turbulence model for high-speed flows被引量：1
《Science China(Technological Sciences)》2013年第4期803-811,共9页LIU JingYuan 
supported by the National Natural Science Foundation of China (Grant No. 11102079);the Aeronautical Science Foundation of China (Grant No. 20111456005)
Adding a new equation to the two-equation K-turbulence model framework,this paper proposed a three-equation turbulence model to determine the density variance for high-speed aero-optics and high-speed compressible tur...
关键词：high speed turbulence model density variance AERO-OPTICS numerical simulation heat flux SEPARATION 
Temporal evolution of the optical path difference of a supersonic turbulent boundary layer被引量：1
《Chinese Physics B》2013年第1期231-236,共6页高穹 易仕和 姜宗福 何霖 谢文科 
Project supported by the Innovation Research Foundations for Postgraduates of National University of Defense Technology and Hunan Province, China;the National Natural Science Foundation of China (Grant No. 61008037)
The density distribution of a supersonic turbulent boundary layer is measured with the nanoparticle-based planar laser scattering technique, and the temporal evolution of its optical path difference （OPD） in a short...
关键词：AERO-OPTICS supersonic turbulent boundary layer optical transfer function 
Analysing the structure of the optical path length of a supersonic mixing layer by using wavelet methods被引量：1
《Chinese Physics B》2012年第6期344-351,共8页高穹 易仕和 姜宗福 赵玉新 谢文科 
Projected supported by the Innovation Research Foundations for Postgraduates of National University of Defense Technology and Hunan Province;the National Natural Science Foundation of China (Grant No. 61008037)
The nano-particle-based planar laser scattering （NPLS） technique is used to measure the density distribution in the supersonic mixing layer of the convective Mach number 0.12, and the optical path difference （OPL）...
关键词：optical path difference AERO-OPTICS supersonic mixing layer WAVELET coherent struc-tures scaling behavior 
Aero-Optical Characteristics of Supersonic Flow over Blunt Wedge with Cavity Window被引量：1
《Journal of Shanghai Jiaotong university(Science)》2011年第6期742-749,共8页李波 刘洪 
The optical rays that form the image of an object and propagate a supersonic flow over a vehicle are refracted by the density variations.A numerical analysis of the aero-optical characteristics of supersonic flow over...
关键词：AERO-OPTICS supersonic flow blunted wedge cavity window 
An experimental study of aero-optical aberration and dithering of supersonic mixing layer via BOS被引量：13
《Science China(Physics,Mechanics & Astronomy)》2010年第1期81-94,共14页ZHAO YuXin , YI ShiHe, TIAN LiFeng, HE Lin & CHENG ZhongYu College of Aerospace and Material Engineering, National University of Defense Technology, Changsha 410073, China 
Supported by the National Natural Science Foundation of China (Grant No.10672178)
The optical performance of supersonic mixing layer is heavily deteriorated by the aero-optical aberration and dithering of coherent structures, but current measuring methods limit the spatiotemporal resolution in rele...
关键词：AERO-OPTICS SUPERSONIC MIXING LAYER BOS 
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