schlieren相关论文
The schlieren system plays an important role in the visualization of hypersonic flow fields....
介绍了3种常用的测量横向激励的脉冲气体激光器流场特性的检测方法，即干涉法、纹影法和光线偏折法。利用上述测量方法实现了对一台C......
The transient processes associated with the interaction of a Bunsen flame and nanosecond pulsed discharges(NPD)are e......
Volumetric imaging of flame refractive index,density,and temperature using background-oriented Schli
Volumetric imaging represents one of the major development trends of flow diagnostics due to both the advancement in har......
随着汽车发动机的发展,缸内直喷汽油机(GDI)逐渐成为关注和研究的重点。液体燃料喷雾的结构和蒸发与直喷汽油机内燃烧的稳定性、发......
本文用纹影法研究了汽油掺混30％丁烷(体积比,B30)后在GDI孔式喷射下的喷雾特性,并对喷嘴附近的近场喷雾液相进行了高速摄影研究.丁......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
合成双射流(DSJ)激励器由于自身具有独特的矢量控制特性,为合成射流技术应用于主动流动控制提供了新途径。采用了基于射流核心区速......
Application of Rainbow Schlieren Deflectometry for Jets from Round Laval Nozzles Followed by Cylindr
The jet from a round Laval nozzle followed by a cylindrical duct with an inner diameter of 10 mm and a length of 50 mm i......
激光微推进技术是激光推进技术的重要分支,其主要用于研制一种用于卫星姿轨控的激光微推力器。激光微烧蚀靶材形成的羽流流场演化......
本文介绍了一种能同时探测流场中二维的气流密度梯度,又能任意调节系统灵敏度的彩色纹影技术。其工作光源是一个由红、绿、黄、蓝......
在高超声速风洞试验中,用普通纹影仪配上单次亚微秒火花光源,组成亚微秒火花聚焦阴影系统,同时采用延时同步器控制闪光时间,在同一......
利用纹影技术研究了炸药爆轰后驱动物质的变形过程。为了便于观察，待测物质选取为变形比较大的介质水。实验观察表明，在炸药爆轰作用......
实时记录了不同比例乙醇柴油混合燃料的火蔓延过程,对蔓延火焰的外貌结构、火蔓延模式、火蔓延速度以及油面温升规律等进行了探讨.......
在一台中速直喷式柴油机上，通过高速纹影照相技术直接观察了三种典型伞喷油嘴的喷雾发展及混合气形成过程，分析了不同孔径和不同喷射......
利用光学纹影方法和高速CCD摄影建立了LPG燃料喷雾实验装置，并使用计算机图像处理技术得到了单孔LPG液态自由喷雾的瞬态喷雾特性，包......
为了对喷嘴结构设计及气流工艺参数的调整提供理论依据，采用双反射式纹影仪对激光焊接用喷嘴冷态时的气流流态进行了系统观测，并结合......
为了更好地获取平面叶栅流场试验中的激波数据,提出了基于数字图像处理技术的参数测量与分析方法。对于纹影技术获得的流场序列图......
建立了一套气液传质装置和一套纹影系统对乙醇解吸CO2过程中产生的Marangoni对流结构进行垂直界面方向上的观察，发现解吸过程中近界......
通过纹影光路观察了特定气液传质装置中乙醇吸收CO2过程所引发的Rayleigh对流在垂直界面方向上的发展过程。随着溶质吸收的进行,液......
THE CALCULATION OF THE DENSITY FIELD FROM AXISYMMETRIC SCHLIEREN INTERFEROGRAMS BY THE IMAGE PROCESS
The schlieren interferograms used to be analyzed in a qualitative way. In this paper, by meansof the powerful computatio......
DDGS high speed camera is an improved version of the multisparksystem.In this system the time delay and the frame interv......
将激励装置Hartmann-Sprenger（H-S）管集成到传统物超声速射流装置中,来激励射流剪切层中的大尺度结构,并利用纹影成像对其进行实验研......
通过自行搭建的液体火蔓延实验系统,运用高速纹影摄像技术和数码摄像机实时记录火蔓延的整个过程,分析了表面流和闪火焰出现的成因......
内波的实验室模拟是目前物理海洋学和流体力学研究的热点之一。结合实验室内波的模拟实验，近代光学技术、数字图像获取和计算机数据......
A high frequency arc discharge plasma torch was specially designed for ignition enhancement in scramjet combustor. At fi......
This work used experimental methods to study heat transfer behavior inside a heat pipe and found that heat transfer beha......
A schlieren detection algorithm is proposed for the ground-to-air background oriented schlieren(BOS) system to achieve h......
In this paper, the improved Background Oriented Schlieren technique called CBOS (Colored Background Oriented Schlieren) ......
Quantitative Flow Visualization by Rainbow Schlieren Deflectometry and Pitot Pressure Measurements f
To optimize the leek peeling performance, a new nozzle has been developed in which the nozzle has a design Mach number o......
Three-dimensional density measurement of unsteady flow field around a sphere is carried out in the ballistic range at In......
The interaction flowfield of gaseous jets ejecting from three different orifice configurations into a Mach 5 turbulent c......
本文介绍用阴影、纹影相干涉方法确定等离子体折射系数变化的原理。分析了等离子体中的非线性效应和对光探测系统的基本要求。并简......
The crystalline morphology of a thermotropic aromatic polyester has been studied by microscopy techniques. Spherulites w......
对一个分离后的二维超音速剪切流进行动态纹影——光子相关测量,得到了剪切层中大尺度涡的迁移速度以及由大尺度涡流诱导的剪切层......
Temperature Field Reconstruction in High-Temperature Gas by Using the Colored Background Oriented Sc
A 3D temperature field reconstruction method using the colored background oriented schlieren(CBOS)method is proposed to ......
Study of Flow Field inside a Rectangular Air Intake with Pointed Cowl for Different Back Pressures a
Computations and Experiments were performed to get an understanding of the flow field around a rectangular supersonic ai......
This report deals with introducing two new techniques based on a novel concept of complex brightness gradient in quantit......
Instantaneous three-dimensional (3D) density distributions of a shock-cell structure of perfectly and imperfectly expand......
