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德国LaVision多相流多参量成像测量系统FluidMaster-Multi Phase
品牌德国LaVision
型号FluidMaster-Multi Phase
同类产品图像数据采集分析软件-DaVis(24件)
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所在地欧洲 德国
北京欧兰科技发展有限公司

第1年

企业类型:国有
所在地:北京 海淀区

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更新时间:2024-06-22 09:42:20
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德国LaVision多相流多参量成像测量系统FluidMaster-Multi Phase技术参数
品牌 德国LaVision 型号 FluidMaster-Multi Phase
德国LaVision多相流多参量成像测量系统FluidMaster-Multi Phase详细介绍


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Multi-Parameter Imaging in Multiphase Flows

One of the most prominent example for multiphase flows are bubbles dispersed in water. The interaction of both phases is investigated applying a color-coded dual imaging approach: for flow field imaging in water a green light sheet is used to excite the red fluorescence of the PIV particles seeded to the water, and a blue backlight LED screen is used for shadowgraphy tracking bubble shape, size and velocity. A beam splitter in front of the cameras separates the color-coded information from both phases before detection. The recordings of both channels are synchronized and their fields of view are perfectly matched onto each other applying the image mapping functionality in DaVis.

Imaging in Multiphase Flows
  • PIV w/ fluorescent particles: continous phase flow field

  • time-resolved shadowgraphy: bubble shape, size and velocity

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Dual channel imaging setup for combined PIV and shadow measurements
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Multi-parameter imaging in bubbly flows
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Tomographic Shadow Imaging

Our ParticleMaster 3D Shadowsystems are based on tomographic shadow imaging. Using multiple shadow projections the tomographic reconstruction module in DaViscalculates the position and shape of particles, bubbles and droplets in 3D space. With time-resolved recordings particle trajectories with velocity and acceleration data are measured. 

Time-resolved tomographic shadow imaging was successfully applied in bubbly flows for 3D flow imaging of both phases.


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