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Background Oriented Schlieren: BOS Imaging
For the visualization of gas motion based on local refractive index variations Background Oriented Schlieren (BOS, also known as Synthetic Schlieren) is a simple and cost-effective alternative to laser imaging methods, because it doesn’t need any complex illumination device like a laser needed for laser imaging, and it works without seeding the flow.
BOS is a line-of-sight imaging technique and measures locally the density gradient as an integrated value over the line-of-sight. In practice, only a random dot pattern in the background of the flow is imaged with a high resolution camera before and during the test. By comparing the two pictures (or more precisely correlating the two patterns similar to the image correlation in PIV) the local displacement of the background pattern can be used to provide lateral information on path-integrated refractive index variations.
simple flow visualization technique without laser and flow seeding
advanced image correlation technique applied on background target
BOS software module in DaVis for quantitative density (temperature)
imaging in 2D and axisymmetric flows
Tomographic (Tomo) BOS Imaging
LaVision’s Tomo-BOS imaging systems measure quantitatively density or temperature fields in 3D using multiple camera BOS projections. This 3D imaging technique requires an accurate geometrical calibration of the multi-camera system and an iterative tomographic reconstruction algorithm.
instantaneous 3D temperature (density) fields
flexible multi-camera setups
high-speed tomographic BOS imaging for time-resolved measurements
Product Information
FluidMaster Tomographic BOS
Tomographic BOS LaVision GmbH纹影仪FluidMaster-BOS的工作原理介绍
纹影仪FluidMaster-BOS的使用方法?
LaVision GmbHFluidMaster-BOS多少钱一台?
纹影仪FluidMaster-BOS可以检测什么？
纹影仪FluidMaster-BOS使用的注意事项？
LaVision GmbHFluidMaster-BOS的说明书有吗？
LaVision GmbH纹影仪FluidMaster-BOS的操作规程有吗？
LaVision GmbH纹影仪FluidMaster-BOS报价含票含运吗？
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企业名称
北京欧兰科技发展有限公司
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110108003886158
成立日期
2002-06-14
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50000
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公司名称： 北京欧兰科技发展有限公司
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