In-water color particle image velocimetry system and measuring method thereof
A particle image velocimetry and color technology, applied in fluid velocity measurement, velocity/acceleration/impact measurement, measuring devices, etc., can solve the problem of restricting the research level of water flow and sediment, high requirements for light conditions in measurement, and many error vectors in flow field data To achieve the effect of facilitating large-scale promotion and use, improving the accuracy of particle identification and matching, and improving accuracy and efficiency
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[0024] The present invention will be further described below in conjunction with the accompanying drawings.
[0025] Such as figure 1 As shown, a color particle image velocity measurement system in water flow includes a river engineering model 1, colored tracer particles (red tracer particles 2), green tracer particles 3, blue tracer particles 4, color network camera 5, and POE switch 6 and a digital image processing device 7; the colored tracer particles are evenly distributed in the water flow of the river engineering model 1, the color network camera 5 is installed above the water flow surface of the river engineering model 1, and the network camera 5 is connected to the POE switch 6, The POE switch 6 is connected with a digital image processing device 7 . The colored tracer particles are in the shape of an ellipse, and the width of the long axis of the tracer particles is 2 to 4 times the width of the short axis of the tracer particles. The colored tracer particles are d...
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