Abstract
The control of state of the abrasive water jet spouting out is very important for the improvement of the accuracy on the processing by the abrasive water jet. However, it is too difficult to know how the jet state is because of the differences of the phenomena caused by the differences on the apparatus, e.g., the nozzle shape, the abrasive supply method, the water flow in the tube. Especially, mixing particles have big influences on the state of the jet flow diffusion and velocity distribution. Therefore, the knowledge of the mixing state of the jet will be necessary. In this study, the transparent mixing nozzle made of acrylic acid resin was used to visualize the mixing state of the jet in it, and the instantaneous photographs of the jet flow in the mixing nozzle were taken in stereo by using two digital cameras and two stroboscopes. After image processing, the distribution of the particles in the mixing nozzle was obtained.
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