摘要：

In the process of spraying of liquid solid suspension, there are many factors that affect the diameter ( d 32 ) of spray droplet of the suspension, such as suspension pressure, solid content and diameter and density of mini particle The diameter of maximum probability distribution of the spray droplet of suspension was measured with the system of 3D LDV/APV and the process of spraying was recorded with the FASTCAM Super in situ measurement The relationship of d 32 with the suspension pressure and mini particle density is non monotonic,with d 32 decreasing then increasing with suspension pressure and mini particle density, while the d 32 is increasing monotonously with mini particles diameter and solid content in suspension The experiment matched well with the mathematical model in the previous.

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