油漆,液滴中粒径,速度,荷质比分布,静电旋转钟喷雾模拟检测方案(激光粒度仪)
检测样品
其他
检测项目
粒径,速度,荷质比分布,静电旋转钟喷雾模拟
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共3种
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方案详情文
High-speed electrostatic rotary bells are widely used in the
automotive industry as they provide high quality paint films
with better transfer efficiency compared to air-atomizing guns.
However, due to its highly turbulent spray pattern, transfer
efficiency is still not ideal, i.e. some portion of paint will not
reach intended target surfaces and becomes overspray.
Numerical simulation of the electrostatic spraying process
provides a tool to model this process as well as a way to
optimize transfer efficiency.
Currently, the state-of-the-art simulation model can
simulate the flying trajectories of paint droplets from the edge
of the rotating bell cup to the target surfaces. It requires some
input information to start the simulation. The input information
includes paint droplet size, velocity, and charge-to-mass ratio.
Due to its large number of droplets, distributions based on
droplet diameters are used to represent the entire droplet
population.
This paper describes experimental and mathematical
methods to measure and calculate paint droplet size, velocity,
and charge-to-mass ratio distributions. The resulting
information can then be organized and used as the input data
files for Electrostatic spray painting simulation.
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