Host: The Japan Society of Mechanical Engineers
Name : [in Japanese]
Date : November 07, 2019 - November 08, 2019
In this study, optimal nozzle shape for a cleaning device to removes micro-meter sized particles is considered. This device ejects high-speed air jet into a solid surface and removes the particles adhering the surface. To improve removal performance, it has a nozzle containing a triangular cavity inducing high turbulence. It is important to select optimal nozzle shape to give high removal performance and reduce nozzle manufacturing cost. For the optimal selection, we propose new nozzle shapes with inverted triangular cavity and estimate the removal performance by numerical analysis. The analysis indicates comparable removal moment between conventional nozzle shape and the new shape. The new shape has great advantage in reducing nozzle manufacturing cost.
