1406 衝突噴流の制御

概要

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An impinging jet is available to wide application for cooling, heating, spraying and cutting etc. Advantages using the impinging jets to processing are simple mechanism and setting and having wide range processing. One of the examples using the impinging jets is the sandblasting technique that the gas-solid flows impinge on the works to process the surface of those. In the past, the characteristics of the technique using the gas-solid impinging jet depend on the length between the sandblasting nozzle and the works. In the present investigation, control methods by means of the thin control pipe for that case are developed and the flow fields are investigated. The thin control pipe is set on the center of the nozzle and high-pressured air on the plate is pulled out. The distributions of static pressure on the plate and the velocity fields can be controlled by the thin control pipe and very small control flow rates.
一般社団法人日本機械学会の論文
2003-08-05