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| Abstract |
The flow condition of the transferred arcjet for the dross-free cutting in sheet-metal shape cutting is investigated with the spectroscopic technique. The electron density measurement shows that the t...wo flow patterns exist depending on the flow rate that is a function of the discharge current. For the flow rate lower than the critical value, the flow is considered laminar, whereas for the higher flow rate, it is turbulent. It is also found from the cutting experiment that the dross-free cutting is obtained when the flow is laminar. The empirical formula for the dross-free cutting is suggested as a function of the specific energy of the arcjet.show more
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