METHOD AND APPARATUS FOR PRODUCING A PLASMA FLOW HAVING A HEATED AND BROADENED PLASMA JET
The method includes directing the jet along the central axis of a downstream induction coil and passing a high frequency alternating current through the coil, so that the outer layers of the plasma jet are heated more than the center thereof, and the average temp. of the jet is increased. A preferre...
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Zusammenfassung: | The method includes directing the jet along the central axis of a downstream induction coil and passing a high frequency alternating current through the coil, so that the outer layers of the plasma jet are heated more than the center thereof, and the average temp. of the jet is increased. A preferred method for producing the plasma jet includes establishing a plasma discharge in a gas flowing along the central axis of a separate, upstream induction coil, by passing a high frequency a.c. through the coil, and directing the gas flow and at least a portion of the plasma discharge through a throated passage to form a plasma jet. |
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