An Interpretation of Langmuir Probe Floating Voltage Signals in a Cutting Arc

@article{Prevosto2009AnIO,
  title={An Interpretation of Langmuir Probe Floating Voltage Signals in a Cutting Arc},
  author={Leandro Prevosto and H. T. Kelly and Beatriz Mancinelli},
  journal={IEEE Transactions on Plasma Science},
  year={2009},
  volume={37},
  pages={1092-1098}
}
An experimental study of the electrostatic probe floating voltage signals in a cutting arc and its physical interpretation in terms of the arc plasma structure is reported. Sweeping electrostatic probes have been used to register the local floating potential and ion current at 3.5 mm from the nozzle exit in a 30-A arc generated by a high energy density cutting torch with a nozzle bore radius of 0.5 mm and an oxygen mass flow rate of 0.71 g ldr s-1. It is found that the floating potential signal… CONTINUE READING
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