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Modeling and diagnostics for plasma discharge capillaries.

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  • 1CERN, Geneva, Switzerland.

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|December 25, 2019
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Summary
This summary is machine-generated.

Plasma discharge capillaries are modeled as resistors in RLC circuits. This approach simplifies analysis, incorporating heat and radiation losses, and is validated by spectroscopy diagnostics.

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Area of Science:

  • Plasma Physics
  • Electrical Engineering
  • Computational Modeling

Background:

  • Plasma discharge capillaries are complex systems requiring accurate modeling.
  • Understanding heat and radiation losses is crucial for effective analysis.
  • Spectroscopy is a key diagnostic tool for plasma characterization.

Purpose of the Study:

  • To numerically model plasma discharge capillaries as resistors in an RLC-series circuit.
  • To develop and validate an analytic radial model for thermal equilibrium conditions.
  • To discuss visible spectroscopy techniques for plasma diagnostics and compare with simulations.

Main Methods:

  • Numerical modeling of plasma discharge capillaries within an RLC-series circuit.
  • Development of an analytic radial model incorporating heat and radiation losses.
  • Comparison of models with experimental visible spectroscopy data for atomic and molecular gases.

Main Results:

  • Successful numerical modeling of plasma discharge capillaries as resistors.
  • Validation of the analytic radial model against numerical simulations.
  • Agreement between experimental spectroscopy results and theoretical calculations.

Conclusions:

  • The resistor model provides a simplified yet effective description of plasma discharge capillaries.
  • The analytic radial model offers accurate predictions at thermal equilibrium with radiation corrections.
  • Visible spectroscopy is a valuable technique for validating plasma models.