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Section Navigation

  • 1D plasma
    • 1D plasma channel vs 0D reactor on a matched NRP discharge (current & energy)
    • 1D vs 0D on a self-consistent NRP circuit (each closes its own loop)
    • CH4 plasma channel: field pulse on a pre-ionized channel, then relaxation (n_e video)
    • Transient radial conduction vs. the analytical infinite-cylinder solution
    • Channel diameter expansion: 1D model vs engineering law vs experiment
    • Field-driven ionization then relaxation of a 1D plasma channel (n_e video)
    • Energy-equation effect of species diffusion (compressibility + enthalpy diffusion)
    • Transient two-temperature reacting plasma channel
    • 1D plasma channel: operator-split vs monolithic CVODE (same physics)
    • Steady LTE arc column: Cantera 1D solver vs analytical Elenbaas-Heller
  • Cantera
    • Plot the chemical equilibrium of a given initial solution.
    • Interactive Reaction Path Diagrams for CH₄ plasma chemistry.
  • Electric circuit
    • Tutorial 1 — Electrical length: which circuit model does your setup need?
    • Tutorial 2 — TDR: calibrate the cable delay and impedance from echoes.
    • Tutorial 3 — Loop inductance from the current rise into a dummy load.
    • Tutorial 4 — Cable capacitance from the charging transient (no load).
    • Tutorial 5 — The LC-ladder view: why the calibrations are consistent.
  • Input/Output
    • Computing and comparing the properties of an \(CH_4\) plasma.
    • Generates Janev cross section in LXCat format (understandable by Bolsig+).
    • Generates Janev hydrogen cross section in LXCat format (understandable by Bolsig+).
    • Example: Calculating the properties of an \(CH_4\) plasma.
    • Generates minplascalc JSON files for monatomic, diatomic and polyatomic species.
    • Generate NASA9 coefficients for the electronic excited states of an atom.
  • Kinetics
    • Add CHEMKIN transport data to a Cantera YAML file.
    • Plot electron-impact cross sections for atomic hydrogen.
    • Plot Arrhenius and Druyvesteyn rates for a given cross section.
    • Boltzmann plot of the first electronic excited states of carbon.
    • Run Bolsig to compute energy fraction loss in CH₄.
    • Do we get the same equilibrium with and without inverse reactions?
    • Extend NASA9 Temperature Limits for Kinetics
    • Cross sections and reaction rate constant for the ionisation of CH₄ by electrons.
    • Time evolution of the formation of solid carbon in a hydrocarbon mixture.
    • Rempart Mechanism Validation.
  • Mechanism
    • Compute and write dissociative recombination of hydrocarbons.
    • Cross sections and reaction rate constants for the electron impact of hydrocarbon.
    • Build ion-neutral reactions from UMIST into a Cantera YAML file.
    • Build reverse electronic reaction into a Cantera YAML file.
  • Plasma
    • 0D reactor: native C++ vs Python (and the 1D channel collapsed to a single cell).
    • Analysis of Philippe Castera’s circuit.
    • Elenbaas-Heller model for H₂ DC plasma — Cantera numerical solver.
    • Elenbaas-Heller model for H₂ DC plasma.
    • Plot CH₄ average momentum transfer collision frequency.
    • Plot CH₄ average and elastic momentum transfer cross sections.
    • Use Stine-Watson model for a DC thermal plasma in H₂.
    • Analysis of Thor4 generator data.
    • Paschen curve for a Townsend discharge.
  • Radiation properties
    • Plot radiation data vs. temperature for CH4, H2 and N2.
  • Thermodynamic properties
    • Plot the energy cost of producing H₂ from CH₄ as a function of temperature.
    • Plot thermodynamic properties of H₂ vs. temperatures.
    • Plot CH₄ chemical equilibrium vs temperature for various pressures (including solid carbon).
    • Plot CH₄ chemical equilibrium vs temperature for various pressures (at high temperatures).
    • Plot thermodynamic properties of CH₄ vs. temperatures.
    • Plot molar heat capacity of N₂, CH₄, H₂ and Ar vs. temperature.
    • Plot specific heat vs. temperature for different species and thermo data.
  • Transport properties
    • Plot thermodynamic and transport data vs. temperature for a plasma of Air, O2 or N2 in LTE.
    • Plot thermodynamic and transport data vs. temperature for a plasma of H2, O2, N2, Ar, He in LTE.
    • Compare thermal conductivity vs. temperature for a plasma of methane.
    • Plot electrical conductivity vs. temperature for a plasma of methane.
    • Plot transport data vs. temperature for a plasma of hydrogen.
    • Plot transport data vs. temperature for a plasma of methane.
  • Examples
  • Radiation properties

Radiation properties#

Methane and hydrogen radiation properties in Local Thermal Equilibrium (LTE), using the Net Emission Coefficient (NEC) method for now.

Plot radiation data vs. temperature for CH4, H2 and N2.

Plot radiation data vs. temperature for CH4, H2 and N2.

previous

Paschen curve for a Townsend discharge.

next

Plot radiation data vs. temperature for CH4, H2 and N2.

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