Mg Evaporation Consistency via Plasma

Transient Thermal Modeling (COMSOL Multiphysics)

Transient model of magnesium evaporation from a resistively heated tungsten boat. A 0–90 A current sweep drives Joule heating to study temperature fields, phase-change energetics, and evaporation dynamics. Objective: maximize yield uniformity and minimize Mg loss for plasma-assisted nanoparticle synthesis.

COMSOLJoule Heating EvaporationRadiationIR Validation

Core Simulation Features

  • Joule heating: resistive current sweep (0–90 A) drives boat thermal loading.
  • Evaporation model: latent-heat sink at Mg free surface for vaporization.
  • Radiation: Stefan–Boltzmann with view-factor simplifications for cooling.
  • IR validation: thermal camera overlays aligned to COMSOL temperature fields.
Status: convergence tuning Validation: IR overlay in progress Report ETA: June 24
COMSOL thermal field for resistively heated tungsten boat with Mg evaporation at 84 A
Thermal field visualization from COMSOL at 84 A convergence. Output highlights Mg evaporation gradients in a resistively heated tungsten boat.

Selected References

  1. U. Kortshagen et al., Nonthermal Plasma Synthesis of Nanocrystals, Chemical Reviews, 2016. DOI
  2. Wagner et al., Low-Temperature Plasma-Induced Hydrogenation of Mg Nanoparticles, J. Appl. Phys., 2023.
  3. Planned publication on Mg evaporation modeling & thermal optimization.
Updated Oct 2025 | University of California – Riverside Plasma Systems Group