ChemPlasKin: a general-purpose program for unified gas and plasma kinetics simulations
arxiv(2024)
Abstract
This work introduces ChemPlasKin, a freely accessible solver optimized for
zero-dimensional (0D) simulations of chemical kinetics of neutral gas in
non-equilibrium plasma environments. By integrating the electron Boltzmann
equation solver, CppBOLOS, with the open-source combustion library, Cantera, at
the source code level, ChemPlasKin computes time-resolved evolution of species
concentration and gas temperature in a unified gas-plasma kinetics framework.
The model allows high fidelity predictions of both chemical thermal effects and
plasma-induced heating, including fast gas heating and slower
vibrational-translational relaxation processes. Additionally, a new heat loss
model is developed for nanosecond pulsed discharges, specifically within
pin-pin electrode configurations. With its versatility, ChemPlasKin is
well-suited for a wide range of applications, from plasma-assisted combustion
(PAC) to fuel reforming. In this paper, the reliability, accuracy and
efficiency of ChemPlasKin are validated through a number of test problems,
demonstrating its utility in advancing gas-plasma kinetic studies.
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