Tools

OpenFOAM (Open Field Operation and Manipulation) is primarily a C++ toolbox for the customization and extension of numerical solvers for continuum mechanics problems, including computational fluid dynamics (CFD). more...

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For the numerical description of rarefied gas flows, which for example occur in arc jet thrusters under vacuum conditions, direct simulation methods such as DSMC (Direct Simulation Monte Carlo) are commonly used. To validate experiments carried out under these conditions the ZARMdsmcFoam solver is being developed. more...

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For the numerical simulation of the Magnetoplasmadynamics (MPD) Thrusters, a numerical compressible Magnetohydrodynamics (MHD) solvers was recently developed. The numerical proposed method uses the semi-discrete, non-staggered central scheme of Greenshields (Greenschields, 2010) for flux calculation, which is more...

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ZARMplasmaFOAM is a numerical solver based on the standard solver rhoPimpleFOAM provided with OpenFOAM. The solver models the electric arc between cathode and anode in an arcjet propulsion system as a plasma ring using a continuum approach. more...more...

Before the plasma is fully ionized, deviations form kinetic equilibrium are rather common, especially in the fringes of arcs and close to electrodes. As the mobility of electrons in the plasma is much larger than that of ions and atoms, it's easily understood that the kinetic energy gained from electric field will be transferred during ion-electron and atom-electron collision from electrons into atoms and ions. more...more...

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