Search Results - "Groll, Rodion"

Rarefied gas flow in functionalized microchannels by Kunze, Simon, Perrier, Pierre, Groll, Rodion, Besser, Benjamin, Varoutis, Stylianos, Lüttge, Andreas, Graur, Irina, Thöming, Jorg

“…The interaction of rarefied gases with functionalized surfaces is of great importance in technical applications such as gas separation membranes and catalysis…”
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Characterization of particle-laden jet flows in inertia-dominated regime by Haghshenas, Armin, Groll, Rodion

“…Point-particle large eddy simulations are used to characterize a vertical particle-laden round jet in inertia-dominated regime. Both particle–fluid and…”
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Numerical Study of Plasma-Electrode Interaction During Arc Discharge in a DC Plasma Torch by Liang, Peng, Groll, Rodion

“…Energy transfer within an arc is of crucial importance in numerous applications, such as thermal spraying and electric propulsion (arcjet and…”
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picFoam: An OpenFOAM based electrostatic Particle-in-Cell solver by Kühn, Christoph, Groll, Rodion

“…picFoam is a fully kinetic electrostatic Particle-in-Cell (PIC) solver, including Monte Carlo Collisions (MCC), for non-equilibrium plasma research in the…”
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Dynamic selection limiter schemes for high density gradient simulations of supersonic rarefied gas flows by Groll, Rodion

“…For modelling thrust and efficiency of micro propulsion sytems standard DSMC methods with static collision limiter schemes do not differentiate between regions…”
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The relevance of wall roughness modeling for simulation of powder flows in laser metal deposition nozzles by Haghshenas, Armin, Bohlen, Annika, Tyralla, Dieter, Groll, Rodion

“…Point-particle large-eddy simulations and high-speed imaging are used to investigate effects of wall roughness and particle size on characteristics of a powder…”
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Computational investigation of thermal boundary layers in a turbulent Rayleigh–Bénard problem by Zimmermann, Claudia, Groll, Rodion

“…•We perform a compressible LES for a turbulent Rayleigh–Bénard convection in air.•Density changes are considered in the LES using a…”
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Micro diffuser flow modeling for cold gas propulsion systems by Groll, Rodion

“…The use of highly diluted and hypersonic gas flow is in the scope of application of cold gas thrusters for space applications. Satellites and small spacecrafts…”
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Shear force analysis of an oil-driven grinding tool by Groll, Rodion, KÜhn, Christoph

“…The main goal of the present grinding concept GrindBall is to develop a manufacturing process to machine micro structures on hard and brittle materials, using…”
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Numerical simulation of Argon fuelled self-field magnetoplasmadynamic thrusters using the central-upwind scheme flux interpolations by Chelem Mayigué, Charles, Groll, Rodion

“…In the present paper, we describe the implementation of a density-based scheme including a divergence cleaning method for the simulation of the…”
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Calibrating microfluidic pressure correction functions in Laval nozzle flow by eliminating production accuracy influences by Groll, Rodion, Gomez, Juan

“…The investigated case is a micronozzle flow with Knudsen numbers in the slip‐flow regime near the nozzle throat in vacuum environment. Compared gases are neon,…”
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Computational magneto-hydrodynamic modeling of hypersonic flows with resolved shock wave diffusion by Chelem Mayigue, Charles, Groll, Rodion

“…The present model describes magneto‐hydrodynamic (MHD) effects on diffusing shock waves in compressible flows. The accurateness and the robustness of these new…”
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A density-based method with semi-discrete central-upwind schemes for ideal magnetohydrodynamics by Chelem Mayigué, Charles, Groll, Rodion

“…In the present work, the central-upwind schemes proposed by Kurganov et al. (SIAM J Sci Comput 23:707–740, 2001 ) for hydrodynamics are extended and combined…”
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Simulations on the influence of the spatial distribution of source electrons on the plasma in a cusped-field thruster by Brandt, Tim, Trottenberg, Thomas, Groll, Rodion, Jansen, Frank, Hey, Franz Georg, Johann, Ulrich, Kersten, Holger, Braxmaier, Claus

“…We present results from simulations on the influence of source electrons on the plasma properties in a magnetic cusps environment. Our simulations are based on…”
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picFoam: An OpenFOAM based electrostatic Particle-in-Cell solver by Kühn, Christoph, Groll, Rodion

“…picFoam is a fully kinetic electrostatic Particle-in-Cell(PIC) solver, including Monte Carlo Collisions(MCC), for non-equilibrium plasma research in the…”
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Rarefied gas flow in functionalized microchannels by Kunze, Simon, Perrier, Pierre, Groll, Rodion, Besser, Benjamin, Varoutis, Stylianos, Lüttge, Andreas, Graur, Irina, Thöming, Jorg

“…The interaction of rarefied gases with functionalized surfaces is of great importance in technical applications such as gas separation membranes and catalysis…”
Get full text