Rarefied Gas Dynamics
Description
This open access book presents the proceedings of the 33rd International Symposium on Rarefied Gas Dynamics (RGD33), held in Göttingen, Germany, on July 15-19, 2024. It encompasses applications of space, materials, and propulsion, as well as the basic physics of molecular interactions, gas surface interactions, kinetic theory, astronomical observations, gas transport, multi-phase flows, combustion, non-equilibrium hypersonic gas dynamics, and plasma processing. It covers topics such as Boltzmann and related equations, Monte Carlo methods and numerical solutions, gas-surface interactions, high speed flows, shock waves, nozzle expansions, high altitude aerodynamics, jets and plumes, internal flows and vacuum systems, reactive gas dynamics, rarefied plasmas, MEMs and NEMs, granular flows, and porous media.
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Content
Variational solutions to the coupled Poiseuille and thermal creep problems on the basis of the Boltzmann equation for hard-sphere molecules and Cercignani-Lampis boundary conditions.- Existence and Regularity of Axisymmetric Weak Solutions to the Spatially Homogeneous Landau Equation.- Maxwell-Stefan diffusion model based on moment equations for gas mixtures.- LBM scheme for drift diffusion equations in cold plasma applications.- Comparison of FP and NS Simulations for the RFZ-ST2 Upper Stage.- Effect of Gas-Surface Interactions on Very Low Earth Orbit Mission Operation.- Numerical Analysis of Rarefied Gas Flows Induced by Rotor-Stator Blades.- A Study on Gramian Closures in Bimodal Phenomena.- Numerical study of Grad-14 and 17 moment equations for rarefied polyatomic gases.- Molecular-level simulations of turbulent Couette flow over rough surfaces.- A structure-preserving solver for particle-wave interaction in non-uniform magnetized plasmas.- Challenges using rarefied atmospheric gases as propellant for an RAM-EP system.- Astronomical line polarization through gas transport.