The effect of the blade velocity on the compression factor is shown using a Parametric Sweep. The model uses the new Rotating Frame feature, which applies centrifugal and Coriolis forces to the particles, allowing the trajectories to be computed in a noninertial frame of reference that moves with the rotating blades. For users of the Molecular Flow Module, COMSOL Multiphysics ® version 5. Download Version 5.3 CFD Module Updates For users of the CFD Module, COMSOL Multiphysics ® version 5.3 brings a new v2-f turbulence model for simulations over curved surfaces, an algebraic multigrid solver (AMG) that vastly improves solving CFD simulations, and automatic treatment of walls to provide high accuracy in turbulent flows. In this example, the trajectories of gas molecules are computed in the empty space between two rotating blades of a turbomolecular pump. For turbomolecular pumps, in which the blades move at speeds comparable to the thermal speed of the gas molecules, a Monte Carlo approach is needed. (version 5.3a, COMSOL Inc., Stockholm, Sweden) to optimize fluid flow in the.
102 The Rotating Machinery, Turbulent Flow, Algebraic yPlus Interface. The Free Molecular Flow interface available in the Molecular Flow Module is an efficient tool for modeling extremely rarefied gases when the gas molecules move much faster than any geometric entities in the domain. 250 L viral solution was pumped from the top inlet at defined flow rates. COMSOL Particle Tracing Module 6. CONTENTS 5 Interfaces 102 The Rotating Machinery, Laminar Flow Interface.
#Comsol 5.3 stokes flow software
Number density (1/m 3) inside a vacuum chamber fed with a small capillary tube, modeled using half the geometry with a Plane Symmetry.Īpplication Library path for an example that uses the Plane Symmetry boundary condition: Molecular_Flow_Module/Industrial_Applications/differential_pumping New Tutorial: Turbomolecular Pump In COMSOL Multiphysics® software version 5.3, LiveLink for MATLAB® includes new and improved wrapper functions and other improvements.
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