Nonlinear Filtering for Low-Velocity Gaseous Microflows

Gaseous flows in microfluidic devices are often characterized by relatively high Knudsen numbers. For such flows, the continuum approximation is not valid, and direct simulation Monte Carlo (DSMC) may be used to find an appropriate solution. For low-velocity flows, where the fluid velocity is much s...

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Veröffentlicht in:AIAA journal 2002-01, Vol.40 (1), p.82-90
Hauptverfasser: Kaplan, Carolyn R, Oran, Elaine S
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description Gaseous flows in microfluidic devices are often characterized by relatively high Knudsen numbers. For such flows, the continuum approximation is not valid, and direct simulation Monte Carlo (DSMC) may be used to find an appropriate solution. For low-velocity flows, where the fluid velocity is much smaller than the mean molecular velocity, large statistical fluctuations in the solution mean that the features of the flow may be obscured by noise in the solution.
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subjects Aerodynamics
Applied fluid mechanics
Exact sciences and technology
Fluid dynamics
Fluidics
Fundamental areas of phenomenology (including applications)
Mechanical engineering
Physics
Velocity
title Nonlinear Filtering for Low-Velocity Gaseous Microflows
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