Direct simulation methods for low-speed micro-channel flows

Chun Pei Cai, Iain D. Boyd, Jing Fan, Graham V. Candler

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Scopus citations

Abstract

Large statistical scatter and effective pressure boundary conditions are two critical problems in the computation of microchannel flows with the direct simulation Monte Carlo (DSMC) method. To address these issues, an extension of the DSMC-IP (Information Preservation) coupled method is developed from the 1-D case to the 2-D case for microchannel flow. Simulation results in a microchannel flow from DSMC, IP, and numerical and analytical solutions to the Navier-Stokes equations are compared. The DSMC-IP coupled method successfully reduces the large statistical scatter usually obtained with DSMC in such low speed flow systems. It also, provides a suitable implementation of pressure boundary conditions.

Original languageEnglish (US)
Title of host publication30th Fluid Dynamics Conference
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
StatePublished - Jan 1 1999
Event30th Fluid Dynamics Conference, 1999 - Norfolk, United States
Duration: Jun 28 1999Jul 1 1999

Other

Other30th Fluid Dynamics Conference, 1999
CountryUnited States
CityNorfolk
Period6/28/997/1/99

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    Cai, C. P., Boyd, I. D., Fan, J., & Candler, G. V. (1999). Direct simulation methods for low-speed micro-channel flows. In 30th Fluid Dynamics Conference [AIAA-99-3801] American Institute of Aeronautics and Astronautics Inc, AIAA.