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A Comprehensive Comparison of Higher-Order Moment Equations and DSMC for Force-Driven Poiseuille Gas Flow
- Authors
- Myong, R. S.; Park, J. H.
- Issue Date
- Dec-2010
- Publisher
- AMER INST PHYSICS
- Keywords
- Kinetic theory; rarefied gases
- Citation
- 27TH INTERNATIONAL SYMPOSIUM ON RAREFIED GAS DYNAMICS, 2010, PTS ONE AND TWO, v.1333, no.PART 1, pp 958 - +
- Indexed
- SCIE
SCOPUS
- Volume
- 1333
- Number
- PART 1
- Start Page
- 958
- End Page
- +
- ISSN
- 0094-243X
- Abstract
- The compressible Poiseuille gas flow within a channel driven by uniform body force emerges as a benchmark for testing the higher-order moment equations in the velocity shear dominated flow problems. The various solutions by NCCR theory, DSMC, and R-13 moment theory are compared comprehensively with emphasis on the physical behavior in phase space. Also, a simple method for the validation study of numerical solutions in high non-equilibrium flow problem is proposed. Using the new method, the accuracy of the numerical solutions in the force-driven Poiseuille gas flow, in particular, near the solid wall, is examined.
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