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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/34687
Record Status
Checked
Record Id
34687
Title
Comparison between Navier-Stokes and DSMC calculations for low Reynolds number slip flow past a confined microsphere
Contributors
SK Stefanov
,
RW Barber (CCLRC Daresbury Lab.)
,
M Ota
,
DR Emerson (CCLRC Daresbury Lab.)
Abstract
In the present investigation, slip-continuum and molecular (DSMC) flow models have been used to compare the drag coefficient on a confined microsphere over a range of Knudsen numbers between 0.01 and 0.4. The simulations consider a fixed Reynolds number (Re=0.125) and a range of blockage ratios from 2.0 up to 13.0. Two separate problem formulations have been studied; the first considers flow past a confined sphere moving with a constant velocity along the central axis of the pipe while the second considers Poiseuille flow past a stationary confined sphere. Finally, their combination - the case of a confined sphere moving within the carrier Poiseuille flow is investigated using the DSMC method.
Organisation
CCLRC
,
CSE
,
CSE-CEG
Keywords
particle
,
rarefied-gas
,
motion
,
simulation
Funding Information
Related Research Object(s):
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Language
English (EN)
Type
Details
URI(s)
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Year
Journal Article
AIP Conf Proc
762, no. 1 (2005): 701-706. Is in proceedings of: 24th International Symposium on Rarefied Gas Dynamics (RGD 24), Monopoli, Italy, 10-16 Jul 2004.
doi:10.1063/1.1941617
2005
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