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SUMMARY:Determination of zone of flow instability in a gas flow  past a sq
 uare particle in a narrow microchannel
DTSTART;VALUE=DATE-TIME:20121018T150000Z
DTEND;VALUE=DATE-TIME:20121018T153000Z
DTSTAMP;VALUE=DATE-TIME:20261011T080748Z
UID:indico-contribution-189@indico.ipb.ac.rs
DESCRIPTION:Speakers: Kiril Shterev (Institute of Mechanics - BAS)\nRapidl
 y emerging micro-electro-mechanical devices create new potential microflui
 dic applications. Fluid flow regime is important for their design. For a g
 as flow the transition between steady and unsteady regimes occurs at small
  Knudsen number Kn < 0.1 (Kn = l0 / L\, where l0 is the mean free path of 
 the gas molecules and L is the characteristic length). A continuum approac
 h based on the Navier-Stokes-Fourier equations is applicable for this inve
 stigation. On the other the microfluidic application requires the problem 
 to be investigated starting at very low Mach numbers (M=0.1)\, close to in
 compressible regime. This makes pressure based methods very suitable for t
 his investigation. The system of Navier-Stokes-Fourier equations is calcul
 ated numerically using pressure based algorithm SIMPLE-TS 2D. The results 
 are validated by comparison to data obtained by using molecular approach (
 direct simulation Monte Carlo (DSMC) method).\n\nhttps://events.saifa.rs/e
 vent/291/contributions/189/
LOCATION:National Library of Serbia
URL:https://events.saifa.rs/event/291/contributions/189/
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