CLC number: O359
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Received: 2006-03-28
Revision Accepted: 2006-10-17
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XIE Ming-liang, LIN Jian-zhong, XING Fu-tang. On the hydrodynamic stability of a particle-laden flow in growing flat plate boundary layer[J]. Journal of Zhejiang University Science A, 2007, 8(2): 275-284.
@article{title="On the hydrodynamic stability of a particle-laden flow in growing flat plate boundary layer",
author="XIE Ming-liang, LIN Jian-zhong, XING Fu-tang",
journal="Journal of Zhejiang University Science A",
volume="8",
number="2",
pages="275-284",
year="2007",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2007.A0275"
}
%0 Journal Article
%T On the hydrodynamic stability of a particle-laden flow in growing flat plate boundary layer
%A XIE Ming-liang
%A LIN Jian-zhong
%A XING Fu-tang
%J Journal of Zhejiang University SCIENCE A
%V 8
%N 2
%P 275-284
%@ 1673-565X
%D 2007
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2007.A0275
TY - JOUR
T1 - On the hydrodynamic stability of a particle-laden flow in growing flat plate boundary layer
A1 - XIE Ming-liang
A1 - LIN Jian-zhong
A1 - XING Fu-tang
J0 - Journal of Zhejiang University Science A
VL - 8
IS - 2
SP - 275
EP - 284
%@ 1673-565X
Y1 - 2007
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2007.A0275
Abstract: The parabolized stability equation (PSE) was derived to study the linear stability of particle-laden flow in growing blasius boundary layer. The stability characteristics for various Stokes numbers and particle concentrations were analyzed after solving the equation numerically using the perturbation method and finite difference. The inclusion of the nonparallel terms produces a reduction in the values of the critical Reynolds number compared with the parallel flow. There is a critical value for the effect of Stokes number, and the critical Stokes number being about unit, and the most efficient instability suppression takes place when Stokes number is of order 10. But the presence of the nonparallel terms does not affect the role of the particles in gas. That is, the addition of fine particles (Stokes number is much smaller than 1) reduces the critical Reynolds number while the addition of coarse particles (Stokes number is much larger than 1) enhances it. Qualitatively the effect of nonparallel mean flow is the same as that for the case of plane parallel flows.
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