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http://dx.doi.org/10.3795/KSME-B.2006.30.7.630

Numerical Simulation of Stratified Taylor-Couette Flow  

Hwang Jong-Yeon (인하대학교 기계기술공동연구소)
Yang Kyung-Soo (인하대학교 기계공학부)
Kim Dong-Woo (인하대학교 대학원)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.30, no.7, 2006 , pp. 630-637 More about this Journal
Abstract
The flow regimes for a Taylor-Couette flow with a stable, axial stratification in density are investigated using numerical simulation. The flow configuration identical to that in the experiment of Boubnov, et al. (1995) is considered in the present research. The main objectives of this investigation are to verify the experimental and numerical results carried out by Boubnov, et al. and Hua et al. (1997), respectively, and to further study the detailed flow fields and flow bifurcations. With increasing buoyancy frequency of the fluid (N), the stratification-dominated flow regime, called the S-regime, is observed. It is also confirmed that the important effect of an axial density stratification is to stabilize the flow field. The present numerical results are in good agreement with Boubnov, et al. and Hua et al.'s observations.
Keywords
Stratified flow; Taylor Vortex; Growth Rate;
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