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Direct numerical simulation of dynamic three-fluid flow
KTH, School of Engineering Sciences (SCI), Physics, Nuclear Power Safety.
2007 (English)In: Progress in Computational Fluid Dynamics, An International Journal, ISSN 1468-4349, Vol. 7, no 2-4, 176-182 p.Article in journal (Refereed) Published
Abstract [en]

Three-fluid flow is characterised by three different interfaces between fluids, which are among the most important issues in a three-fluid flow. The objective of this paper is to track the dynamic interfaces between fluids implicitly and then to computerise the flow hydrodynamics. We use the level-set method for the interface tracking and a high-order Navier-Stokes solver, called Cubic-Interpolated Pseudo-Particle (CIP) algorithm to solve the equation system. Firstly, a two-fluid situation is simulated to demonstrate the capability of the level-set method. Then, as an example, we simulate a drop which is covered by a layer of gas/vapour and is moving in a water pool. The dynamic processes, such as deformation of vapour layer and its detachment from the drop, are simulated.

Place, publisher, year, edition, pages
2007. Vol. 7, no 2-4, 176-182 p.
Keyword [en]
three-fluid flow, level-set method, drop, direct numerical simulation
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-16609DOI: 10.1504/PCFD.2007.013010ISI: 000246284400012ScopusID: 2-s2.0-34249789314OAI: diva2:334651
QC 20100525 QC 20110930Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2011-09-30Bibliographically approved

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Ma, Weimin
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Nuclear Power Safety
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