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A hybrid level set/VOF method for the simulation of thermal magnetic fluids

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Title: A hybrid level set/VOF method for the simulation of thermal magnetic fluids
Author(s): Bhattacharjee, Pratik; Riahi, Daniel N.
Abstract: Microgravity conditions pose unique challenges for fluid handling and heat transfer applications. By controlling (curtailing or augmenting) the buoyant and thermocapillary convection, the latter being the dominant convective flow in a microgravity environment, significant advantages can be achieved in space based processing. The control of this surface tension gradient driven flow is sought using a magnetic field, and the effects of these are studied computationally. To capture the deformable interface, a numerical method to solve the Navier–Sokes equations, heat equations and Maxwell’s equations was developed using a hybrid level set/volume-of-fluid technique. The method is tested against both analytical and experimental results and was found to be in good agreement. The method was then implement to solve (a) a stationary ferrofluid droplet under the influence of a magnetic field and (b) a rising and falling magnetic droplet under various conditions. The method is shown to be a viable technique to solve such complex multiphase heat transfer problems.
Issue Date: 2005-12
Publisher: Department of Theoretical and Applied Mechanics (UIUC)
Series/Report: TAM Reports 1080, (2005)
Genre: Technical Report
Type: Text
Language: English
URI: http://hdl.handle.net/2142/338
ISSN: 0073-5264
Publication Status: published or submitted for publication
Peer Reviewed: is not peer reviewed
Rights Information: Copyright owned by Pratik Bhattacharjee and Daniel N. Riahi
Date Available in IDEALS: 2007-03-09
 

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  • Theoretical and Applied Mechanics (TAM) Technical Reports
    TAM technical reports include manuscripts intended for publication, theses judged to have general interest, notes prepared for short courses, symposia compiled from outstanding undergraduate projects, and reports prepared for research-sponsoring agencies.

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