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Droplet oscillations in high gradient static magnetic field

Droplet oscillations in high gradient static magnetic field

Bojarevics, V. and Pericleous, K. ORCID: 0000-0002-7426-9999 (2008) Droplet oscillations in high gradient static magnetic field. Microgravity Science and Technology, 21 (1-2). pp. 119-122. ISSN 0938-0108 (Print), 1875-0494 (Online) (doi:10.1007/s12217-008-9055-y)

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Abstract

In high intensity and high gradient magnetic fields the volumetric force on diamagnetic material, such as water, leads to conditions very similar to microgravity in a terrestrial laboratory. In principle, this opens the possibility to determine material properties of liquid samples without wall contact, even for electrically non-conducting materials. In contrast, AC field levitation is used for conductors, but then terrestrial conditions lead to turbulent flow driven by Lorentz forces. DC field damping of the flow is feasible and indeed practiced to allow property measurements. However, the AC/DC field combination acts preferentially on certain oscillation modes and leads to a shift in the droplet oscillation spectrum.What is the cause? A nonlinear spectral numerical model is presented, to address these problems.

Item Type: Article
Uncontrolled Keywords: droplet oscillations, electromagnetic levitation, property measurements
Subjects: Q Science > QA Mathematics
T Technology > TN Mining engineering. Metallurgy
Q Science > QC Physics
Faculty / Department / Research Group: Faculty of Architecture, Computing & Humanities
Related URLs:
Last Modified: 14 Oct 2016 09:03
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/1201

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