Theoretical Modeling and Simulations of Magnetic Fluids in Gradient Magnetic Fields

Abstract:

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When a magnetic field is applied to magnetic fluids (MF), various structures of MF are formed: chain-like structures in low fields, columnar, lamellar and striped structures in high fields, ellipsoidal structures in pulsed fields, and layered structures in rotating fields. The inner structures and particle distributions of MF in gradient magnetic fields are quite interesting, but very few works have been done on this. In the present study, the effects of magnetic field gradient on the structures of MF are investigated using a two-dimensional Monte Carlo simulation. The results show that a gradient distribution of magnetic particles is formed under gradient magnetic fields. Moreover, with increasing the field gradient, more magnetic particles are pushed to the right region and particle distribution changes from grass-like clusters to needle-like ones.

Info:

Periodical:

Advanced Materials Research (Volumes 146-147)

Edited by:

Sihai Jiao, Zhengyi Jiang and Jinglong Bu

Pages:

1510-1513

DOI:

10.4028/www.scientific.net/AMR.146-147.1510

Citation:

X. L. Peng et al., "Theoretical Modeling and Simulations of Magnetic Fluids in Gradient Magnetic Fields", Advanced Materials Research, Vols. 146-147, pp. 1510-1513, 2011

Online since:

October 2010

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Price:

$35.00

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