Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/41783
標題: Thermal flow of fluid with magnetic particles in the presence of magnetic field
作者: Chang, C.M.
鄭文桐
Cheng, W.T.
Liu, W.J.
Cheng, H.W.
Huang, C.E.
Du, S.W.
關鍵字: Magnetic fluid
Computational fluid dynamic
Magnetic source
separation
sorter
heat
期刊/報告no:: International Communications in Heat and Mass Transfer, Volume 37, Issue 7, Page(s) 801-808.
摘要: A magnetic fluid is a stable colloidal solution composed of magnetic particles, surfactant, and a carrier fluid. Magnetic fluids have numerous applications. In this study, we used the computational fluid dynamics model to simulate the behavior of a magnetic fluid in a 2-D square under different conditions such as different positions and intensities of the magnetic source. The preliminary model was established and used in conjunction with experimental data obtained from a present study, in order to determine the influence of particle size and mass fraction on fluid behavior. Our results show that particles with a smaller size have better ability to dissipate heat, and a larger mass fraction would provide a stronger driving force which leads to the velocity and temperature profile. We anticipate that our model would be useful to develop newer applications of magnetic fluids and magnetic flow. (C) 2010 Elsevier Ltd. All rights reserved.
URI: http://hdl.handle.net/11455/41783
ISSN: 0735-1933
文章連結: http://dx.doi.org/10.1016/j.icheatmasstransfer.2010.05.006
Appears in Collections:化學工程學系所

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