Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/94114
Title: Manipulation of ferrofluid droplets using planar coils
Authors: Nguyen, Nam-Trung
Ng, Kon Meng
Huang, Xiaoyang
Keywords: DRNTU::Engineering::Mechanical engineering
Issue Date: 2006
Source: Nguyen, N. T., Ng, K. M., & Huang, X. Y. (2006). Manipulation of ferro fluid droplets using planar coils. Applied Physics Letters, 89(5).
Series/Report no.: Applied physics letters
Abstract: In this letter, the authors report a system for magnetic manipulation of ferrofluid droplets and their dynamic behavior. The magnetic field was generated by an array of planar coils, which were fabricated on a double-sided printed circuit board (PCB). The permanent magnetic moment of the ferrofluid droplet was created by the field of a pair of permanent magnets. The motion of the ferrofluid droplet is further aligned in a virtual channel formed by a pair of planar coils. Two other planar coils on the other side of the PCB drive the droplet along this virtual channel. The direction of the droplet motion can be controlled by reversing the electric current in the coils. Based on the experimental results, a larger droplet size, a lower viscosity of the surrounding medium, and a higher electric current will increase the droplet velocity.
URI: https://hdl.handle.net/10356/94114
http://hdl.handle.net/10220/7858
DOI: 10.1063/1.2335403
Rights: © 2006 American Institute of Physics. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at: DOI: [http://link.aip.org.ezlibproxy1.ntu.edu.sg/link/doi/10.1063/1.2335403].  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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