NDLI: Power generation using magnetic nanofluids in millimeter-sized channel with in-phase mode magnetization

Content Provider	IEEE Xplore Digital Library
Author	Kim, I. Lee, J. Lee, S. Jeong, G.
Copyright Year	2015
Description	Author affiliation: LS Cable & Syst., Gumi, South Korea (Jeong, G.) \|\| Biomed. Res. Inst., Korea Inst. of Sci. & Technol., Seoul, South Korea (Lee, S.) \|\| Dept. of Electr. Eng., Kyungpook Nat. Univ., Daegu, South Korea (Kim, I.) \|\| Sch. of Mech. & Automotive Eng., Gangneung-Wonju Nat. Univ., Wonju, South Korea (Lee, J.)
Abstract	Summary form only given. Magnetic nanofluids (MNFs) are an interesting energy harvesting source. Oil- or water-based MNFs include a certain percentage of magnetized nanoparticles (MNPs) and have unique features that vary with the strength of the external electromagnetic field [1]-[3]. For MNFs, it was proved that the electric power generation could be achieved by using waste heat energy [4]. In this work, the flow energy harvesting was experimentally and numerically investigated in a millimeter-sized channel by using an externally applied permanent magnet to control the magnetizing direction of the MNPs. When the MNF flows through a cross-sectional area of the coil loop, the electric current can be obtained by following the Faraday's law because the MNPs act as permanent magnets [5]. When the MNFs are used for flow energy harvesting, the main issue is the in-phase mode alignment of the MNPs magnetization with the coil loop. Although without the in-phase mode the electric power cannot be generated, as the net magnetization of the MNF is zero, most of the previous research works have not considered it. Thus, to implement this mode, we proposed an externally applied magnetic field generated by a cylindrically shaped permanent magnet. Short and closed Teflon tubing with a 3 mm inner diameter, containing the MNF, was located inside long silicon tubing and moved along the positive and negative direction by a pump. Then, the generated voltages were measured and exhibited similar results to those obtained analytically.
Starting Page	1
Ending Page	1
File Size	301105
Page Count	1
File Format	PDF
e-ISBN	9781479973224
DOI	10.1109/INTMAG.2015.7157583
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-11
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Energy harvesting Magnetization Permanent magnets Nanofluidics Nanoparticles Power systems Voltage measurement
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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