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Performance evaluation of 3D printed miniature electromagnetic energy harvesters driven by air flow

Han, Nuomin, Zhao, Dan, Schluter, Jorg U., Goh, Ernest Seach, Zhao, He and Jin, Xiao 2016, Performance evaluation of 3D printed miniature electromagnetic energy harvesters driven by air flow, Applied energy, vol. 178, pp. 672-680, doi: 10.1016/j.apenergy.2016.06.103.

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Title Performance evaluation of 3D printed miniature electromagnetic energy harvesters driven by air flow
Author(s) Han, Nuomin
Zhao, Dan
Schluter, Jorg U.ORCID iD for Schluter, Jorg U. orcid.org/0000-0001-7783-1361
Goh, Ernest Seach
Zhao, He
Jin, Xiao
Journal name Applied energy
Volume number 178
Start page 672
End page 680
Total pages 9
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2016-09-15
ISSN 0306-2619
Keyword(s) energy harvesting
wind energy
3D printing
energy conversion
renewable energy
wind power
Summary As a renewable and non-polluting energy source, wind is used to produce electricity via large-diameter horizontal or vertical axis wind turbines. Such large wind turbines have been well designed and widely applied in industry. However, little attention has been paid to the design and development of miniature wind energy harvesters, which have great potential to be applied to the HVAC (heating, ventilating and air conditions) ventilation exhaust systems and household personal properties. In this work, 10 air-driven electromagnetic energy harvesters are fabricated using 3D printing technology. Parametric measurements are then conducted to study the effects of (1) the blade number, (2) its geometric size, (3) aspect ratio, presence or absence of (4) solid central shaft, (5) end plates, and (6) blade orientation. The maximum electrical power is 0.305 W. To demonstrate its practical application, the electricity generated is used to power 4 LED (light-emitting diode) lights. The maximum overall efficiency ηmax is approximately 6.59%. The cut-in and minimum operating Reynolds numbers are measured. The present study reveals that the 3D printed miniature energy harvesters provide a more efficient platform for harnessing ‘wind power’.
Language eng
DOI 10.1016/j.apenergy.2016.06.103
Field of Research 090699 Electrical and Electronic Engineering not elsewhere classified
091399 Mechanical Engineering not elsewhere classified
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30086976

Document type: Journal Article
Collection: School of Engineering
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Created: Tue, 11 Oct 2016, 14:55:53 EST

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