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

被引：74

作者：

Han, Nuomin ^{[1
]}

Zhao, Dan ^{[1
]}

Schluter, Jorg U. ^{[2
]}

Goh, Ernest Seach ^{[3
]}

Zhao, He ^{[4
]}

Jin, Xiao ^{[4
]}

机构：

[1] Nanyang Technol Univ, Sch Mech & Aerosp Engn, Coll Engn, Singapore 639798, Singapore

[2] Deakin Univ, Sch Engn, Waurn Ponds Campus, Geelong, Vic 3217, Australia

[3] Univ British Columbia, Sch Engn, Okanagan Campus, Vancouver, BC V5Z 1M9, Canada

[4] Jiangsu Univ Sci & Technol, Sch Energy & Power Engn, Mengxi Rd 2, Zhenjiang City 212003, Jiangsu, Peoples R China

来源：

APPLIED ENERGY | 2016年 / 178卷

基金：

中国国家自然科学基金;

关键词：

Energy harvesting; Wind energy; 3D printing; Energy conversion; Renewable energy; Wind power; WIND-TURBINE; SYSTEM; POWER; STABILITY; GENERATOR; DESIGN;

D O I：

10.1016/j.apenergy.2016.06.103

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

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 eta(max) 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'. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：672 / 680

页数：9

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