An airflow energy harvester using diamagnetic levitation structure

被引：2
|
作者：
Zhang, Kun [1 ]
Su, Yufeng [1 ]
Ding, Jianqiao [1 ]
Gong, Qi [1 ]
Duan, Zhiyong [2 ]
机构：
[1] Zhengzhou Univ, Sch Mech Engn, Zhengzhou 450001, Henan, Peoples R China
[2] Zhengzhou Univ, Sch Phys Engn, Zhengzhou 450001, Henan, Peoples R China
来源：
INNOVATIVE SOLUTIONS FOR ENERGY TRANSITIONS | 2019年 / 158卷
基金：
中国国家自然科学基金;
关键词：
Airflow; energy harvester; diamagnetic levitation; magnet rotor;
D O I：
10.1016/j.egypro.2019.01.160
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：
This paper presents an airflow energy harvester based on diamagnetic levitation structure. A magnet rotor with three teeth evenly distributed on the edge was introduced into the energy harvester, which is freely levitated between highly oriented pyrolytic graphite (HOPG) sheets. A simple prototype of the airflow energy harvester was built, and the performance was tested in various airflow speeds. The experiment results show that the proposed harvester can work stably within an airflow speed range from 0.34 m/s to 9.2 m/s. When the airflow speed was 7.8 m/s, a maximum WS induced voltage of 61.7 mV was measured and a maximum power output of 31.1 mu W was achieved. (C) 2019 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：595 / 600
页数：6
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