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Quan Wen

A Novel Micro Fluid Kinetic Energy Harvester Based on the Vortex-Induced Vibration Principle and the Piezo Effect

Autor: Quan Wen

ISBN: 978-3-944640-67-9

Seitenzahl: 230

Erscheinungsdatum: 01.01.2016

 

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Produktinformationen "A Novel Micro Fluid Kinetic Energy Harvester Based on the Vortex-Induced Vibration Principle and the Piezo Effect"

In this thesis, a miniaturized energy harvester system is developed. The energy harvester converts fluid kinetic energy into electrical energy without using any rotating components. The working principle of the energy harvester is based on the so called vortex-induced vibration. Such systems have the potential to provide energy for wireless sensor networks in the field of inline measurements for gas, oil or water transportation systems. The theoretical background of the vortex-induced vibration (VIV) is studied. Based on the studies, a fluid-structure interaction simulation is carried out to optimize the structure of the energy harvester. As result, the conversion efficiency is significantly improved, which is experimentally confirmed. A series of demonstrators are manufactured according to the simulation and optimization results. It is tested on a self-constructed test bench. To further improve the performance, an electromagnetic generator is proposed, and therefore, a multimethod demonstrator realized. The demonstrators are working in air flow already at a velocity of 2 m/s, and reach the maximum efficiency at 3.6 m/s. This performance ranks among the best published results and is discussed in detail.
 

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