نتایج جستجو برای: energy harvester
تعداد نتایج: 667855 فیلتر نتایج به سال:
Due to a rapid decrease in fossil fuel resources and ever-growing carbon emissions, clean energy is urgently needed as vital solution. In the past two decades, harvesting from ambient environment has attracted much attention. Flow induced vibration performance of cylinder with fins attached were investigated. Four configurations studied: plain cylinder, windward fins, leeward four fins. These c...
This paper reports the design, fabrication, and testing of a permanent-magnet energy harvester generator for body motion. The described generator was capable to extract up to 117μW of power from walking, employing a non-resonant rotational mechanism. The planar generator proposed is composed of a rotor having multiple NdFeB permanent magnet pole-pairs with an eccentric proof mass. The stator ha...
C. K. Jeong, G.-T. Hwang, D. Y. Park, J. H. Park, Dr. M. Byun, Prof. K. J. Lee Department of Materials Science and Engineering Korea Advanced Institute of Science and Technology (KAIST) 291 Daehak-ro , Yuseong-gu , Daejeon 305-701 , South Korea E-mail: [email protected] Dr. J. Lee, Dr. S. Han, Prof. S. H. Ko Department of Mechanical Engineering Seoul National University 1 Gwanak-ro , Gwanak-g...
Since the requirements in terms of power of the electronic applications range wide, the 11 developed Energy Harvesting (EH) systems limit their availability to the less power demanding 12 applications. However, this paper focuses on increasing the energy levels collected in the EH 13 system so that it can be included in more demanding applications in terms of power. Therefore, an 14 electronic ...
The most promising method for micro scale energy scavenging is via vibration energy harvesting which converts mechanical energy to electrical energy. Using piezoelectric cantilevers is the most common method for vibration energy harvesting. Changing the shape of the cantilevers can lead to changing the generated output voltage and power. In this work vibration energy harvesting via piezoelectri...
This paper reports on a low frequency piezoelectric energy harvester that scavenges energy from a wire carrying an AC current. The harvester is described, fabricated and characterized. The device consists of a silicon cantilever with integrated piezoelectric capacitor and proof-mass that incorporates a permanent magnet. When brought close to an AC current carrying wire, the magnet couples to th...
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