کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
732700 893259 2012 11 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Electromagnetic energy harvesting from vibrations induced by Kármán vortex street
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی کنترل و سیستم های مهندسی
پیش نمایش صفحه اول مقاله
Electromagnetic energy harvesting from vibrations induced by Kármán vortex street
چکیده انگلیسی

A new electromagnetic energy harvester for harnessing energy from vibration induced by Kármán vortex street is proposed. It converts flow energy into electrical energy by fluid flow, vortex shedding from a bluff body and electromagnetic induction. An analytical design method for the energy harvester is developed. A prototype of the energy harvester is fabricated and tested. The prototype has a volume of 37.9 cm3. Experimental results show that an output peak-to-peak voltage of nearly 20 mV in average is generated when the excitation pressure oscillates with an amplitude of 0.3 kPa and a frequency of about 62 Hz. By detecting the voltage drop across a matched load, the instantaneous power is determined as 1.77 μW under a pressure fluctuation frequency of 62 Hz and a pressure amplitude of 0.3 kPa in the Kármán vortex street.


► A device for harnessing energy from Kármán vortex street is developed.
► The energy harvester can generate a voltage of nearly 20 mVpp.
► The excitation pressure has an amplitude of 0.3 kPa and a frequency of about 62 Hz.
► The miniaturized device can convert hydraulic energy into electricity.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Mechatronics - Volume 22, Issue 6, September 2012, Pages 746–756
نویسندگان
, , ,