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Fluidic oscillations as energy source for flow sensors

 
: Ramirez, J.I.; Tonner, F.; Bindel, A.

Tohoku Univ., Sendai:
PowerMEMS 2008 + µEMS 2008. Technical Digest : The 8th International Workshop on Micro and Nanotechnology for Power Generation and Energy Conversion Applications with The 2nd Symposium on Micro Environmental Machine Systems. 9-12 November, 2008, Sendai, Japan
Sendai/Japan, 2008
S.81-84
Workshop on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS) <8, 2008, Sendai>
Symposium on Micro Environmental Machine Systems (µEMS) <2, 2008, Sendai>
Englisch
Konferenzbeitrag
Fraunhofer TEG ()
fluidic oscillator; energy harvesting; wireless sensor node; Oszillator; Sensor; piezoelektrischer Aufnehmer

Abstract
Fluidic oscillations can be used as an energy source for self-sufficient sensors. We designed, simulated and tested a fluidic oscillator based on the Coanda effect. It is able to work within media like air and water. Preliminary measurements show that our oscillator can harvest approximately 150 µW of power by coupling a piezoelectric chamber to one of ots channels. Future work will be focused on optimization of oscillators woth the help of an automation tool in order to offer an integrated self-sufficient wireless sensore node.

: http://publica.fraunhofer.de/dokumente/N-87589.html