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RSS FeedsSensors, Vol. 19, Pages 3653: Development of a Novel Piezoelectric Harvester Excited by Raindrops (Sensors)

 
 

22 august 2019 17:02:47

 
Sensors, Vol. 19, Pages 3653: Development of a Novel Piezoelectric Harvester Excited by Raindrops (Sensors)
 




The impact of raindrops on a dry surface leads to a splashing phenomenon that dissipates a lot of energy. To improve energy collection, a novel piezoelectric raindrop energy harvester equipped with a spoonful of water was developed. The advantages and the drawbacks of this solution were analyzed with the aid of numerical simulations. A series of experimental tests were carried out in a laboratory with simulated raindrops. Experimental results showed that the negative effect of the added water mass was exceeded by the positive effects related to the impact of the raindrop on a liquid surface. Tests carried out connecting the harvester to a resistive load showed that the prototype was able to collect more energy than a simple cantilever harvester.


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116 viewsCategory: Chemistry, Physics
 
Sensors, Vol. 19, Pages 3654: Toward Cost-Effective Mobile Video Streaming through Environment-Aware Watching State Prediction (Sensors)
Sensors, Vol. 19, Pages 3652: Investigating 2-D and 3-D Proximal Remote Sensing Techniques for Vineyard Yield Estimation (Sensors)
 
 
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