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Performance Analysis of a Piezoelectric Energy Harvesting System
 
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1
Department of Automation, Faculty of Mechanical Engineering, Lublin University of Technology, ul. Nadbystrzycka 36, 20-618 Lublin, Poland
 
2
Aeronautics Faculty, Polish Air Force University, ul. Dywizjonu 303 35, 08-521 Dęblin, Poland
 
3
CMT-Motores Térmicos, Universitat Politécnica de Valéncia, 46022 Valencia, Spain
 
 
Corresponding author
Zbigniew Czyż   

Aeronautics Faculty, Polish Air Force University, ul. Dywizjonu 303 35, 08-521 Dęblin, Poland
 
 
Adv. Sci. Technol. Res. J. 2022; 16(6):179-185
 
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ABSTRACT
This paper analyzes a piezoelectric system made of a smart lead zirconate material. The system is composed of a monolithic PZT (piezoelectric ceramic) plate made of a ceramic-based piezoelectric material. The experiment was conducted on a test stand with a GUNT HM170 wind tunnel and a special measurement system. The developed bluff-body shape mounted on an elastic beam with a piezoelectric was mounted on a mast with arms. Springs were fixed on the arms to limit the movement of the test object. Air flow velocity in the wind tunnel and forced vibration frequencies were changed during the tests. The recorded parameters were an output voltage signal from the piezoelectric element and linear accelerations at selected points of the test object. The highest energy efficiency of the tested system was specified from mechanical vibrations and air flow. The results of the tests are a resonance curve for the tested system and a correlation of RMS voltage and acceleration as a function of the velocity of air flow for the excitation frequency f ranging from 1 to 6 Hz. The tests specified the area where the highest output voltage under the given excitation conditions is generated.
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