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Effects of Structural Sizes on the Injection Performances of Piezoelectric Micro-jet

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The injection performances of a general piezoelectric micro-jet are analyzed in this paper. The micro-jet can operate in the first order mode and the fourth order mode, which proves that the micro-jet can work at a higher frequency and lower frequency for different applications. The frequency response curves of the acoustic pressure and particle velocity at the nozzle of the micro-jet with different structural sizes are obtained and the influences of the main structure sizes are analyzed. The influences of structure sizes to the resonance frequencies of the piezoelectric vibrator are studied, and the way to adjust the resonance frequencies is given. In order to get better injection performance in different application conditions, the suggestions on structure sizes are given according to the discussions of the results.
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Document Type: Research Article

Publication date: 2017-01-01

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  • Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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