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Research on New Style of Piezoelectric-Metal Composite Structure Used in Synthetic Jet Actuator

Author: QianHuangSheng
Tutor: WangBangFeng
School: Nanjing University of Aeronautics and Astronautics
Course: Instrument Science and Technology
Keywords: Synthetic jet Cymbal composite structure ANSYS Modal analysis Harmonic analysis
CLC: TM282
Type: Master's thesis
Year: 2008
Downloads: 38
Quote: 1
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Abstract


Synthetic jet control is a new flow control technology advanced latest years around the world. It can improve the maneuverability of aircraft through stay separation; strengthen or weaken mixture, build“dummy”shape and decrease resistance. This paper regard piezoelectric synthetic jet actuator (PSJA) as the study object and to heighten the actuate ability of the membrane.Based on the summarization of the research actuality and development trend of the SJA, study the character of the plane structure and Cymbal composite structure with solid piezoelectric patch and hollow piezoelectric patch using finite element simulation method. The research indicates that the actuate ability of Cymbal composite structure is obviously better than plane structure. The research also indicates that the actuate ability of Cymbal composite structure with hollow piezoelectric patch is better than Cymbal structure with solid piezoelectric patch. Define four demissionless structure parameters of Cymbal composite structure and optimize the Cymbal composite structure with the best structure distortion as the object. And an optimal structure is obtained. Make different kinds of dimensions experiment object of Cymbal composite structure and plane structure, validity the distortion actuation character and structure optimal results of Cymbal composite structure.

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CLC: > Industrial Technology > Electrotechnical > Electrical materials > Electric and ceramic materials > Piezoelectric ceramics
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