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Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/12293

Title: The Numerical and Analytical Analysis of the Diaphragm Deflection Actuated by the Shear Mode Piezoelectric Actuator in Micropump
Authors: Chen, S. C.;Cheng, C. H.;Lin, Yi- Cheng
Contributors: 機電工程系
Keywords: Piezoelectric actuator;Shear mode;Micropump;Numerical solution;Diaphragm deflection
Date: 2004-07
Issue Date: 2012-07-05T07:12:00Z
Abstract: A shear mode piezoelectric actuator is first applied to deflect the rectangular diaphragm of the micropump designed with the
rectangular pressure chamber and the diffuser as the dynamic passive valve. The deflection of the diaphragm and resulting volume
displacement in pressure chamber are analyzed by analytical and numerical method. In order to estimate the maximum actuating
force and deflection of the shear mode piezoelectric actuator, the piezoelectric characteristic curve which represents the relation of central deflection and anti-deflection force under certain actuating voltage is obtained. The diaphragm characteristic curve represents the direct proportion of diaphragm central deflection to action force. By combining the piezoelectric characteristic curve with the diaphragm characteristic curve, the actuated diaphragm central deflection can be obtained under certain actuating voltage. Furthermore, both the linear relations including the diaphragm central deflection in proportion to actuating voltage and the volume displacement in proportion to diaphragm central deflection are obtained.
Relation: Asia-Pacific Conference of Transducers and Micro-Nano Technology (APCOT MNT 2004), Sapporo, Japan, July 4-7, 2004: 1186-1191
Appears in Collections:[機電工程學系] 會議論文

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