Results 251 to 260 of about 33,047 (316)
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An analytic solution to asymmetrical bending problem of diaphragm coupling
Applied Mathematics and Mechanics, 2008Because rigidity of either hub or rim of diaphragm coupling is much greater than that of the disk, and asymmetrical bending is under the condition of high speed revolution, an assumption is made that each circle in the middle plane before deformation keeps its radius unchanged after deformation, but the plane on which the circle lies has a varying ...
Ru-peng Zhu, Ke-ke Zhu
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Biomimetic optical directional microphone with structurally coupled diaphragms
Applied Physics Letters, 2008A biomimetic directional microphone based on structurally coupled diaphragms and a fiber-optic detection system is presented. The microphone design aims to mimic the fly Ormia Ochracea’s ear structure and capture its performance. Experiments show that the designed microphone amplifies the interaural time difference (ITD) by 4.4 times and has a ...
Miao Yu, Haijun Liu, Xuming Zhang
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Mechanical coupling of the rib cage, abdomen, and diaphragm through their area of apposition
Journal of Applied Physiology, 1991Although volumetric displacements of the chest wall are often analyzed in terms of two independent parallel pathways (rib cage and abdomen), Loring and Mead have argued that these pathways are not mechanically independent (J. Appl. Physiol. 53: 756-760, 1982).
J. T. Dadmun +3 more
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<title>Analysis of coupled diaphragms using coupled-mode theory</title>
SPIE Proceedings, 1999Diaphragm pressure sensors based on silicon micro-machining have advantages of small size and integrability with control electronics to form efficient MEMS applications. In this paper analysis of diaphragm based pressure sensors are presented by deriving the displacement function.
Ananth Selvarajan +2 more
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Fatigue Failure Analysis of Spring Coupling Diaphragm in Wind Power Generator
Journal of Failure Analysis and Prevention, 2021Premature failure of the spring diaphragm of coupling in wind power generator has been frequently reported. The cause of the failure spring diaphragm was analyzed by chemical composition, mechanical property, and microstructure morphology. The results showed that the fatigue failure mode initiated on the surface of the spring diaphragm resulting from ...
Lv Liu +4 more
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On the kinetics of coupled sulfur and oxygen transfer through an ionic diaphragm
Metallurgical Transactions, 1970Turkdogan and Griveson have shown experimentally by use of the coupled S-O reaction in ionic melts that it is possible to transfer sulfur or oxygen from a low to a high chemical potential through an ionic membrane. A new rate expression has been derived by applying the relations of irreversible thermodynamics under the constraint of electrical ...
W. K. Lu, I. Jin
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Free vibrations of sensor diaphragm with residual stress coupled with liquids
Journal of Applied Physics, 2014The free vibrations of a micro-biochemical sensor diaphragm with residual stress in contact with a liquid are analyzed using the Rayleigh-Ritz method in the paper. A mechanics model based on a plate with residual stress is presented and analyzed when the plate vibrates in contact on one side with a liquid. The liquid is assumed to be incompressible and
Shenjie Zhou, Huayong Wu
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The method of matching resonance frequencies in coupled transmitter PVDF/TRFE diaphragms [PDF]
IEEE Transactions on Dielectrics and Electrical Insulation, 2000 The influence of thermal aging on the resonance frequency and electric impedance of polyvinylidenefluoride (PVDF) type polymer films was studied with the aim to apply thermal treatment to modify and tune the parameters of polymer electromechanical transducers.
E. Markiewicz +3 more
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Design Improvement of the Mechanical Coupling Diaphragms for Aerospace Applications#
Mechanics Based Design of Structures and Machines, 2007Abstract This paper entails an in-depth study of commercial mechanical coupling diaphragms, such as Goodrich (Bendix) or Koppers commonly used in aerospace industry. In order to improve the geometric design of these flexible diaphragms, while maintaining structural integrity, finite element analysis is used to parameterize the stress characteristics ...
Kazem Kazerounian, Loc Quang Duong
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Deflection of circular diaphragm-type piezoactuators coupling with gas compression in micropumps
Microsystem Technologies, 2017An analytical solution is formulated to predict the deflection of circular piezoactuators for the sake of gas compression in micropumps. The solution is derived from the energy minimization method and Rayleigh–Ritz method based on the Kirchhoff thin plate theory.
Wen Wang, Xin Liang, Yuanlin Hu
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