26 July 2004 Design of membrane actuators based on ferromagnetic shape memory alloy composite for the synthetic jet actuator
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Abstract
A new membrane actuator based on our previous diaphragm actuator was designed and constructed to improve the dynamic performance. The finite element analysis was used to estimate the frequency response of the composite membrane which will be driven close to its resonance to obtain a large stroke. The membrane is made of ferromagnetic shape memory alloy (FSMA) composite including a ferromagnetic soft iron pad and a superelastic grade of NiTi shape memory alloy (SMA). The actuation mechanism for the FSMA composite membrane of the actuator is the hybrid mechanism that we proposed previously. This membrane actuator is designed for a new synthetic jet actuator package that will be used for active flow control technology on airplane wings. Based on the FEM results, the new membrane actuator system was assembled and its static and dynamic performance was experimentally evaluated including the dynamic magnetic response of the hybrid magnet.
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Yuanchang Liang, Minoru Taya, Yasuo Kuga, "Design of membrane actuators based on ferromagnetic shape memory alloy composite for the synthetic jet actuator", Proc. SPIE 5390, Smart Structures and Materials 2004: Smart Structures and Integrated Systems, (26 July 2004); doi: 10.1117/12.540100; https://doi.org/10.1117/12.540100
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KEYWORDS
Actuators

Composites

Magnetism

Shape memory alloys

Iron

Ferromagnetics

Finite element methods

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