Design of membrane actuators based on ferromagnetic shape memory alloy composfte for the synthetic jet actuator

被引：3
|
作者：
Liang, YC [1 ]
Taya, M [1 ]
Kuga, Y [1 ]
机构：
[1] Univ Washington, Dept Engn Mech, Ctr Intelligent Mat & Syst, Seattle, WA 98195 USA
来源：
SMART STRUCTURES AND MATERIALS 2004: SMART STRUCTURES AND INTEGRATED SYSTEMS | 2004年 / 5390卷
关键词：
shape memory alloy; active flow control; ferromagnetic; synthetic jet; superelasticity; martensitic; transformation; hybrid mechanism; composite; hybrid magnet;
D O I：
10.1117/12.540100
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new membrane actuator based on our previous diaphrapm 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.
引用
收藏
页码：268 / 275
页数：8
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