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Design of Pulsed Jet On-Off Valve Based on Giant Magnetostrictive Actuator

[+] Author Affiliations
Aihua Meng

Hangzhou Dianzi University, Hangzhou, China

Paper No. MNC2007-21171, pp. 397-401; 5 pages
doi:10.1115/MNC2007-21171
From:
  • 2007 First International Conference on Integration and Commercialization of Micro and Nanosystems
  • First International Conference on Integration and Commercialization of Micro and Nanosystems, Parts A and B
  • Sanya, Hainan, China, January 10–13, 2007
  • Conference Sponsors: Nanotechnology Institute
  • ISBN: 0-7918-4265-7 | eISBN: 0-7918-3794-7
  • Copyright © 2007 by ASME

abstract

The pulsed jet device is a kind of device that can jet rapidly with micro flux. Present jet methods cannot fulfill the requirements of a large-flux, high-speed and stability in some applications. Combining with the character of pulsed jet device and the advantage of high-speed on-off valve, a new kind of micro-flux jet device —pulse jet on-off valve was designed. The basic structure and the working theory of the device were introduced first; then the valve was studied in detail on the basis of the requirements of jet speed and flux, including structure selection, rated pressure computation, dimension designing etc.. The advantages and disadvantages of actuators driven by electromagnetic, piezoelectric and giant magnetostrictive material (GMM) were compared, then GMM was chosen to drive the pulsed jet on-off valve. The flux and jet speed response experiments demonstrated that the pulsed jet on-off valve based on giant magnetostrictive actuator (GMA) could fulfill the requirements of application.

Copyright © 2007 by ASME
Topics: Actuators , Design , Valves

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