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Proceedings Paper

Node in three-section waveguides driven by Terfenol-D
Author(s): Charles B. Bright
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Paper Abstract

For given displacement amplification ratios, resonant 3- section waveguides are geometrically more compact than simpler taper-only displacement-amplifying waveguides. For resonant 3-section exponential waveguides, an explicit solution is derived for finding the node and the maximum dynamic stress in each section. The node serves as the mounting location for waveguides driven by quarter- wavelength magnetostrictive TERFENOL-D transducers with reaction mass. The waveguide tip is loaded by water begin atomized and propelled for industrial purposes. The relatively broad bandwidth of TERFENOL-D can be exploited to reduce overall sensitivity to impedance mismatches between the waveguide tip and the load.

Paper Details

Date Published: 12 June 2000
PDF: 8 pages
Proc. SPIE 3991, Smart Structures and Materials 2000: Industrial and Commercial Applications of Smart Structures Technologies, (12 June 2000); doi: 10.1117/12.388182
Show Author Affiliations
Charles B. Bright, ETREMA Products, Inc. (United States)


Published in SPIE Proceedings Vol. 3991:
Smart Structures and Materials 2000: Industrial and Commercial Applications of Smart Structures Technologies
Jack H. Jacobs, Editor(s)

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