Thermoacoustic excitation of sonar projector plates by free-standing carbon nanotube sheets

Journal of Physics D: Applied Physics Volume 47 Number 35, 2014.

Ali E Aliev1, Nathanael K Mayo1, Ray H Baughman1, Dragan Avirovik2, Shashank Priya2, Michael R Zarnetske3 ,  John B Blottman3

1 Alan G MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX 75083, USA and
2 Center for Energy Harvesting Materials and Systems, Virginia Tech, Blacksburg, VA 24061, USA and
3 Sensor and Sonar Syst., Naval Undersea Warfare Ctr., 1176 Howell St., B1170/R109, Newport, RI, USA.

 

Abstract

Carbon nanotube (s) (CNT) generate smooth-spectra sound over a wide frequency range (1–105 Hz) by means of thermoacoustics (TA) projector. The vibrational modes of plates and the compliance of the soft sealing spacers between those plates are studied with the aim of creating efficient, tunable underwater sound generation at relatively low frequencies, 10 Hz–10 kHz.

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Thermoacoustic excitation of sonar projector plates by free-standing carbon nanotube sheets

 

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