Amplitude Death in Coupled Thermoacoustic Oscillators

Tetsushi Biwa, Satoshi Tozuka, and Taichi Yazaki
Phys. Rev. Applied 3, 034006 – Published 16 March 2015

Abstract

In order to develop a simple method for preventing unwanted thermally driven acoustic gas oscillations, the amplitude-death phenomenon in thermoacoustic oscillators coupled by dissipative and time-delay coupling is experimentally studied. The coupling is designed and built using a needle valve and a half-wavelength tube. Experimental bifurcation diagrams show that oscillations can be completely stopped even in a system comprising identical oscillators when the oscillators are coupled by both dissipative and time-delay coupling. The effectiveness of this type of coupling is confirmed by numerical calculations.

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  • Received 21 December 2014

DOI:https://doi.org/10.1103/PhysRevApplied.3.034006

© 2015 American Physical Society

Authors & Affiliations

Tetsushi Biwa and Satoshi Tozuka

  • Department of Mechanical Systems and Design, Tohoku University, Sendai 980-8579, Japan

Taichi Yazaki

  • Department of Physics, Aichi University of Education, Kariya 448-8542, Japan

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Vol. 3, Iss. 3 — March 2015

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