Thermodynamical mode selection rule observed in thermoacoustic oscillations

T. Biwa, Y. Ueda, T. Yazaki, U. Mizutani

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)


A gas column in a tube with a temperature gradient spontaneously begins to oscillate when it is driven away from equilibrium. We observed a transition from the standing- to the traveling-acoustic-wave modes through a quasiperiodic state using a looped tube attached to a resonator. Through the measurements of entropy flow, we experimentally propose a thermodynamical mode selection rule, which acts as a guiding principle for a sequence of unstable modes appearing in nonequilibrium systems.

Original languageEnglish
Pages (from-to)363-368
Number of pages6
JournalEurophysics Letters
Issue number3
Publication statusPublished - 2002 Nov 1
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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