Phase-locking and suppression states observed in forced synchronization of thermoacoustic oscillator

Hiroaki Hyodo, Tetsushi Biwa

研究成果: Article査読

4 被引用数 (Scopus)

抄録

This report describes an experimental method to find a boundary between a phase-locking state and a suppression state in the Arnold tongue of 1: 1 forced synchronization. A thermoacoustic oscillator in a gas-filled resonance tube is used as a test system. It generates longitudinal acoustic oscillations by imposing an axial temperature difference on the tube. While pressure oscillations synchronous to the external periodic force are observed commonly in these regions, distinctive behaviors are found in the transient phase portraits after the synchronized state is temporarily perturbed. Based on the experimentally obtained results, a saddle-node bifurcation line was discovered in the Arnold tongue of the forced thermoacoustic oscillator. The resulting bifurcation diagram is compared with that of the theoretical model of the thermoacoustic oscillator.

本文言語English
論文番号034402
ジャーナルjournal of the physical society of japan
87
3
DOI
出版ステータスPublished - 2018 1 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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