Sources and holes in a one-dimensional traveling-wave convection experiment

  • Luc Pastur
  • , Mark Tiele Westra
  • , Daniel Snouck
  • , Willem van de Water
  • , Martin van Hecke
  • , Cornelis Storm
  • , Wim van Saarloos

Research output: Contribution to journalArticlepeer-review

Abstract

We study dynamical behavior of local structures, such as sources and holes, in traveling-wave patterns in a very long (2 m) heated wire convection experiment. The sources undergo a transition from stable coherent behavior to erratic behavior when the driving parameter [Formula presented] is decreased. This transition, as well as the scaling of the average source width in the erratic regime are both qualitatively and quantitatively in accord with earlier theoretical predictions. We also present results for the holes sent out by the erratic sources.

Original languageEnglish
Pages (from-to)5
Number of pages1
JournalPhysical Review E
Volume67
Issue number3
DOIs
Publication statusPublished - 1 Jan 2003
Externally publishedYes

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