Transition to turbulence in a bifurcating airway model

Yoshiro Ueda, Takashi Okaniwa, Kotaro Oka, Kazuo Tanishita

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Transition lo turbulence in oscillatory flow has been studied in a bifurcating airway model. Velocities were measured with a two-colour laser-doppler velocimeter. In the parent tube the large velocity gradient of "V" shaped velocity profile produces turbulence near the lube center in the expiratory phase of the flow cycle. On the other hand in the the inspiratory phase of the flow cycle, turbulence occurs in the tube center in the daughter tube.

Original languageEnglish
Pages (from-to)181-182
Number of pages2
JournalAmerican Society of Mechanical Engineers, Bioengineering Division (Publication) BED
Publication statusPublished - 1996

ASJC Scopus subject areas

  • General Engineering


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