Transition to turbulence in a bifurcating airway model

Yoshiro Ueda; Takashi Okaniwa; Kotaro Oka; Kazuo Tanishita

Transition to turbulence in a bifurcating airway model

Yoshiro Ueda, Takashi Okaniwa, Kotaro Oka, Kazuo Tanishita

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

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 language	English
Title of host publication	American Society of Mechanical Engineers, Bioengineering Division (Publication) BED
Pages	181-182
Number of pages	2
Volume	33
Publication status	Published - 1996
Externally published	Yes

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Engineering(all)

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Ueda, Y., Okaniwa, T., Oka, K., & Tanishita, K. (1996). Transition to turbulence in a bifurcating airway model. In American Society of Mechanical Engineers, Bioengineering Division (Publication) BED (Vol. 33, pp. 181-182)

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title = "Transition to turbulence in a bifurcating airway model",

abstract = "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.",

author = "Yoshiro Ueda and Takashi Okaniwa and Kotaro Oka and Kazuo Tanishita",

year = "1996",

language = "English",

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T1 - Transition to turbulence in a bifurcating airway model

AU - Ueda, Yoshiro

AU - Okaniwa, Takashi

AU - Oka, Kotaro

AU - Tanishita, Kazuo

PY - 1996

Y1 - 1996

N2 - 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.

AB - 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.

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M3 - Chapter

AN - SCOPUS:0030395174

VL - 33

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EP - 182

BT - American Society of Mechanical Engineers, Bioengineering Division (Publication) BED

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Transition to turbulence in a bifurcating airway model

Abstract

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