Anomalous bubble propagation in elastic tubes

Anomalous bubble propagation in elastic tubes
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弹性管中异常气泡传播

DOI:
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发表时间:
2008
期刊:
影响因子:
--
通讯作者:
A. Juel
A. Juel
中科院分区:
--
文献类型:
--
作者:
A. Heap;A. Juel

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气道重新开放是重要的生理事件,如婴儿的第一次呼吸所例示的,其通过驱动空气手指穿过其充满流体的肺来使高度塌陷的气道膨胀。而气道重新开放的基本模型预测只有一种类型的气泡的稳定传播与一个特性的圆形尖端,我们的实验揭示了一个令人惊讶的选择新的气泡与违反直觉的形状,重新打开强烈崩溃,充满液体的弹性管。我们的多个气泡与气泡压力和速度之间的不连续关系有关,这为建模者带来了令人兴奋的挑战。
Airway reopening is an important physiological event, as exemplified by the first breath of an infant that inflates highly collapsed airways by driving a finger of air through its fluid-filled lungs. Whereas fundamental models of airway reopening predict the steady propagation of only one type of bubble with a characteristic rounded tip, our experiments reveal a surprising selection of novel bubbles with counterintuitive shapes that reopen strongly collapsed, liquid-filled elastic tubes. Our multiple bubbles are associated with a discontinuous relationship between bubble pressure and speed that sets exciting challenges for modelers.
DOI: 10.1115/1.2205370
发表时间: 2006-08-01
影响因子: 1.7
作者:
Bredbenner, Todd L.;Davy, Dwight T.
通讯作者: Davy, Dwight T.
DOI: 10.1152/jappl.1990.69.1.74
发表时间: 1990-07-01
影响因子: 3.3
作者:
GAVER, DP;SAMSEL, RW;SOLWAY, J
通讯作者: SOLWAY, J
离体大鼠肺部气道重新开放压力。
DOI: 10.1152/jappl.1994.76.3.1372
发表时间: 1994
期刊: Journal of applied physiology (Bethesda, Md. : 1985)
影响因子: --
作者:
Naureckas,ET;Dawson,CA;Gerber,BS;Gaver3rd,DP;Gerber,HL;Linehan,JH;Solway,J;Samsel,RW
通讯作者: Samsel,RW