振り子流を伴う呼吸細気管支モデル内の振動気流実験解析

概要

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The investigation of oscillatory air flow at the zone of respiratory bronchiole in human lungs is important to analyze the ventilation mechanism of human respiration not only in natural breathing but also in artificial breathing. HFOV (High Frequency Oscillatory Ventilation) is one of the artificial ventilation methods, and it is effective for medical care for neonates with respiratory disorder. The ventilation mechanism in HFOV is not simple, and pendelluft is known as one of the ventilation mechanism in it. The generation of pendelluft has been analyzed theoretically and experimentally, however, the practical flow structure of pendelluft has not been experimentally clarified enough. In this report, the flow pattern of pendelluft generated in a micro-channel with multi-bifurcations as a model of respiratory bronchiole has been investigated experimentally by applying micro-PIV technique.
日本実験力学会の論文