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首页> 外文期刊>Journal of visualization >Experimental investigation of oscillatory air flow in a bronchial tube model with HFOV mode
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Experimental investigation of oscillatory air flow in a bronchial tube model with HFOV mode

机译:HFOV模式的支气管模型中振荡气流的实验研究

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摘要

Mechanical ventilations for artificial respiration have been developed to improve the medical treatment of the patients showing respiratory disorder. In various types of ventilation, High Frequency Oscillatory Ventilation (HFOV) is one of the most effective techniques of medical care for pulmonary disease patients, especially, infants or premature infants. HFOV is a ventilation technique with high breathing rate in comparison with the normal breathing rate. Some successful studies have focused on the effect of treatment using HFOV. However, the mechanism of gas exchange in bronchial tube under the medical treatment by HFOV has not been clarified. In this study, the oscillatory flow in a micro-channel model of bronchial with single bifurcation in HFOV mode has been investigated experimentally with micro Particle Image Velocimetry (micro PIV) technique. The phase averaged velocity profiles changing with the driving frequency of HFOV have been investigated.
机译:已经开发出用于人工呼吸的机械通气以改善显示出呼吸系统疾病的患者的医学治疗。在各种类型的通气中,高频振荡通气(HFOV)是针对肺部疾病患者(尤其是婴儿或早产儿)的最有效的医疗技术之一。 HFOV是一种通气技术,与正常呼吸速率相比,呼吸速率较高。一些成功的研究集中在使用HFOV的治疗效果上。然而,HFOV药物治疗下支气管中气体交换的机理尚未阐明。在这项研究中,已经通过微粒子图像测速技术(micro PIV)对实验进行了研究,研究了HFOV模式下具有单个分叉的支气管微通道模型中的振荡流。研究了随HFOV驱动频率而变化的相位平均速度曲线。

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