Titlebook: Respiratory Biomechanics; Engineering Analysis Mary A. Farrell Epstein,James R. Ligas Conference proceedings 1990 Springer-Verlag New York,

macrophage

Lung Tissue Mechanicsedly branching networks, the pulmonary airways and vasculature. On the alveolar scale (100 μm) the forces in the tissue membranes are heterogeneously oriented. However on a scale that encompasses several alveoli, the macroscopic properties of lung parenchyma can be defined in terms of average stesse

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Pleural Mechanicsrs which form an irregular network with no preferential orientation [1]. Although many physiologic roles have been proposed for this membrane, we limit our focus to the effects of the pleura on lung mechanics. Specifically, what is the relationship between stress and strain for the pleural membrane?

MOTIF

Respiratory Fluid Mechanics and Transporteveral factors contributed to this advance. Detailed measurements of airway geometry from the nasal passages to the alveolar level, made possible by advances in computer-based imaging and microscopy systems, revealed the complex geometry in which gas flow and mass transport take place, even in norma

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Impedance of Laminar Oscillatory Flow Superimposed on a Continuous Turbulent Flow: Application to Rem [11, 12]. Recently, this method has been shown to enable early detection of airway abnormalities in subjects exposed to respiratory irritants [2]. The advantage of this non-invasive method is that it does not require cooperation from the patient, allowing him to breathe spontaneously through a con

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Current Issues in Understanding Acoustic Impedance of the Respiratory System tests are therefore restricted to conscious, cooperative adult humans. Measurements of mechanical, or input acoustic impedance of the respiratory system (.) can be made in animals, non-cooperative adults and children, and infants. The first measurements of ., made in normal human subjects were repo

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疯狂

Interactions Between Lung Mechanics And Gas Transportansport, which refers to the simultaneous bulk flow and diffusion of gases between the airway opening and the alveolar membranes, interacts with lung mechanics in two ways: the movement of gas molecules within each airway branch and airspace is affected by local velocity fields; and the blending of

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织物

Flow Dynamics of the Nasal Passagend humidifying the inspired air. Filtration is achieved primarily by the inertial impaction of airborne particles within the external nose and nasal cavities where the inspired air enters at high velocity and is diverted by abrupt changes in airway direction and geometry [1]. Warming and humidificat

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