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Title: Inspiratory and expiratory flow from collapsible airbags
Authors: Low, H.T. 
Chew, Y.T. 
Teo, J.
Issue Date: 1988
Citation: Low, H.T.,Chew, Y.T.,Teo, J. (1988). Inspiratory and expiratory flow from collapsible airbags. American Society of Mechanical Engineers, Bioengineering Division (Publication) BED 8 : 131-133. ScholarBank@NUS Repository.
Abstract: The pressure-flow relationship in the respiratory system is investigated using a simple experimental model consisting of two collapsible airbags attached to a simulated trachea-bronchus model. The oscillatory pressure and flow during the simulated breathing cycle were determined. It was found that the expiratory flow exhibit characteristics similar to the lung-recoil phenomenon observed clinically. Another interesting feature is that the pressure and flow are almost 180° out of phase. The resistance to flow due to simulated bronchus-obstruction was also determined and related to the clinical measurement of airway resistance based on the body plethysmograph method.
Source Title: American Society of Mechanical Engineers, Bioengineering Division (Publication) BED
Appears in Collections:Staff Publications

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