Title :
Prediction of Inhalation Time/Exhalation Time Ratio During Exercise
Author :
Johnson, Arthur T. ; Masaitis, Ceslovas
Author_Institution :
Agricultural Engineering Department, University of Maryland, College Park, MD 20742.
Abstract :
Using a criterion of minimization of total respiratory work during a complete respiratory cycle, an expression has been derived for prediction of the inhalation time/exhalation time ratio. Comparison of calculated results to experimental data is favorable. The expression also predicts a rectangular waveshape during exercise, and this result agrees well with experimental and theoretical findings previously published.
Keywords :
Acceleration; Agricultural engineering; Feedback; Frequency; Humans; Laboratories; Lungs; Muscles; Predictive models; Respiratory system; Exertion; Humans; Models, Biological; Pulmonary Ventilation; Respiratory Protective Devices; Time Factors;
Journal_Title :
Biomedical Engineering, IEEE Transactions on
DOI :
10.1109/TBME.1976.324647