Velocity profiles in idealized model of human respiratory tract
Brno University of Technology, Department of Thermodynamics and Environmental Engineering, Technicka 2896/2, 190 11 Brno, Czech Republic
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This article deals with numerical simulation focused on velocity profiles in idealized model of human upper airways during steady inspiration. Three r gimes of breathing were investigated: Resting condition, Deep breathing and Light activity which correspond to most common regimes used for experiments and simulations. Calculation was validated with experimental data given by Phase Doppler Anemometry performed on the model with same geometry. This comparison was made in multiple points which form one cross-section in trachea near first bifurcation of bronchial tree. Development of velocity profile in trachea during steady inspiration was discussed with respect for common phenomenon formed in trachea and for future research of transport of aerosol particles in human respiratory tract.
© Owned by the authors, published by EDP Sciences, 2013
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