najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМО10.17586/2220-8054-2019-10-3-235-242najo-548Research ArticlePHYSICSФИЗИКАEffect of periodic permeability of lung airways on the flow dynamics of viscous fluidKoriJ.

Roorkee-247667, Uttarakhand

jyotikorii@gmail.comPratibha.

Roorkee-247667, Uttarakhand

Department of Mathematics, Indian Institute of Technology RoorkeeIndia201907082025103235242Copyright © Kori J., Pratibha .., 20252025Kori J., Pratibha ..Kori J., Pratibha ..This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/548

In this study, we aimed to find the effect of periodic permeability on the flow dynamics of an incompressible, Newtonian, viscous and pulsatile flow of air flowing through airway generations 5–10. To solve this problem, we used a generalized Navier Stokes equation by including the Darcy law of a porous media with periodic permeability for the flow of air and Newton equation of motion for the flow of nanoparticles. The finite difference explicit numerical scheme has been carried out to solve the governing nonlinear equations and then computational work is done on MATLAB R2016 by user defined code. After performing numerical computation we found by varying mean permeability of porous media velocity of air and particle increased gradually with axial and radial distance respectively.

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The authors declare that there are no conflicts of interest present.