<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Lungs are used as an attractive possibility for administration of different therapeutic substances for a long time. An innovative method of such administration widely studied nowadays is the application of aerosolized magnetic particles as the carriers to the lungs in the external non-homogeneous magnetic field. For these reasons we have studied dynamics of such a system on a level of particle trajectory in air in the presence of magnetic force as a driving force exerted on micrometric magnetic particle. On two typical examples of magnetically driven systems—motion of magnetic particle in a gradient magnetic field and cyclotron-like motion of a charged particle in homogeneous magnetic field in microscale, where the external accelerating forces are very large and the relevant time scale is of the order from fraction of milliseconds to seconds, we have examined the importance of these forces. As has been shown, for particles with high initial acceleration, not only the commonly used Stokes force but also the Basset history force should be used for correct description of the motion.</p></abstract>

Lungs are used as an attractive possibility for administration of different therapeutic substances for a long time. An innovative method of such administration widely studied nowadays is the application of aerosolized magnetic particles as the carriers to the lungs in the external non-homogeneous magnetic field. For these reasons we have studied dynamics of such a system on a level of particle trajectory in air in the presence of magnetic force as a driving force exerted on micrometric magnetic particle. On two typical examples of magnetically driven systems—motion of magnetic particle in a gradient magnetic field and cyclotron-like motion of a charged particle in homogeneous magnetic field in microscale, where the external accelerating forces are very large and the relevant time scale is of the order from fraction of milliseconds to seconds, we have examined the importance of these forces. As has been shown, for particles with high initial acceleration, not only the commonly used Stokes force but also the Basset history force should be used for correct description of the motion.

Importance of Basset History Force for the Description of Magnetically Driven Motion of Magnetic Particles in Air

Department of Nuclear Physics and Biophysics, Faculty of Mathematics, Physics and Informatics

Measurement Science Review

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Lungs are used as an attractive possibility for administration of different therapeutic substances for a long time. An innovative method of such administration...

Importance of Basset History Force for the Description of Magnetically Driven Motion of Magnetic Particles in Air

Publié en ligne: 02 juin 2020

Pages: 50 - 58

Reçu: 16 oct. 2019

Accepté: 02 mars 2020

DOI: https://doi.org/10.2478/msr-2020-0007

Mots clés
Aerosol, magnetically driven particle motion, Stokes force, Basset history force, Maxey-Riley equation, numerical simulation

© 2020 Andrej Krafcik et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Importance of Basset History Force for the Description of Magnetically Driven Motion of Magnetic Particles in Air

Publié en ligne: 02 juin 2020

Pages: 50 - 58

Reçu: 16 oct. 2019

Accepté: 02 mars 2020

DOI: https://doi.org/10.2478/msr-2020-0007

Mots clésAerosol, magnetically driven particle motion, Stokes force, Basset history force, Maxey-Riley equation, numerical simulation

© 2020 Andrej Krafcik et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
Aerosol, magnetically driven particle motion, Stokes force, Basset history force, Maxey-Riley equation, numerical simulation