ABSTRACT
While the airborne behavior of an aerosol particle inhaled into the respiratory tract is affected by a number of parameters, for most pharmaceutical aerosols, this behavior is primarily determined by the value of the Stokes number Stk, defined as: () Stk= ρ d 2 U / ( 18 μ L ) https://s3-euw1-ap-pe-df-pch-content-public-u.s3.eu-west-1.amazonaws.com/9780429055201/6bcd1c9f-ec5a-4a5f-b365-a07d365c5344/content/equ4_1001.tif"/>
