Question

Calculate aerodynamic diameter of a polymeric spherical particle with diameter 2 µm and density 4 g/cc and shape factor 1. Report answer in micrometres.​

Answer 1

Answer:

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Answer 2

The aerodynamic  diameter is defined by Equation (1)

Aerodynamic diameter = Geometric diameter ×r ρP  ρ0χ

where ρp and ρ0 are the particle and unit densities, respectively, and χ is the dynamic shape factor.

Aerosol particle design therefore involves two basic strategies. Either particles are made with standard

density with geometric diameters between 0.5 and 5 µm, or they are created with a non-standard

density with aerodynamic diameters between 0.5 and 5 µm in contrast to geometric diameters outside the standard range .