Table 3 Parameters of the airborne transmission.

g

Gravitational acceleration

9.8

m s⁻²

z

Height of plume generation

4

m

h

Height of plume reception

4

m

η

Dynamic viscosity of air

1.8 × 10⁻⁵

kg m⁻¹ s⁻¹

φ

Density of particles

1150 [42]

kg m⁻³

r

Radius of particle

10^−6 a

m^a

W

Deposition velocity

0.01 [27]

m s⁻¹

a _y, a _z

Guifford–Pasquill stability

0.34, 0.27 [27]

m^(1−b)

b _y, b _z

Class “C” stability parameters

0.82, 0.82 [27]