Personal Sampler for Monitoring of Viable Viruses; Modeling of Indoor Sampling Conditions

Figures & data

FIG. 1 The system of coordinates and the geometry of the room in the model calculations (a). Trajectories of particle movement under “no external wind” conditions at the section y = 9 m (b); trajectories of particle movement at the section y = 9 m in the presence of a pressure differential due to external wind presence (c).

FIG. 2 Particles trajectories projected on the horizontal plane under “no external wind” conditions (a), and presence of the wind pressure on the building (b). Isolines of normalized concentration values C _n at the section y = 9 m under “no external wind” conditions (c).

FIG. 3 Isolines of normalized values of virus-containing aerosol concentration C _n at the height of 1.5 m from the floor calculated for “no external wind” conditions (a); and the presence of the wind pressure on the building (b).

TABLE 1 Values ⟨C _Lk ⟩ in units C ₀ calculated at the routes L _k for the first and the second examples of calculations

	Routes
	L 1	L 2	L 3
“No external wind” conditions	0.77	0.81	0.86
The presence of the wind pressure on the building	0.66	0.83	0.74

TABLE 2 Minimal reliably countable values of the virus-containing aerosol concentration C _min (per m³) in the environment calculated along the routes L _k for the first and the second examples of calculations

	Routes
	L 1	L 2	L 3
“No external wind” conditions	2.45 · 10^4	2.25 · 10^4	3.86 · 10^4
The presence of the wind pressure on the building	2.12 · 10^4	2.32 · 10^4	3.33 · 10^4