Table 3.

Grid independence in breathing zone.

Position	Maximum size of manikin/walls (cm)	Number of elements in zones	Relative error between two consecutive meshes (%)
			Air flow	Droplet aerosols concentration
PS	0.15/0.05	1,264,415	–	–
	0.01/0.05	2,874,324	3.86	4.54
	0.01/0.025	3,954,315	1.34	1.76
PL	0.15/0.05	1,225,548	–	–
	0.01/0.05	2,491,127	4.62	4.81
	0.01/0.025	3,685,419	0.91	1.53