Table 1 Minimum irradiance required for far-UVC lamps under different dining situations.
From: An excimer lamp to provide far-ultraviolet C irradiation for dining-table disinfection
Situation | Number of diners | Sitting pattern | Far-UVC lamp number | Minimum lamp surface irradiance (mW/cm2) |
|---|---|---|---|---|
(a) | 1 | – | 1 | 42 |
(b) | 2 | Face to face | 2 | 33 + 33 |
(c) | 2 | Same side | 2 | 42 + 42 |
(d) | 3 | – | 3 | 33 + 33 + 42 |
(f) | 4 | – | 2 | 90 + 90 |
(g) | 4 | – | 3 | 48 + 48 + 48 |
(h) | 4 | – | 4 | 30 + 30 + 30 + 30 |
