Lidwell, O. M.
Year:
1960
Bibliographic info:
Air Hygiene Labs, Central Public Health Labs, Colindale, London, J. Hyg. Camb., Vol No 58

The problem of describing quantitatively the effective ventilation in a room when the air within the room is imperfectly mixed is discussed. It is suggested that the protection afforded by the ventilation to any given position against air