Paalanen K.
Year:
1984
Bibliographic info:
LVI no.3 1984 p.17-20 6 figs. 4 refs. #DATE 01:01:1984 in Finnish AND IN Teknillinen Korkeakoulu LVI Laboratorio Sisailmastoprojekti. Report C2. Espoo. 1984. 106pp.in Finnish. AICR FI 1

Discusses different ways of defining and comparing ventilation efficiency. It can be defined in absolute values ie the ability of the system to decrease the concentration of impurities in proportion to the maximum concentration. A time consta