Beitr. Tabakforsch. Int., 1979, 10-1, p. 7-14., ISSN.0173-783X
The use of pressure drop measurements for estimating ventilation and paper porosity
KEITH C.H.
Equations were derived for calculating dilutions in vented cigarette filters and tobacco columns from pressure drop measurements. These calculated dilutions are found to agree closely with those directly measured for a variety of commercial and...