Abstract
The present investigation deals with the study of pore size of filter fabrics. Theoretical expressions are derived for calculating the pore equivalent diameter of woven, knitted and nonwoven filter fabrics. Experimental results were obtained by using a new simplified apparatus. This apparatus has been designed by the author on the base of bubble-pressure method. The derived relations were found to be fairly close to those observed experimently.
Highlights
The present investigation deals with the study of pore me or filter rabrlcs .T heoretLcal expressions are derived for calcul()ting the pore equivalent dlalleter of woven, knitted and nonwoven fliter fabrics
This result depends on l ile pore size and shape and the efficiency of the waterproof flnlsh applied to the fabric
0' And very little work has been done on the eFfect of fabric construction for predicting pore size filter fabrics
Summary
The capture of solid particles by filter fabrics Fabric pore diameter is com monly measured by llIeans of microscope and it could be measured by the method of geometrical probabilities (1). LYNch is one of the more com monly used measures of waterproofness,is made by subjectln!) one face of a specime n to a steadily incre()sing hydros;tatlc pressure, the pressure lit whIch drops of water penetrate the speCImen at the third place is rec,?rded as the hydrostatic head. This result depends on l ile pore size and shape and the efficiency of the waterproof flnlsh applied to the fabric.
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