Inverse Problem of Air Filtration of Nanoparticles: Optimal Quality Factors of Fibrous Filters

Figure 4

Effects of solidity of the second layer on the QF of the dual-layer filter with  μm and , for particles with diameters (a)  nm and (b)  nm, and effects of fiber diameter of the second layer on the QF at and  μm, for particles with diameters (c)  nm and (d)  nm ( m/s,  mm, and , 3, 9 mm).

(a)

(b)

(c)

(d)