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

Figure 6

Effects of solidity of the second layer on the QF of the dual-layer filter with = 0.4 μm and , for particles with diameters (a)  nm and (b)  nm, and effects of fiber diameter of the second layer on the QF of the dual-layer filter with and  μm, for particles with diameters (c)  nm and (d)  nm ( m/s,  mm, and , 0.2, 0.4 mm).

(a)

(b)

(c)

(d)