Investigation of the figure of merit for filters with a single nanofiber layer on a substrate

By Jing Wang, S. Kim, D. Pui. 2008

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Electrospun Nanofibers for Air Filtration Applications (2014, background): “They demonstrated that the nanofiber filters have better figure of merit for particles larger than about 100 nm compared to conventional fiberglass filters, whereas nanofiber filters do not perform better than conventional fiberglass filters for particle sizes smaller than 100 nm [21].”
Factors Affecting Filter Penetration and Quality Factor of Particulate Respirators (2013, unknown): “The q f is also known as the figure of merit and used in previous studies (Kalayci et al. , 2006; Wang et al. , 2008a, b).”
High Strength and High Modulus Electrospun Nanofibers (2014, background): “Many applications require however high mechanical property nanofibers and for applications like air filtration systems [13], microfibers are still employed as supports for electrospun fibers as these nanofibers are often too weak to be used independently.”
Fabrication of nanofiber meltblown membranes and their filtration properties (2013, background): “The filtration quality factor is defined as [44,45]”