Filters incorporated in present ventilation systems remove large particles, for example pollen, but usually are inefficient for removing very small particles. A filter system is presented which allows the reduction of the concentration of ultrafine particles in vehicle cabins to very low levels. The original ventilation system is switched to the recirculation mode and all cabin intake air is supplied via a retrofitted filter system. The nanocleaner, consisting of a very efficient filter and a high performance blower, allows reduction of the particle concentration in the cabin from several hundreds of thousands or millions per cc. to a few thousand per cc., equivalent to remote woodland, the total exposed dose being reduced by some two orders of magnitude. Thus the nanocleaner filtration system considerably reduces the exposure of drivers to nanoparticles and the associated health risks.
Cabin filter system for ultrafine particles
Kabinenfiltersystem für ultrafeine Partikel
2008
10 Seiten, 16 Bilder, 4 Quellen
Conference paper
English
Investigation on lowering commuters’ in-cabin exposure to ultrafine particles
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