Air Filtration in the Free Molecular Flow Regime: A Review of High‐Efficiency Particulate Air Filters Based on Carbon Nanotubes

Li, Peng; Wang, Chunya; Zhang, Yingying; Wei, Fei

doi:10.1002/smll.201401553

Public

Air Filtration in the Free Molecular Flow Regime: A Review of High‐Efficiency Particulate Air Filters Based on Carbon Nanotubes

Published in Small • Oct 6, 2014

Authors:

Peng Li

Chunya Wang

Yingying Zhang

Abstract

Air filtration in the free molecular flow (FMF) regime is important and challenging because a higher filtration efficiency and lower pressure drop are obtained when the fiber diameter is smaller than the gas mean free path in the FMF regime. In previous studies, FMF conditions have been obtained by ...

Subject

Pressure drop

Carbon nanotube

Filtration (mathematics)

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