V. Gómez 1, F.J. Alguacil2, M. Alonso2

  • 1 Instituto de Nanociencia de Aragón (INA), Edificio I+D, c/Mariano Esquillor s/n, 50018 Zaragoza, Spain
  • 2 National Center for Metallurgical Research (CENIM-CSIC), Avenida Gregorio del Amo, 8. 28040 Madrid, Spain

Received: January 10, 2012
Revised: March 10, 2012
Accepted: March 10, 2012
Download Citation: ||https://doi.org/10.4209/aaqr.2012.01.0009  

  • Download: PDF

Cite this article:
Gómez, V., Alguacil, F. and Alonso, M. (2012). Deposition of Aerosol Particles below 10 nm on a Mixed Screen-Type Diffusion Battery. Aerosol Air Qual. Res. 12: 457-462. https://doi.org/10.4209/aaqr.2012.01.0009



Experimental characterization of a mixed screen-type diffusion battery has been made by using monodisperse neutral particles with diameter below 10 nm. The diffusion battery contained two “composite” grids, each of them consisting of a gold screen sandwiched between two Aluminium screens. The equivalent fiber diameter of the composite grid was obtained by fitting the experimental penetration data for uncharged particles to the Cheng-Yeh model. Once the equivalent or effective fiber diameter is known, the fan filter model of Cheng and Yeh allows accurate prediction of particle penetration through the mixed-screen type diffusion battery.

Keywords: Nanoparticle; Diffusion; Wire screen; Single fiber efficiency; Equivalent fiber diameter

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