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Título: | Unipolar charging of nanometer aerosol particles in a corona ionizer |
Autor: | Hernandez-Sierra, Aurora; Alguacil, Francisco José CSIC ORCID; Alonso Gámez, Manuel CSIC | Palabras clave: | Aerosol nanoparticles Corona ionizer Unipolar charging Charging efficiency |
Fecha de publicación: | jun-2003 | Editor: | Elsevier | Citación: | Journal of Aerosol Science 34 (6) : 733-745 (2003) | Resumen: | A corona ionizer for unipolar charging of nanometer-sized aerosol particles has been constructed and evaluated. Charging efficiency and particle deposition loss (electrostatic and diffusional) have been measured for particle mobility-equivalent diameters below View the MathML source, at different aerosol flow rates, different corona polarity and voltages, and also at two different positions of the corona electrode tip. Even though electrostatic deposition of charged particles within the ionizer was relatively large at high corona voltages, charging efficiencies as high as about 30% for View the MathML source particles could be achieved for positive and negative corona. This figure is almost one order of magnitude higher than that attainable with radioactive bipolar chargers, and similar to that recently reported for other types of unipolar chargers developed by several researchers. | Versión del editor: | http://dx.doi.org/10.1016/S0021-8502(03)00033-8 | URI: | http://hdl.handle.net/10261/43832 | DOI: | 10.1016/S0021-8502(03)00033-8 | ISSN: | 0021-8502 |
Aparece en las colecciones: | (CENIM) Artículos |
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