DEPOSITION OF AEROSOL PARTICLES ON A SURFACE COMPOSED OF DIFFERENT TYPES OF MATERIALS |
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Authors: | Hideto Yoshida Makoto Minooka Touru Ninomiya |
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Affiliation: |
a Dept. of Chem. Eng, Hiroshima University, Higashi, Hiroshima, Japan |
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Abstract: | Experimental and theoretical studies have been conducted on the deposition of aerosol particles on a surface composed of different types of materials (copper-polyethylene and copper-nickel). Deposition of charged particles is affected by localized electrostatic fields created by the contact potential difference between the different types of materials. The particles charged with positive polarity deposit mainly on the polyethylene or the nickel surfaces, which are negatively charged. The deposition profile has been also controlled by varying the thickness of gold layers deposited on nickel surface. |
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Keywords: | Contact potential Particle deposition Electrostatic force Changed aerosol Coulombic force |
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