Particle and Aerosol Research Vol. 10, No. 3, September 2014 |
ISSN : 1738-8716 (Print) ISSN : 2287-8130 (Online) |
Development and Evaluation of Hy-CPC
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Abstracts
Condensation particle counter (CPC) has been one of the most important basic instrument for measuring number
concentration of submicron aerosols. The principle of the CPC is to expose aerosols to a supersaturated vapor and
cool down which causes adiabatic expansion. The particles grow by heterogenous nucleation to a sufficient size for
easy detection by optical method. However, for growth by condensation, CPC essentially needs both saturater and
condensor causing a heavy system. Therefore, it is hard to install commercial CPC to tethered balloon package system.
In this study, we developed customized CPC for tethered balloon package system called Hy-CPC which is lighter and
smaller in structure than commercial CPCs, and evaluated activation efficiency and detection efficiency by Hy-CPC
using electrostatic method (electrometer and Faraday cup).
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