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http://dx.doi.org/10.11629/jpaar.2017.9.30.105

Development and performance evaluation of the porous tube dilutor for real-time measurements of fine particles from high humidity environments  

Woo, Chang Gyu (Department of Eco-Machinery Systems, Korea Institute of Machinery & Materials)
Hong, Ki-Jung (Department of Eco-Machinery Systems, Korea Institute of Machinery & Materials)
Kim, Hak-Joon (Department of Eco-Machinery Systems, Korea Institute of Machinery & Materials)
Kim, Yong-Jin (Department of Eco-Machinery Systems, Korea Institute of Machinery & Materials)
Han, Bangwoo (Department of Eco-Machinery Systems, Korea Institute of Machinery & Materials)
An, Jeongeun (Parkor Korea Indus Co., Ltd.)
Kang, Su Ji (Clean Power Generation Laborator, KEPCO Research Institute)
Chun, Sung-Nam (Clean Power Generation Laborator, KEPCO Research Institute)
Publication Information
Particle and aerosol research / v.13, no.3, 2017 , pp. 105-110 More about this Journal
Abstract
Real-time measurements of fine particles from stack emission gases are necessary due to the needs of continuous environmental monitoring of PM10 and PM2.5. The porous tube dilutor using hot and cold dilutions was developed to measure fine particles without condensable particles from highly humid emission gases and compared to the commercialized ejector-type dilutor. Particle size distributions were measured at the emission gases from a diesel engine and a coal-fired boiler. The porous tube dilutor could successfully measure the accumulation mode particles including relatively large particles more than $3{\mu}m$ without nuclei particles, while the ejector dilutor detected some condensable particles and could not detect large particles. The porous tube dilutor could successfully remove the already condensed water droplet particles generated by a humidifier in a $30m^3$ chamber.
Keywords
sampling; PM10; PM2.5; dilution; condensable;
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