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권상일(Sangil Kwon),이우석(Wooseok Lee),홍지형(Jihyung Hong),김현근(Hyungeun Kim),명차리(Cha-Lee Myung) 한국자동차공학회 2009 한국자동차공학회 학술대회 및 전시회 Vol.2009 No.11
UN-GRPE Particulate Measurement Programme (PMP) is a collaborative programme operating under the auspices of the UNECE/GRPE Group. Its focus is on the development of a new approach to the measurement of particle in vehicle exhaust emissions, which may be used to replace or to complement the existing mass based system used for regulatory purposes. This paper is the test results of PMP Heavy-Duty Round-Robin during May to June '09 conducted at National Institute of Environmental Research (NIER) in Korea to analyze the repeatability and reproducibility between laboratories. In addition to regulated gaseous emissions, the real time particle emission was simultaneously measured with CPC, and EEPS during the daily protocol described in "UN-GRPE PMP Phase 3: Inter-laboratory Correlation Exercise: Updated Framework and Laboratory Guide for Heavy Duty (HD) Engine Testing" Detailed particle emissions over various engine certification cycles showed that the particle number concentration (#//kWh) was 3.508E+11 (weighted WHTC), 6.087E+10 (WHSC), 4.596E+10 (ETC), and 3.389E+12 (ESC) respectively. Particle mass (g/kWh) was ranged from 0.0011 (WHSC) to 0.0031 (ESC). The repeatability of particle number and mass were reached about 22~107% and 25~73%. The large CoV of particle emissions was ascribed by ETC mode which value 107% and 73%.