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An Analysis of Characteristics of Particulate Matter Exhausted from Diesel Locomotive Engines  

박덕신 (한국철도기술연구원철도환경 재료연구팀)
김태오 (금오공과대학교 토목환경 및 건축공학부, 대기환경 및 나노입자연구실)
김동술 (경희대학교 환경 응용화학대학 및 환경연구센터)
Publication Information
Journal of Korean Society for Atmospheric Environment / v.19, no.2, 2003 , pp. 133-143 More about this Journal
Abstract
Numerous evidence have been reported that fine particulate matters can play an important role in threatening human health. Recently concerns on fine particle pollution from various engines may require re-examination of particulate emission standards. The particles emitted by most diesel engines are mainly divided into their size ranges such as Dp< 50 nm and 50 nm< Dp< 1,000 nm. In this work, the number concentration and the size distribution of fine particles emitted from an exhaust manifold of a railroad diesel engine were measured under load test conditions using a scanning mobility particle sizer (SMPS). The fine particles observed were within the range of 7 to 304 nm under different load conditions with two different dilution ratios. The fine particles exhibited unique patterns showing bimodal shapes in size distribution.
Keywords
Diesel locomotive engine; SMPS; Paricle size distribution; Dilution tunnel;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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