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Characterization of Ultrafine and Fine Particulate Matter Emissions from Heavy-Duty Diesel Vehicles.
| 题名： | Characterization of Ultrafine and Fine Particulate Matter Emissions from Heavy-Duty Diesel Vehicles. |
| 作者： | kleeman, m. j. robert, m. a. riddle, s. g. jakober, c. a. |
| 关键词： | diesel engines,exhaust emissions,air pollution sampling,particulate matter/vehicle air pollution, air pollution sources, mobile pollutant sources, heavy duty vehicles, size, composition, trace organic species, metals, diesel fuels, impactors, emissions, distribution analyzers, particles/speciation, ultrafine emissions, fine emissions |
| 摘要： | Ultrafine (D(sub p) < 100 nm) and fine (D(sub p) < 1.8 mm) particulate matter (PM) emissions from four heavy-duty diesel vehicles (HDDV's) were collected using a chassis dynamometer and dilution source sampling system. Emissions samples were collected simultaneously using cascade impactors, filter-based instrumentation, and real-time particle size distribution analyzers. The four HDDV's were tested using either partial or full California Air Resources Board (CARB) Heavy Heavy-Duty Diesel Vehicle Truck (HHDDT) driving cycles and were subjected to either 56,000 lb or 66,000 lb simulated inertial loads. Cascade impactor and filter-based samples were subsequently analyzed for carbonaceous content, water soluble ionic species content, trace organic species, and elemental composition. Real-time measurements were scaled to size-resolved impactor reconstructed mass distributions and were then used to perform temporal analyses. This report details the sample collection methodology and laboratory analytical characterization methodologies, and presents key findings based on experimental and laboratory efforts. Ultrafine and fine PM emission rates for chemical composition speciation data are reported. / NOTE: Final rept. / Supplementary Notes: See also PB2002-107661. Prepared in cooperation with Colorado Univ. at Boulder. Dept. of Mechanical Engineering. Sponsored by Coordinating Research Council, Inc., Alpharetta, GA., California State Air Resources Board, Sacramento. Research Div. and National Science Foundation, Washington, DC. / Availability Note: Also available on CD-ROM. Product reproduced from digital image. Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA. |
| 报告类型： | 科技报告 |
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