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Measuring Paniculate Emissions of Light Duty Passenger Vehicles Using Integrated Particle Size Distribution (IPSD)

机译:使用积分粒度分布(IPSD)测量轻型乘用车的颗粒排放

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摘要

The California Air Resources Board (ARB) adopted the low emission vehicle (LEV) Ⅲ particulate matter (PM) standards in January 2012, which require, among other limits, vehicles to meet 1 mg/mi over the federal test procedure (FTP). One possible alternative measurement approach evaluated to support the implementation of the LEV Ⅲ standards is integrated particle size distribution (IPSD), which reports real-time PM mass using size distribution and effective density. The IPSD method was evaluated using TSI's engine exhaust particle sizer (EEPS, 5.6- 560 nm) and gravimetric filter data from more than 250 tests and 34 vehicles at ARB's Haagen-Smit Laboratory (HSL). IPSD mass was persistently lower than gravimetric mass by 56-75% over the FTP tests and by 81-84% over the supplemental FTP (US06) tests. Strong covariance between the methods suggests test-to-test variability originates from actual vehicle emission differences rather than measurement accuracy, where IPSD offered no statistical improvement over gravimetric measurement variability.
机译:加州空气资源委员会(ARB)于2012年1月采用了低排放车辆(LEV)Ⅲ颗粒物(PM)标准,除其他限制外,该标准还要求车辆必须超过联邦测试程序(FTP)1 mg / mi。为支持LEVⅢ标准的实施而评估的一种可能的替代测量方法是积分粒度分布(IPSD),它使用粒度分布和有效密度报告实时PM质量。使用TSI的发动机排气粒度仪(EEPS,5.6-560 nm)和来自ARB的Haagen-Smit实验室(HSL)的250多次测试和34辆车辆的重量过滤器数据评估了IPSD方法。在FTP测试中,IPSD质量始终比重量质量低56-75%,在补充FTP(US06)测试中IPSD质量持续低81-84%。两种方法之间的强烈协方差表明,测试之间的差异性源自实际的车辆排放差异,而不是测量精度,而IPSD在重量测量的可变性方面没有提供统计上的改进。

著录项

  • 来源
    《Environmental Science & Technology》 |2015年第9期|5618-5627|共10页
  • 作者单位

    California Air Resources Board 1001 I Street, Sacramento, California 95814, United States,Environmental Science & Engineering, Institute of the Environment and Sustainability, La Kretz Hall, Suite 300, Los Angeles, California 90095, United States;

    California Air Resources Board 1001 I Street, Sacramento, California 95814, United States;

    California Air Resources Board 1001 I Street, Sacramento, California 95814, United States;

    California Air Resources Board 1001 I Street, Sacramento, California 95814, United States;

    California Air Resources Board 1001 I Street, Sacramento, California 95814, United States;

    California Air Resources Board 1001 I Street, Sacramento, California 95814, United States;

    Center for Environmental Research and Technology (CE-CERT), Bourns College of Engineering, University of California, Riverside, 1084 Columbia Avenue Riverside, California 92507, United States;

    California Air Resources Board 1001 I Street, Sacramento, California 95814, United States;

    California Air Resources Board 1001 I Street, Sacramento, California 95814, United States;

    California Air Resources Board 1001 I Street, Sacramento, California 95814, United States;

    Environmental Science & Engineering, Institute of the Environment and Sustainability, La Kretz Hall, Suite 300, Los Angeles, California 90095, United States,Department of Environmental Health Sciences, Fielding School of Public Health, University of California, Los Angeles 650 Charles E. Young Drive South, Los Angeles, California 90095, United States;

    California Air Resources Board 1001 I Street, Sacramento, California 95814, United States,Department of Environmental Health Sciences, Fielding School of Public Health, University of California, Los Angeles 650 Charles E. Young Drive South, Los Angeles, California 90095, United States;

    California Air Resources Board 1001 I Street, Sacramento, California 95814, United States;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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  • 正文语种 eng
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