Carbon dioxide emissions from diesel and compressed natural gas buses during acceleration

E.R. Jayaratne; Z.D. Ristovski; L. MorawskaN.K. Meyer

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Carbon dioxide emissions from diesel and compressed natural gas buses during acceleration

机译：Carbon dioxide emissions from diesel and compressed natural gas buses during acceleration

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摘要

Motor vehicle emission factors are generally derived from driving tests mimicking steady state conditions or transient drive cycles. Neither of these test conditions, however, completely represents real world driving conditions. In particular, they fail to determine emissions generated during the accelerating phase - a condition in which urban buses spend much of their time. We analyse and compare the results of time-dependant emission measurements conducted on diesel and compressed natural gas buses during an urban driving cycle on a chassis dynamometer and we derive power-law expressions relating carbon dioxide emission factors to the instantaneous speed while accelerating from rest. Emissions during acceleration are compared with that during steady speed operation.

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来源
《Transportation research, Part D. Transport and environment》 |2010年第5期|共7页
作者
E.R. Jayaratne; Z.D. Ristovski; L. MorawskaN.K. Meyer;
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作者单位

International Laboratory for Mr Quality and Health, Queensland University of Technology, CPO Box 2434, Brisbane, QLD 4001, Australia;

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原文格式 PDF
正文语种英语
中图分类 NULL;
关键词
carbon dioxide; greenhouse gas emissions; traffic congestion; bus emissions;

Carbon dioxide emissions from diesel and compressed natural gas buses during acceleration

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