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

被引：26
|
作者：
Jayaratne, E. R. [1 ]
Ristovski, Z. D. [1 ]
Morawska, L. [1 ]
Meyer, N. K. [1 ]
机构：
[1] Queensland Univ Technol, Int Lab Air Qual & Hlth, Brisbane, Qld 4001, Australia
来源：
TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT | 2010年 / 15卷 / 05期
基金：
澳大利亚研究理事会;
关键词：
Carbon dioxide; Greenhouse gas emissions; Traffic congestion; Bus emissions; SULFUR;
D O I：
10.1016/j.trd.2010.03.005
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
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. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：247 / 253
页数：7
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