期刊
TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT
卷 17, 期 1, 页码 28-34出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.trd.2011.09.002
关键词
Well-to-wheel environmental analysis; Railway traction; Rail CO2 emissions; Hydrail
资金
- Engineering and Physical Science Research Council
This paper derives the energy efficiencies and CO2 emissions for electric, diesel and hydrogen traction for railway vehicles on a well-to-wheel basis, using the low heating value and high heating value of the enthalpy of oxidation of the fuel. The tank-to-wheel and well-to-tank efficiency are determined. Gaseous hydrogen has a WTW efficiency of 25% low heating value, if produced from methane and used in a fuel cell. This efficiency is similar to diesel and electric traction in the UK, US, and California. A reduction of about 19% in CO2 is achieved when hydrogen gas is used in a fuel cell compared to diesel traction, and a 3% reduction compared to US electricity. (C) 2011 Elsevier Ltd. All rights reserved.
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