像飞机一样快,像火车一样干净?超级高铁系统的前瞻性生命周期评估

IF 12.4 Q1 ENVIRONMENTAL SCIENCES Resources Environment and Sustainability Pub Date : 2024-07-01 DOI:10.1016/j.resenv.2024.100162
Paul Beckert , Giacomo Pareschi , Julian Ehwald , Romain Sacchi , Christian Bauer
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引用次数: 0

摘要

如今,减少数百公里高速客运对气候影响的方案仅限于在航空和高速列车中使用低碳合成燃料。未来,可能会出现电池电动飞机等替代品。此外,在近真空管道中运行的车辆,即所谓的 "超回路系统",也可能是一种替代方案。我们首次进行了环境生命周期评估(LCA),考虑了其建造、运行和报废,结果表明,如果低碳能源为其运行提供电力,并且能够实现相对较高的占用率,那么这种超高速系统具有很高的能效,并且温室气体排放量非常低(8 克二氧化碳/平方公里)。超高速轨道系统的环境性能与提供相同运输服务的火车非常相似。与航空旅行相比,环境负担可以大大减轻(与传统飞机相比,对气候变化的影响为 5%)。尽管技术特性和设计选择存在不确定性,但这一基本结论仍然成立,这反映了超高速轨道目前的发展状况。
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Fast as a plane, clean as a train? Prospective life cycle assessment of a hyperloop system

Today, options to reduce the climate impacts of high-speed passenger transport over hundreds of kilometres are limited to using low-carbon synthetic fuels in aviation and high-speed trains. In the future, alternatives like battery electric airplanes might be available. Further, vehicles operating in near-vacuum tubes, so-called “hyperloop systems”, could represent an alternative. Our first-of-its-kind environmental life cycle assessment (LCA), considering its construction, operation, and end-of-life, shows that such a hyperloop system is energy-efficient and can exhibit very low greenhouse gas emissions (<8 g CO2/pkm) if low-carbon sources provide electricity for its operation and relatively high occupation rates can be realised. The environmental performance of a hyperloop system can be regarded as very similar to that of a train offering the same transport service. Compared to air travel, environmental burdens can be substantially reduced (<5% impact on climate change compared to conventional aircraft). This fundamental finding holds despite uncertainties regarding technical properties and design choices, which reflect the current development status of the hyperloop.

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来源期刊
Resources Environment and Sustainability
Resources Environment and Sustainability Environmental Science-Environmental Science (miscellaneous)
CiteScore
15.10
自引率
0.00%
发文量
41
审稿时长
33 days
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