Characterization and Mitigation of in-use GHG Emissions from Natural Gas Engines

天然气发动机在用温室气体排放的表征和缓解

• 批准号: 543477-2019
• 负责人: Kirchen, PatrickPN
• 金额: $ 2.33万
• 依托单位: University of British Columbia
• 依托单位国家: 加拿大
• 项目类别: Collaborative Research and Development Grants
• 财政年份: 2022
• 资助国家: 加拿大
• 起止时间: 2022-01-01 至 2023-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=759993
• 关键词: Characterization; Mitigation; use; GHG; Emissions

Natural gas as an engine fuel carries many benefits relative to traditional fuels, including reduced carbon dioxide, NOx, SOx, and particulate emissions. This, combined with its historically lower cost and Canada's significant domestic reserves, make it an attractive engine fuel for large applications where electrification is not yet possible. Despite these benefits, the net greenhouse impact of natural gas fuelled engines is very sensitive to methane emissions due to its high global warming potential, and must therefore be minimized. This research will quantify the methane emissions from large natural gas engines under real-world operating conditions, as well as develop strategies for their mitigation. For this, a portable, low-cost, robust, and fast methane sensor will be further developed using laboratory engines and ultimately implemented for measurements on real-world engines. The laboratory experiments will also be used to identify relevant methane mitigation strategies, as well assess the influence of engine operating properties and fuel properties. Through this combination of laboratory and field studies, the methane emissions from in-use engines will be assessed, providing policy and decision-makers with the key information required to ensure that natural gas is effectively used as an engine fuel.

与传统燃料相比，天然气作为发动机燃料具有许多优点，包括减少二氧化碳、氮氧化物、硫氧化物和颗粒排放。这一点，再加上其历史上较低的成本和加拿大大量的国内储量，使其成为一种有吸引力的发动机燃料，适用于尚未实现电气化的大型应用。尽管有这些好处，但天然气燃料发动机的净温室效应对甲烷排放非常敏感，因为它具有很高的全球变暖潜力，因此必须尽量减少。这项研究将量化大型天然气发动机在实际运行条件下的甲烷排放，并制定减排策略。为此，一种便携式、低成本、坚固耐用、快速的甲烷传感器将在实验室发动机上进一步开发，并最终用于实际发动机的测量。实验室实验还将用于确定相关的甲烷减排战略，并评估发动机工作特性和燃料特性的影响。通过实验室和现场研究的结合，将评估正在使用的发动机的甲烷排放，为政策和决策者提供确保天然气作为发动机燃料有效使用所需的关键信息。