Improved NOx Emission for High Speed Airbreathing Engines using Plasma Effects

利用等离子体效应改善高速吸气式发动机的氮氧化物排放

• 批准号: RGPIN-2022-05304
• 负责人: Etele, Jason
• 金额: $ 1.97万
• 依托单位: Carleton University
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 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=759507
• 关键词: Improved; NOx; Emission; Speed; Airbreathing

With the ever in increasing emphasis of both the public, and the industrial community, on ensuring the environmental sustainability of all facets of engineering, the aviation sector has had to adjust accordingly. Anthropogenic aviation sourced particulate matter, volatile organic compounds (VOCs), and NOx emissions continue to be a focus of concern given their detrimental influence on the air quality environment. In 2020 the International Civil Aviation Organization's (ICAO) Committee on Aviation Environmental Protection (CAEP) issued new emission standards applicable to all aircraft engines producing over a given amount of thrust in production from 2023 onwards requireing among other things, a continued improvement in NOx emission. Although focused on improving the environmental impact of current and next generation subsonic gas turbine based engines, this type of scrutiny will only continue to gain traction in the coming years. As such, this proposal seeks to develop NOx emission evaluation tools suitable for high speed airbreathing engines under development on aircraft traveling well above the sonic threshold. In addition to suitable evaluation methodologies, this proposal also seeks to investigate and potentially apply the effects of small Dielelectric Barrier Discharge (DBD) plasma actuators within these high speed engines in an effort to reduce their NOx emission characteristics without substantially degrading their performance. Using the tools and concepts developed as part of this proposal, environmental considerations can be taken into effect during the design phase of these engines which have yet to be operationally deployed. This will yield cleaner, more environmentally friendly engines than those that are developed in the absence of this type of information (which would likely require costly changes applied retroactively in order to meet the environmental standards that most certainly will be applied in the future). Not only will this help the environment, but it will help train Canadian talent capable of influencing the direction of some of the most challenging research topics in the aerospace field, while at the same time developing simulation technologies at the leading edge of the engineering discipline.

随着公众和工业界越来越重视确保工程各个方面的环境可持续性，航空业不得不做出相应的调整。人为航空源的颗粒物，挥发性有机化合物（VOCs）和氮氧化物的排放继续成为关注的焦点，因为它们对空气质量环境的有害影响。2020年，国际民用航空组织（ICAO）航空环境保护委员会（CAEP）发布了新的排放标准，适用于从2023年起生产超过一定推力的所有飞机发动机，其中包括持续改善氮氧化物排放。虽然重点是改善当前和下一代亚音速燃气涡轮机发动机对环境的影响，但这种审查在未来几年只会继续获得牵引力。因此，本建议旨在开发适用于在远高于音速阈值的飞行器上运行的高速吸气式发动机的NOx排放评估工具。除了合适的评估方法，该提案还试图研究和潜在地应用这些高速发动机内的小型介质阻挡放电（DBD）等离子体致动器的效果，以减少其NOx排放特性，而不会显著降低其性能。利用作为本提案一部分开发的工具和概念，可以在这些尚未投入使用的发动机的设计阶段考虑到环境因素。这将产生比在没有此类信息的情况下开发的发动机更清洁，更环保的发动机（这可能需要追溯适用的昂贵更改，以满足未来肯定会适用的环境标准）。这不仅有助于环境，而且有助于培养加拿大人才，能够影响航空航天领域一些最具挑战性的研究课题的方向，同时在工程学科的前沿开发模拟技术。