Reducing aviation's impact on climate change - understanding effects of fuel and engine characteristics on formation of contrails

减少航空对气候变化的影响 - 了解燃料和发动机特性对凝结尾迹形成的影响

基本信息

  • 批准号:
    570573-2021
  • 负责人:
  • 金额:
    $ 34.75万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Alliance Grants
  • 财政年份:
    2021
  • 资助国家:
    加拿大
  • 起止时间:
    2021-01-01 至 2022-12-31
  • 项目状态:
    已结题

项目摘要

Contributions to climate forcing (due to contrails and carbon dioxide) will be the main drivers that will shape the future of the aviation. Currently, there seems to be no viable prime mover that will replace the gas turbine as the preferred engine for the medium to long range commercial aircraft. It is most likely that for the foreseeable future these engines will be fueled by liquid hydrocarbons obtained from sustainable sources, i.e., sustainable aviation fuels. Contrail formation is a result of the soot aerosol in the engine exhaust acting as the nuclei to form ice particles. The current understanding is that the soot aerosols, any aqueous aerosols formed in the exhaust, and the ambient aerosols entrained into the plume act as nuclei to form ice crystals when water vapour in the plume becomes supersaturated because of the plume mixing with ambient cold air and cooling rapidly. The details of these processes involved in contrail formation are not known well, and there exist several knowledge gaps. The uncertainty associated with modelling its radiative forcing is very high due to a lack understanding nucleation of ice particles. Understanding these processes at a level that physical descriptions leading to realistic models is essential to simulate the aircraft induced contrail properties to predict their behaviour. The proposed project aims to contribute to the advancement of knowledge in contrail formation by addressing the knowledge gaps by means of a combined experimental and modelling effort supported by theoretical development of ice nucleation and growth. The deliverables of this research program will be a better physical description and improved models of contrail formation that can be used in contrail radiation forcing simulations decreasing the uncertainties in climate modelling. Results will help the Canadian gas turbine engine manufacturers to predict the impacts of engine exhaust and contrails on the environment and facilitate the decision-making and strategies for the potential of future aviation technologies such as hybrid electric, hydrogen, and sustainable aviation fuels aircraft.
对气候强迫的贡献(由于尾迹和二氧化碳)将是塑造航空未来的主要驱动力。目前,似乎没有可行的原动机,将取代燃气涡轮机作为中远程商用飞机的首选发动机。在可预见的未来,这些发动机最有可能由从可持续来源获得的液态烃作为燃料,即,可持续航空燃料。凝结尾迹的形成是由于发动机排气中的烟尘气溶胶充当形成冰粒的核。目前的理解是,烟尘气溶胶,排气中形成的任何含水气溶胶,以及夹带到羽流中的环境气溶胶,当羽流中的水蒸气由于羽流与环境冷空气混合并迅速冷却而变得过饱和时,作为核形成冰晶。这些过程中涉及的凝结尾迹形成的细节还不清楚,存在着一些知识空白。由于缺乏对冰粒成核的理解,与模拟其辐射强迫相关的不确定性非常高。理解这些过程的物理描述导致现实的模型的水平是必不可少的模拟飞机诱导的尾迹特性,预测他们的行为。 拟议的项目旨在通过在冰成核和生长的理论发展的支持下,通过综合实验和建模努力来填补知识空白,从而促进对轨迹形成的认识。 这项研究计划的成果将是更好的物理描述和改进的凝结尾迹形成模型,可用于凝结尾迹辐射强迫模拟,减少气候建模的不确定性。研究结果将有助于加拿大燃气涡轮机发动机制造商预测发动机排气和尾迹对环境的影响,并促进未来航空技术潜力的决策和战略,如混合动力电动,氢和可持续航空燃料飞机。

项目成果

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Gulder, Omer其他文献

Gulder, Omer的其他文献

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{{ truncateString('Gulder, Omer', 18)}}的其他基金

Fundamental flame studies of soot formation at high pressures and at low gravity
高压低重力下烟灰形成的基础火焰研究
  • 批准号:
    251116-2012
  • 财政年份:
    2016
  • 资助金额:
    $ 34.75万
  • 项目类别:
    Discovery Grants Program - Individual
Fundamental flame studies of soot formation at high pressures and at low gravity
高压低重力下烟灰形成的基础火焰研究
  • 批准号:
    251116-2012
  • 财政年份:
    2015
  • 资助金额:
    $ 34.75万
  • 项目类别:
    Discovery Grants Program - Individual
Environmental performance, sustainability and durability improvements in fuel-flexible combustors for stationary and motive engines
固定式和动力发动机的燃料灵活燃烧器的环境性能、可持续性和耐用性改进
  • 批准号:
    430362-2012
  • 财政年份:
    2014
  • 资助金额:
    $ 34.75万
  • 项目类别:
    Strategic Projects - Group
Fundamental flame studies of soot formation at high pressures and at low gravity
高压低重力下烟灰形成的基础火焰研究
  • 批准号:
    251116-2012
  • 财政年份:
    2014
  • 资助金额:
    $ 34.75万
  • 项目类别:
    Discovery Grants Program - Individual
Filtered Rayleigh scattering instrumentation for diagnostics of high-pressure combustion systems emitting nano soot aerosols
用于诊断排放纳米烟灰气溶胶的高压燃烧系统的过滤瑞利散射仪器
  • 批准号:
    472359-2015
  • 财政年份:
    2014
  • 资助金额:
    $ 34.75万
  • 项目类别:
    Research Tools and Instruments - Category 1 (<$150,000)
Fundamental flame studies of soot formation at high pressures and at low gravity
高压低重力下烟灰形成的基础火焰研究
  • 批准号:
    251116-2012
  • 财政年份:
    2013
  • 资助金额:
    $ 34.75万
  • 项目类别:
    Discovery Grants Program - Individual
An experimental platform for nano-soot particle diagnostics and characterization for high-pressure combustion
高压燃烧纳米烟尘颗粒诊断和表征的实验平台
  • 批准号:
    458476-2014
  • 财政年份:
    2013
  • 资助金额:
    $ 34.75万
  • 项目类别:
    Research Tools and Instruments - Category 1 (<$150,000)
Environmental performance, sustainability and durability improvements in fuel-flexible combustors for stationary and motive engines
固定式和动力发动机的燃料灵活燃烧器的环境性能、可持续性和耐用性改进
  • 批准号:
    430362-2012
  • 财政年份:
    2013
  • 资助金额:
    $ 34.75万
  • 项目类别:
    Strategic Projects - Group
Environmental performance, sustainability and durability improvements in fuel-flexible combustors for stationary and motive engines
固定式和动力发动机的燃料灵活燃烧器的环境性能、可持续性和耐用性改进
  • 批准号:
    430362-2012
  • 财政年份:
    2012
  • 资助金额:
    $ 34.75万
  • 项目类别:
    Strategic Projects - Group
Fundamental flame studies of soot formation at high pressures and at low gravity
高压低重力下烟灰形成的基础火焰研究
  • 批准号:
    251116-2012
  • 财政年份:
    2012
  • 资助金额:
    $ 34.75万
  • 项目类别:
    Discovery Grants Program - Individual

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