Controlling Transcritical Thermoacoustic Interactions for Space Propulsion and Novel Energy Systems

控制空间推进和新型能源系统的跨临界热声相互作用

基本信息

  • 批准号:
    RGPIN-2016-04143
  • 负责人:
  • 金额:
    $ 1.75万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Discovery Grants Program - Individual
  • 财政年份:
    2016
  • 资助国家:
    加拿大
  • 起止时间:
    2016-01-01 至 2017-12-31
  • 项目状态:
    已结题

项目摘要

Rocket science can provide us with novel solutions to some of our modern-day energy concerns. Combustion instabilities in liquid rocket engines are one of the most important and challenging problems in space propulsion. These instabilities occur as the unsteady heat release of combustion couples with the acoustic modes in the combustion chamber; the complexity of this interaction is compounded by the highly non-linear, transcritical thermodynamic base state of the cryogenic propellants. The self-excited thermoacoustic coupling needs to be identified, as energetic build-up in the acoustic mode is the most important cause of catastrophic engine failure. However, this very serious challenge in the rocket propulsion community may actually prove to be a novel solution to some of our energy concerns, particularly in industrial settings. By carefully controlling the entropic-acoustic coupling, the energy created through this non-linear interaction may be harvested in a thermoacoustic heat engine to produce useful mechanical power, thus, permitting the efficient re-use of industrial waste heat. The research program will build upon the research of the applicant on liquid rocket engine to extend the knowledge and expertise related to the fundamental mechanisms of thermoacoustic coupling in high-pressure, transcritical systems. This understanding is gleaned from first-principal-based, high-quality numerical simulations of canonical flow setups of the interaction between acoustics, thermodynamics and fluid mechanics. This expertise will be applied to two seemingly distinct, yet surprisingly tangential fields of science and engineering. 1) We will seek to identify intrinsic instability modes in transcritical diffusion flames as a means to explain the onset of high-frequency, self-excited instability modes in rocket engines. 2) We will then transpose our expertise in thermoacoustic coupling in rocket propulsion systems towards the development of a transcritical thermoacoustic heat engine for the conversion of industrial waste heat to mechanical energy. Up to 50% of the total energy consumed in industrial settings is lost through hot exhaust gases and liquids. The recuperation of industrial waste heat by means of a thermoacoustic heat engine increases overall efficiency, saves money and reduces emissions. Additionally, the acquired knowledge of combustion instabilities in high-pressure systems will have direct relevance to gas turbine, premixed automotive injection systems and air-breathing propulsive technology.
火箭科学可以为我们现代能源问题提供新的解决方案。液体火箭发动机的燃烧不稳定性是空间推进领域最重要和最具挑战性的问题之一。这些不稳定性发生的不稳定的燃烧热释放耦合与燃烧室中的声学模式,这种相互作用的复杂性是由低温推进剂的高度非线性,跨临界热力学基础状态。自激热声耦合需要被识别,因为在声学模式中能量的积累是灾难性发动机故障的最重要原因。然而,火箭推进界面临的这一非常严峻的挑战实际上可能被证明是解决我们一些能源问题的一种新的解决方案,特别是在工业环境中。通过仔细控制熵声耦合,通过这种非线性相互作用产生的能量可以在热声热机中被收集以产生有用的机械功率,从而允许工业废热的有效再利用。 该研究计划将建立在申请人对液体火箭发动机的研究基础上,以扩展与高压跨临界系统中热声耦合基本机制相关的知识和专业知识。这种理解是从声学,热力学和流体力学之间相互作用的规范流设置的基于第一原理的高质量数值模拟中收集的。这些专业知识将应用于科学和工程这两个看似不同,但令人惊讶的边缘领域。1)我们将寻求识别跨临界扩散火焰中的固有不稳定模式,作为解释火箭发动机中高频自激不稳定模式的一种手段。2)然后,我们将把我们在火箭推进系统中的热声耦合方面的专业知识转移到跨临界热声热发动机的开发中,用于将工业废热转换为机械能。在工业环境中,高达50%的总能源消耗是通过热废气和液体损失的。通过热声热机回收工业废热,提高了整体效率,节省了资金,减少了排放。此外,所获得的高压系统中燃烧不稳定性的知识将与燃气涡轮机、预混合汽车喷射系统和吸气式推进技术直接相关。

项目成果

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Hickey, JeanPierre其他文献

Hickey, JeanPierre的其他文献

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{{ truncateString('Hickey, JeanPierre', 18)}}的其他基金

Controlling Transcritical Thermoacoustic Interactions for Space Propulsion and Novel Energy Systems
控制空间推进和新型能源系统的跨临界热声相互作用
  • 批准号:
    RGPIN-2016-04143
  • 财政年份:
    2021
  • 资助金额:
    $ 1.75万
  • 项目类别:
    Discovery Grants Program - Individual
Controlling Transcritical Thermoacoustic Interactions for Space Propulsion and Novel Energy Systems
控制空间推进和新型能源系统的跨临界热声相互作用
  • 批准号:
    RGPIN-2016-04143
  • 财政年份:
    2020
  • 资助金额:
    $ 1.75万
  • 项目类别:
    Discovery Grants Program - Individual
Development of a metal-powder fuel for a novel in-space propulsion technology
开发用于新型太空推进技术的金属粉末燃料
  • 批准号:
    542003-2019
  • 财政年份:
    2020
  • 资助金额:
    $ 1.75万
  • 项目类别:
    Collaborative Research and Development Grants
High-fidelity simulations and low-order aeroacoustic modeling of engine test cells
发动机测试单元的高保真模拟和低阶气动声学建模
  • 批准号:
    531362-2018
  • 财政年份:
    2019
  • 资助金额:
    $ 1.75万
  • 项目类别:
    Collaborative Research and Development Grants
Development of a metal-powder fuel for a novel in-space propulsion technology
开发用于新型太空推进技术的金属粉末燃料
  • 批准号:
    542003-2019
  • 财政年份:
    2019
  • 资助金额:
    $ 1.75万
  • 项目类别:
    Collaborative Research and Development Grants
Controlling Transcritical Thermoacoustic Interactions for Space Propulsion and Novel Energy Systems
控制空间推进和新型能源系统的跨临界热声相互作用
  • 批准号:
    RGPIN-2016-04143
  • 财政年份:
    2019
  • 资助金额:
    $ 1.75万
  • 项目类别:
    Discovery Grants Program - Individual
Controlling Transcritical Thermoacoustic Interactions for Space Propulsion and Novel Energy Systems
控制空间推进和新型能源系统的跨临界热声相互作用
  • 批准号:
    RGPIN-2016-04143
  • 财政年份:
    2018
  • 资助金额:
    $ 1.75万
  • 项目类别:
    Discovery Grants Program - Individual
High-fidelity simulations and low-order aeroacoustic modeling of engine test cells********
发动机测试单元的高保真模拟和低阶气动声学建模********
  • 批准号:
    531362-2018
  • 财政年份:
    2018
  • 资助金额:
    $ 1.75万
  • 项目类别:
    Collaborative Research and Development Grants
Low-Order Model of a Fluidic Thrust Vector for a Venture Class Orbital Launch Vehicle**
风险级轨道运载火箭流体推力矢量的低阶模型**
  • 批准号:
    537157-2018
  • 财政年份:
    2018
  • 资助金额:
    $ 1.75万
  • 项目类别:
    Engage Grants Program
Predictive Modelling of Engine Inlet Distortion in Crosswind Conditions
侧风条件下发动机进气道变形的预测建模
  • 批准号:
    513713-2017
  • 财政年份:
    2017
  • 资助金额:
    $ 1.75万
  • 项目类别:
    Engage Grants Program

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Controlling Transcritical Thermoacoustic Interactions for Space Propulsion and Novel Energy Systems
控制空间推进和新型能源系统的跨临界热声相互作用
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    RGPIN-2016-04143
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Controlling Transcritical Thermoacoustic Interactions for Space Propulsion and Novel Energy Systems
控制空间推进和新型能源系统的跨临界热声相互作用
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    RGPIN-2016-04143
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Controlling Transcritical Thermoacoustic Interactions for Space Propulsion and Novel Energy Systems
控制空间推进和新型能源系统的跨临界热声相互作用
  • 批准号:
    RGPIN-2016-04143
  • 财政年份:
    2019
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    $ 1.75万
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    Discovery Grants Program - Individual
Controlling Transcritical Thermoacoustic Interactions for Space Propulsion and Novel Energy Systems
控制空间推进和新型能源系统的跨临界热声相互作用
  • 批准号:
    RGPIN-2016-04143
  • 财政年份:
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  • 资助金额:
    $ 1.75万
  • 项目类别:
    Discovery Grants Program - Individual
Controlling Transcritical Thermoacoustic Interactions for Space Propulsion and Novel Energy Systems
控制空间推进和新型能源系统的跨临界热声相互作用
  • 批准号:
    RGPIN-2016-04143
  • 财政年份:
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  • 资助金额:
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