Ultrafine Inorganic Particle Formation in Plasma-Assisted Combustion
等离子体辅助燃烧中超细无机颗粒的形成
基本信息
- 批准号:2132655
- 负责人:
- 金额:$ 33万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2021
- 资助国家:美国
- 起止时间:2021-08-01 至 2024-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Particulate matter in the atmosphere leads to reduced air quality, poses health issues, and complicates climate prediction. On a global scale, fossil fuel combustion contributes to as much as 85% of the particulate matter in the atmosphere. Plasma-assisted combustion is a promising technology that may reduce emissions, improve combustion efficiency, and enhance low-temperature fuel combustion. However, the formation of particulate matter in plasma-assisted combustion has not been studied in detail. This research plans to examine particle formation in common plasma-assisted combustion systems. The properties of particles will be studied using a suite of novel particle characterization instruments and modeling methods focusing on particles with sizes ranging from 1 to 100 nm. The successful completion of this project will benefit society through the development of new knowledge to understand particle formation in this novel fossil fuel combustion technique. Further benefits to society will be achieved through student education, training, and public outreach. STEM training will be enhanced through integration of research findings into course modules, participation of researchers in K-12 summer science camps, and a partnership with the Rolla, MO Public Library to disseminate the project findings to the public.Limited studies have shown that plasma could potentially reduce particle formation due to kinetic, thermal, hydrodynamic, or a combination of these effects, but detailed mechanisms or relative importance of each effect have not been deconvoluted. These studies left several fundamental questions unanswered: How do ultrafine particle formation mechanisms in plasma-assisted combustion differ from conventional combustion? How do we deconvolute the thermal, kinetic, and hydrodynamic effects of plasma on particle formation during combustion? How can we accurately model ultrafine particle formation in plasma-assisted combustion to predict emission characteristics? This project proposes to answer these questions by deploying a series of recently developed aerosol instruments and modeling tools to probe particle dynamics with scales down to 1 nm. This work has the potential to produce a transformative understanding of particle formation in plasma-assisted combustion.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
大气中的颗粒物导致空气质量下降,造成健康问题,并使气候预测复杂化。在全球范围内,化石燃料燃烧造成了大气中多达85%的颗粒物。等离子体辅助燃烧是一种很有前途的技术,可以减少排放,提高燃烧效率,并加强低温燃料燃烧。然而,等离子体辅助燃烧中颗粒物的形成还没有被详细研究。这项研究计划检查常见的等离子体辅助燃烧系统中的颗粒形成。将使用一套新颖的颗粒表征仪器和建模方法研究颗粒的性质,这些仪器和建模方法侧重于尺寸范围为1至100 nm的颗粒。该项目的成功完成将通过开发新知识来了解这种新型化石燃料燃烧技术中的颗粒形成,从而造福社会。通过学生教育、培训和公众宣传,将进一步造福社会。STEM培训将通过将研究成果整合到课程模块中,研究人员参加K-12夏令营,以及与Rolla,MO公共图书馆合作向公众传播项目成果来加强。有限的研究表明,等离子体可能会减少由于动力学,热,流体动力学或这些效应的组合而形成的颗粒,但每种效应的详细机制或相对重要性尚未被解卷积。这些研究留下了几个基本的问题没有回答:如何在等离子体辅助燃烧超细颗粒的形成机制不同于传统的燃烧?我们如何去卷积的热,动力学和流体动力学等离子体对燃烧过程中颗粒形成的影响?我们如何精确地模拟等离子体辅助燃烧中超细颗粒的形成,以预测排放特性?该项目提出通过部署一系列最近开发的气溶胶仪器和建模工具来探测尺度低至1 nm的粒子动力学来回答这些问题。这项工作有可能产生一个变革性的理解粒子形成等离子体辅助燃烧。这个奖项反映了NSF的法定使命,并已被认为是值得通过评估使用基金会的智力价值和更广泛的影响审查标准的支持。
项目成果
期刊论文数量(4)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Mapping the performance of a versatile water-based condensation particle counter (vWCPC) with numerical simulation and experimental study
- DOI:10.5194/amt-16-3973-2023
- 发表时间:2023-09
- 期刊:
- 影响因子:3.8
- 作者:Weixing Hao;F. Mei;Susanne Hering;Steven Spielman;Beat Schmid;Jason Tomlinson;Yang Wang
- 通讯作者:Weixing Hao;F. Mei;Susanne Hering;Steven Spielman;Beat Schmid;Jason Tomlinson;Yang Wang
Ions Generated from a Premixed Methane-Air Flame: Mobility Size Distributions and Charging Characteristics
预混合甲烷-空气火焰产生的离子:迁移率尺寸分布和充电特性
- DOI:10.1080/00102202.2023.2203818
- 发表时间:2023
- 期刊:
- 影响因子:1.9
- 作者:Bagya Ramesh, Chanakya;Wang, Yang
- 通讯作者:Wang, Yang
Kinetic Particle Simulations of Plasma Charging at Lunar Craters Under Severe Conditions
- DOI:10.2514/1.a35622
- 发表时间:2023-02
- 期刊:
- 影响因子:1.6
- 作者:D. Lund;Xiaoming He;D. Han
- 通讯作者:D. Lund;Xiaoming He;D. Han
Optimizing the activation efficiency of sub-3 nm particles in a laminar flow condensation particle counter: Model simulation
优化层流凝聚粒子计数器中亚 3 nm 粒子的激活效率:模型模拟
- DOI:10.1016/j.jaerosci.2021.105841
- 发表时间:2021
- 期刊:
- 影响因子:4.5
- 作者:Hao, Weixing;Stolzenburg, Mark;Attoui, Michel;Zhang, Jiaoshi;Wang, Yang
- 通讯作者:Wang, Yang
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Daoru Han其他文献
Lunar dust mitigation for solar cells via ultrasonic vibrations
通过超声振动减轻太阳能电池上的月尘(影响)
- DOI:
10.1016/j.actaastro.2024.12.018 - 发表时间:
2025-03-01 - 期刊:
- 影响因子:3.400
- 作者:
Jeremiah J. Rittenhouse;Zachary L. Boeringa;Daoru Han;Daniel S. Stutts - 通讯作者:
Daniel S. Stutts
Kinetic simulations of dust grain charging in experimental plasma conditions
- DOI:
10.1016/j.icarus.2024.116212 - 发表时间:
2024-09-15 - 期刊:
- 影响因子:
- 作者:
David Lund;Nikolaos A. Gatsonis;Daoru Han - 通讯作者:
Daoru Han
Kinetic modeling of dust grain dynamics in electrostatic sieving
- DOI:
10.1007/s40571-024-00729-8 - 发表时间:
2024-03-05 - 期刊:
- 影响因子:2.800
- 作者:
Aaron Berkhoff;Easton Ingram;Fateme Rezaei;Jeffrey Smith;David Bayless;William Schonberg;Daoru Han - 通讯作者:
Daoru Han
Daoru Han的其他文献
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{{ truncateString('Daoru Han', 18)}}的其他基金
Collaborative Research: Lab-Data-Enabled Modeling, Numerical Methods, and Validation for a Three-Dimensional Interface Inverse Problem for Plasma-Material Interactions
协作研究:等离子体-材料相互作用的三维界面反问题的实验室数据建模、数值方法和验证
- 批准号:
2111039 - 财政年份:2021
- 资助金额:
$ 33万 - 项目类别:
Standard Grant
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