Collaborative Research: Electron Heat Flux Regulation in the Solar Wind
合作研究:太阳风中的电子热通量调节
基本信息
- 批准号:2203321
- 负责人:
- 金额:$ 42.68万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-05-01 至 2025-04-30
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
Understanding and characterizing fundamental processes that take place within the heliosphere and throughout the universe is important, and it could be vital for future human explorations of space, as well as for studying the space environmental impact on modern civilization. Solar wind is the medium through which harmful radiation travels. An accurate description of the solar wind is necessary to understand the propagation of these disturbances from the Sun to the Earth. This project studies solar wind physics. The work supports training of a graduate student and post-doctoral researcher.The research aims to address the compelling science question of "what regulates the solar wind heat flux?" The electrons in the solar wind efficiently conduct heat, thus carrying the heat flux along the anti-sunward direction. Among physical processes that regulate the heat flux, whistler heat-flux instabilities are suggested as being important in the collisionless heat flux regime, while in the collisional regime, the binary collisions are the classical regulation mechanism. Both processes compete against the radial expansion effects. The relative importance of these competing processes, that is, instabilities, collisions, and expansion, remains an outstanding and thus, together they constitute a compelling research topic. The project will use the self-consistent quasilinear theory and kinetic theory of collisions in magnetized plasma to model the evolution of the waves and electron heat flux in the radially-varying solar wind. The theory will be driven by inputs from, and tested against, the well-calibrated measurements of the solar wind electron distribution function from various spacecraft between 0.3 and 1 AU, as well as proton parameters, magnetic field and plasma wave data. Such an integrated and collaborative research on the nature of solar wind electrons and the heat flux they carry will greatly contribute toward improving our understanding of the fundamental processes that take place within the heliosphere.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.
了解和描述日光层内和整个宇宙中发生的基本过程是重要的,这对于未来人类探索空间以及研究空间环境对现代文明的影响可能至关重要。太阳风是有害辐射传播的媒介。对太阳风的准确描述对于理解这些扰动从太阳到地球的传播是必要的。该项目研究太阳风物理学。这项工作支持培养一名研究生和博士后研究人员。这项研究旨在解决“是什么调节了太阳风热通量?“太阳风中的电子有效地传导热量,从而沿着逆太阳方向沿着携带热通量。在调节热通量的物理过程中,哨声热通量不稳定性被认为在无碰撞热通量区是重要的,而在碰撞区,二元碰撞是经典的调节机制。这两个过程都与径向膨胀效应相竞争。这些竞争过程的相对重要性,即不稳定性,碰撞和膨胀,仍然是一个突出的,因此,它们共同构成了一个引人注目的研究课题。该项目将利用磁化等离子体中自洽准线性理论和碰撞动力学理论,模拟径向变化的太阳风中波和电子热通量的演变。这一理论将由来自各种航天器的、经过良好校准的太阳风电子分布函数测量数据以及质子参数、磁场和等离子体波数据的输入数据驱动,并将对照这些数据进行检验,这些数据来自0.3至1 Au的各种航天器。这种对太阳风电子及其携带的热通量性质的综合和合作研究将大大有助于提高我们对日光层内发生的基本过程的理解。该奖项反映了NSF的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。
项目成果
期刊论文数量(11)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Electrostatic upper-hybrid mode instability driven by a ring electron distribution
由环电子分布驱动的静电上杂化模式不稳定性
- DOI:10.1063/5.0151710
- 发表时间:2023
- 期刊:
- 影响因子:2.2
- 作者:Yoon, Peter H.;Omura, Yoshiharu
- 通讯作者:Omura, Yoshiharu
Alternative formulation of weak magnetohydrodynamic turbulence theory
弱磁流体动力学湍流理论的替代表述
- DOI:10.1063/5.0097084
- 发表时间:2022
- 期刊:
- 影响因子:2.2
- 作者:Yoon, Peter H.;Ziebell, Luiz F.;Choe, Gwangson
- 通讯作者:Choe, Gwangson
Wave and Particle Analysis of Z‐Mode and O‐Mode Emission in the Jovian Inner Magnetosphere
- DOI:10.1029/2022ja031199
- 发表时间:2023-04
- 期刊:
- 影响因子:0
- 作者:J. Menietti;P. Yoon;T. Averkamp;W. Kurth;J. Faden;F. Allegrini;P. Kollmann;S. Bolton
- 通讯作者:J. Menietti;P. Yoon;T. Averkamp;W. Kurth;J. Faden;F. Allegrini;P. Kollmann;S. Bolton
Quasilinear theory of general electromagnetic fluctuations including discrete particle effects for magnetized plasmas: General analysis
- DOI:10.1063/5.0104709
- 发表时间:2022-09
- 期刊:
- 影响因子:2.2
- 作者:R. Schlickeiser;P. Yoon
- 通讯作者:R. Schlickeiser;P. Yoon
Hybrid Simulation and Quasi-linear Theory of Bi-Kappa Proton Instabilities
双卡帕质子不稳定性的混合模拟和拟线性理论
- DOI:10.3847/1538-4357/aceb5b
- 发表时间:2023
- 期刊:
- 影响因子:0
- 作者:López, R. A.;Yoon, P. H.;Viñas, A. F.;Lazar, M.
- 通讯作者:Lazar, M.
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Peter Yoon其他文献
SAT311 - Impact of muscle mass on survival of patients with hepatocellular carcinoma after liver transplantation beyond the Milan criteria
SAT311 - 肌肉质量对超出米兰标准的肝移植后肝细胞癌患者生存的影响
- DOI:
10.1016/s0168-8278(22)01933-x - 发表时间:
2022-07-01 - 期刊:
- 影响因子:33.000
- 作者:
Berend Beumer;Jeroen van Vugt;Gonzalo Sapisochin;Peter Yoon;Marco Bongini;Di Lu;Xiao Xu;Paolo De Simone;Lorenzo Pintore;Nicolas Golse;Małgorzata Nowosad;William Bennet;Emmanuel Tsochatzis;Evaggelia Koutli;Fariba Abbassi;Marco Claasen;Manuela Merli;Joanne Orourke;Martina Gambato;Alberto Benito;Jan Ijzermans - 通讯作者:
Jan Ijzermans
Long-term outcomes of laparoscopic liver resection for hepatocellular carcinoma: A propensity score matched analysis of a high-volume North American center
- DOI:
10.1016/j.surg.2021.10.017 - 发表时间:
2022-04-01 - 期刊:
- 影响因子:
- 作者:
Tommy Ivanics;Marco PAW. Claasen;Madhukar S. Patel;Luckshi Rajendran;Chaya Shwaartz;Nathanael Raschzok;Peter Yoon;Carla F. Murillo Perez;Bettina E. Hansen;Hala Muaddi;Carol-Anne Moulton;Trevor Reichman;Anand Ghanekar;Steve Gallinger;Ian McGilvray;Sean P. Cleary;Gonzalo Sapisochin - 通讯作者:
Gonzalo Sapisochin
Review of the Endoscopic, Surgical and Radiological Techniques of Treating Choledocholithiasis in Bariatric Roux-en-Y Gastric Bypass Patients and Proposed Management Algorithm
- DOI:
10.1007/s11695-021-05627-z - 发表时间:
2021-08-05 - 期刊:
- 影响因子:3.100
- 作者:
Qiuye Cheng;Amy Hort;Peter Yoon;Ken Loi - 通讯作者:
Ken Loi
Revisiting the Need for Formal Education in Visualization
重新审视可视化正规教育的必要性
- DOI:
10.1109/mcg.2007.156 - 发表时间:
2007 - 期刊:
- 影响因子:1.8
- 作者:
H. Rushmeier;J. Dykes;J. Dill;Peter Yoon - 通讯作者:
Peter Yoon
2178 EARLY EXPERIENCE PHOTOSELECTIVE VAPORISATION OF THE PROSTATE USING THE 180W LITHIUM TRIBORATE AND COMPARISON WITH THE 120W LITHIUM TRIBORATE LASER
- DOI:
10.1016/j.juro.2012.02.2351 - 发表时间:
2012-04-01 - 期刊:
- 影响因子:
- 作者:
Nicholas Campbell;Amanda Chung;Peter Yoon;Isaac Thangasamy;Henry Woo - 通讯作者:
Henry Woo
Peter Yoon的其他文献
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{{ truncateString('Peter Yoon', 18)}}的其他基金
Coupled Kinetic Physics of Protons and Electrons in the Solar Wind
太阳风中质子和电子的耦合动力学物理
- 批准号:
1842643 - 财政年份:2019
- 资助金额:
$ 42.68万 - 项目类别:
Standard Grant
Theoretical Study of Auroral Radio Waves
极光无线电波的理论研究
- 批准号:
1550566 - 财政年份:2016
- 资助金额:
$ 42.68万 - 项目类别:
Continuing Grant
Study of Solar Energetic Electrons
太阳能高能电子的研究
- 批准号:
1242331 - 财政年份:2012
- 资助金额:
$ 42.68万 - 项目类别:
Continuing Grant
Collaborative Research: Remote Sensing of Electron Density Using Auroral Radio Emissions
合作研究:利用极光无线电发射遥感电子密度
- 批准号:
1147759 - 财政年份:2012
- 资助金额:
$ 42.68万 - 项目类别:
Standard Grant
Electron Acceleration By Large-Amplitude Oblique Whistler Waves
大振幅斜惠斯勒波的电子加速
- 批准号:
1138720 - 财政年份:2011
- 资助金额:
$ 42.68万 - 项目类别:
Continuing Grant
Physics of Solar Radio Emission Process
太阳射电发射过程物理学
- 批准号:
0940985 - 财政年份:2010
- 资助金额:
$ 42.68万 - 项目类别:
Standard Grant
Collaborative Research: Multi-instrument Studies of Auroral Plasma Radiation
合作研究:极光等离子体辐射的多仪器研究
- 批准号:
0838647 - 财政年份:2009
- 资助金额:
$ 42.68万 - 项目类别:
Standard Grant
Nonlinear Theory of Anomalous Resistivity for Buneman Instability
Buneman 不稳定性的反常电阻率非线性理论
- 批准号:
0837878 - 财政年份:2009
- 资助金额:
$ 42.68万 - 项目类别:
Standard Grant
SGER: Nonlinear Theory of Anomalous Resistivity
SGER:反常电阻率非线性理论
- 批准号:
0836364 - 财政年份:2008
- 资助金额:
$ 42.68万 - 项目类别:
Standard Grant
Theory and Modeling of Discrete Auroral Radio Emissions
离散极光无线电发射的理论和建模
- 批准号:
0638638 - 财政年份:2007
- 资助金额:
$ 42.68万 - 项目类别:
Continuing Grant
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