Collaborative EAGER Proposal: The Dead Zones of Protoplanetary Disks are Not Dead - How Turbulence Transports Angular Momentum and Forms Planetesimals
协作式 EAGER 提案:原行星盘的死区并未死——湍流如何传输角动量并形成星子
基本信息
- 批准号:1510703
- 负责人:
- 金额:$ 26.12万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2015
- 资助国家:美国
- 起止时间:2015-03-01 至 2017-02-28
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This EAGER award funds a collaborative study to study the turbulence of gas and dust in the material that will form planets around stars. The mechanism to be studied could be important in forming the small rocky bodies that are the cores of future planets, and whose process of formation is poorly understood. This study has potential impact in understanding the formation of our own Solar System and of the planets around other stars. The research will create a team consisting of undergraduate and graduate students, and postdoctoral scholars. The collaborative nature of our research will synergistically provide opportunities for students at San Francisco State University, a minority-serving non-PHD institution, to work with students and faculty at University of California at Berkeley. The investigators will also train and mentor a postdoctoral researcher.To accomplish their science goals, the team will compute angular momentum transport in a protoplanetary disk (PPD) dead zone filled with large-amplitude turbulence, compute the rate at which dust and rocks accumulate and agglomerate in a turbulent PPD, and compute mixing in a PPD. In particular, they will determine if the ingredients from which chondrules form become sufficiently mixed that their composition agrees with observations. They will also develop the capability to carry out the above-listed calculation of momentum transport efficiently by extending their current spectral code, which works with anelastic flows, to one that works with fully-compressible flows with Mach numbers less than 3 (as in dead zones). The team will develop the capability to carry out the above-listed calculations of planetesimal and chondrule formation efficiently by replacing their "particle-tracking" code with one that models the rocks and dust as different phases of the fluid flow.
这一热切的奖项资助了一项合作研究,以研究气体和尘埃在将形成恒星周围行星的物质中的湍流。要研究的机制可能对形成小型岩石体很重要,这些岩石体是未来行星的核心,其形成过程尚不清楚。这项研究对理解我们自己太阳系的形成以及其他恒星周围行星的形成具有潜在的影响。这项研究将建立一支由本科生和研究生以及博士后学者组成的团队。我们研究的协作性质将协同为旧金山州立大学的学生提供与加州大学伯克利分校的学生和教职员工合作的机会。旧金山州立大学是一家面向少数族裔的非博士生机构。研究人员还将培训和指导一名博士后研究人员。为了实现他们的科学目标,该团队将计算充满大范围湍流的原行星盘(PPD)死区中的角动量传输,计算尘埃和岩石在湍流PPD中积累和聚集的速率,并计算PPD中的混合。特别是,他们将确定形成球粒的成分是否充分混合,其组成与观察结果一致。他们还将开发有效地执行上述动量输运计算的能力,方法是将他们目前适用于滞弹性流动的频谱代码扩展到适用于马赫数小于3的完全可压缩流动(如在死区)。该团队将开发出有效执行上面列出的行星小行星和球粒形成计算的能力,方法是用一种将岩石和尘埃模拟为流体流动的不同阶段的代码来取代他们的“粒子跟踪”代码。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Philip Marcus其他文献
Depth of a strong jovian jet from a planetary-scale disturbance driven by storms
风暴驱动的行星规模扰动产生的强烈木星喷流的深度
- DOI:
- 发表时间:
2008 - 期刊:
- 影响因子:64.8
- 作者:
A. Sánchez‐Lavega;Glenn S. Orton;R. Hueso;E. García‐Melendo;S. Pérez;A. Simon;J. F. Rojas;J. M. Gómez;P. Yanamandra;L. N. Fletcher;J. Joels;J. Kemerer;J. Hora;E. Karkoschka;I. Pater;M. Wong;Philip Marcus;Noemi Pinilla;F. Carvalho;C. Go;D. Parker;M. Salway;M. Valimberti;A. Wesley;Zac Pujic - 通讯作者:
Zac Pujic
The Israel Family Court – Therapeutic jurisprudence and jurisprudential therapy from the start
- DOI:
10.1016/j.ijlp.2018.06.006 - 发表时间:
2019-03-01 - 期刊:
- 影响因子:
- 作者:
Philip Marcus - 通讯作者:
Philip Marcus
E NFORCING H ARD P HYSICAL C ONSTRAINTS IN CNN S T HROUGH D IFFERENTIABLE PDE L AYER
通过可微偏微分方程层在 CNN 中强化硬物理约束
- DOI:
- 发表时间:
2020 - 期刊:
- 影响因子:0
- 作者:
Chiyu “Max”;Jiang;K. Kashinath;Lawrence Berkeley;National Lab;Philip Marcus - 通讯作者:
Philip Marcus
Fibrocystic Lung Disease: An Unusual Cause
- DOI:
10.1378/chest.91.1.113 - 发表时间:
1987-01-01 - 期刊:
- 影响因子:
- 作者:
Steven G. Orshan;Leonard J. Rossoff;Philip Marcus - 通讯作者:
Philip Marcus
Philip Marcus的其他文献
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{{ truncateString('Philip Marcus', 18)}}的其他基金
Title: RUI & Collaborative Research: Planet Embryos in Vortex Wombs: Simulations of Gas, Dust and Magnetic Fields in Protoplanetary Disks and the Formation of Planets
标题: 锐
- 批准号:
1010046 - 财政年份:2010
- 资助金额:
$ 26.12万 - 项目类别:
Continuing Grant
Automated extraction of Saturn's winds and comparison with 3D simulations of Saturn's two polar vortices and transient vortices
自动提取土星风并与土星两极涡旋和瞬态涡旋的 3D 模拟进行比较
- 批准号:
1009907 - 财政年份:2010
- 资助金额:
$ 26.12万 - 项目类别:
Continuing Grant
Variability in Jupiter's Weather and Climate
木星天气和气候的变化
- 批准号:
0808200 - 财政年份:2008
- 资助金额:
$ 26.12万 - 项目类别:
Standard Grant
Computation of 3D Hydrodynamic, Hydromagnetic and Dust-Laden Flows in Protoplanetary Disks and Their Roles in Planetesimal and Star Formation
原行星盘中 3D 流体动力、流体磁力和尘埃流动的计算及其在小行星和恒星形成中的作用
- 批准号:
0607836 - 财政年份:2006
- 资助金额:
$ 26.12万 - 项目类别:
Continuing Grant
Vortices in Protoplanetary Disks: Their Role in Angular Momentum Transport and Planetesimal Formation
原行星盘中的涡旋:它们在角动量传输和星子形成中的作用
- 批准号:
0098465 - 财政年份:2001
- 资助金额:
$ 26.12万 - 项目类别:
Continuing Grant
Vortex Structure, Inverse Cascades, and Turbulent Bursts in Rotating, Stratified Flows
旋转层流中的涡流结构、逆级联和湍流爆发
- 批准号:
9978842 - 财政年份:2000
- 资助金额:
$ 26.12万 - 项目类别:
Standard Grant
De-Stabilization of Aircraft Wake Vortices
飞机尾流涡的失稳
- 批准号:
9632579 - 财政年份:1996
- 资助金额:
$ 26.12万 - 项目类别:
Continuing Grant
The Formation and Maintenance of the Zonal Winds of Jupiter and Saturn
木星和土星纬向风的形成和维持
- 批准号:
9423305 - 财政年份:1995
- 资助金额:
$ 26.12万 - 项目类别:
Continuing Grant
Computer-Enhanced Classroom Instruction in Mathematics
计算机增强数学课堂教学
- 批准号:
9352029 - 财政年份:1993
- 资助金额:
$ 26.12万 - 项目类别:
Standard Grant
The Dynamics of Long-Lived Planetary Vortices
长寿行星涡旋的动力学
- 批准号:
9119766 - 财政年份:1992
- 资助金额:
$ 26.12万 - 项目类别:
Continuing Grant
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