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Construction of a structure evolution model of small solar system bodies by numerical simulations of aggregate collisions

Construction of a structure evolution model of small solar system bodies by numerical simulations of aggregate collisions
通过聚合碰撞数值模拟构建太阳系小天体结构演化模型
批准号:
20740247
负责人:
WADA Koji
金额:
$2.83万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Young Scientists (B)
财政年份:
2008
资助国家:
日本
项目状态:
已结题
起止时间:
2008 至 2009

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中文摘要
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英文摘要
Small solar system bodies, such as comets and asteroids, are considered to be remnants of planetesimals formed through collisional growth of dust aggregates consisting of submicron grains in a protoplanetary disk. We carried out numerical simulations of collisions of dust aggregates to construct a structure evolution model of planetesimals and small solar system bodies. We reveal that very low density planetesimals are inevitably formed as a result of collisional growth of dust aggregates and such process leads small solar system bodies to have low density structures we observe at present.
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Collisional process on comet 9/P Tempel 1: Mass loss of its dust and ices by impacts of asteroidal objects and its collisional history
9/P 坦普尔 1 号彗星的碰撞过程:小行星物体撞击造成的尘埃和冰的质量损失及其碰撞历史
DOI: --
发表时间: 2010
期刊: Earth Planet. Space 62
影响因子: --
作者: [Yamamoto, S., Wada, K., Kobayashi, H., Kimura, H., Ishiguro, M., Matsui, T.]
通讯作者: T.
Comet 9P/Tempel 1: interpretation with the Deep Impact results
彗星 9P/Tempel 1:用 Deep Impact 结果进行解释
DOI: --
发表时间: 2008
期刊: Astrophysical Journal Letters 673
影响因子: --
作者: [Itsuki Sakon, et al., S. Yamamoto]
通讯作者: S. Yamamoto
Numerical simulation of dust aggregate collisions
尘埃聚集体碰撞的数值模拟
DOI: --
发表时间: 2006
期刊:
影响因子: --
作者: [Wada, K]
通讯作者: K
Growth and disruption of dust aggregates by Collisions, Proceedings of Cosmic Dust
碰撞导致尘埃聚集体的生长和破坏,宇宙尘埃论文集
DOI: --
发表时间: 2009
期刊: Near & Far 2008 in Astoronomical Society of the Pacific (in press)
影响因子: --
作者: [Wada, K., Tanaka, H., Suyama, T., Kimura, H., Yamamoto, T.]
通讯作者: T.
25
    Comprehensive Research on Shusho Structures in Early Modern Society: The Shin Buddhist Religious Belief in Social Discrimination
    • 批准号:
      16K02192
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $1.66万
    • 财政年份:
      2016
    • 负责人:
      WADA Koji
    • 依托单位:
    Construction of the light scattering model of ejecta curtain emerging at impact
    • 批准号:
      15K05273
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.91万
    • 财政年份:
      2015
    • 负责人:
      WADA Koji
    • 依托单位:
    Analysis and evaluation of palatability and biological function in sweetener from subtropical resources
    • 批准号:
      26350095
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.91万
    • 财政年份:
      2014
    • 负责人:
      WADA Koji
    • 依托单位:
    Fundamental research into the Jodo Shinshu Buddhist faith of discriminated people in the early modern period
    • 批准号:
      24520074
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $1.83万
    • 财政年份:
      2012
    • 负责人:
      WADA Koji
    • 依托单位:
    海外基金