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  1. D300 大学院環境学研究科
  2. D300a 雑誌掲載論文
  3. 学術雑誌

Heating of Porous Icy Dust Aggregates

http://hdl.handle.net/2237/26941
http://hdl.handle.net/2237/26941
4dad2398-5eb7-42d4-baab-a0b014645d03
名前 / ファイル ライセンス アクション
Sirono_2017_ApJ_842_11.pdf Sirono_2017_ApJ_842_11.pdf (715.8 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2017-09-05
タイトル
タイトル Heating of Porous Icy Dust Aggregates
言語 en
著者 Sirono, Sin-iti

× Sirono, Sin-iti

WEKO 73381

en Sirono, Sin-iti

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 © 2017. The American Astronomical Society
抄録
内容記述 At the beginning of planetary formation, highly porous dust aggregates are formed through coagulation of dust grains. Outside the snowline, the main component of an aggregate is H2O ice. Because H2O ice is formed in amorphous form, its thermal conductivity is extremely small. Therefore, the thermal conductivity of an icy dust aggregate is low. There is a possibility of heating inside an aggregate owing to the decay of radionuclides. It is shown that the temperature increases substantially inside an aggregate, leading to crystallization of amorphous ice. During the crystallization, the temperature further increases sufficiently to continue sintering. The mechanical properties of icy dust aggregates change, and the collisional evolution of dust aggregates is affected by the sintering.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 IOP publishing
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.3847/1538-4357/aa7389
ISSN
収録物識別子タイプ PISSN
収録物識別子 0004-637X
書誌情報 en : Astrophysical Journal

巻 842, 号 1, p. 11-11, 発行日 2017-06-10
著者版フラグ
値 publisher
URI
識別子 https://doi.org/10.3847/1538-4357/aa7389
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/26941
識別子タイプ HDL
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