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Heating of Porous Icy Dust Aggregates
http://hdl.handle.net/2237/26941
http://hdl.handle.net/2237/269414dad2398-5eb7-42d4-baab-a0b014645d03
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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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 |
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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 |
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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 |