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Dust growth and H2O evaporation in protoplanetary disks
https://jaxa.repo.nii.ac.jp/records/20526
https://jaxa.repo.nii.ac.jp/records/205263741863f-a977-4fc8-b26a-c3c8471272a4
Item type | 会議発表論文 / Conference Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2015-03-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Dust growth and H2O evaporation in protoplanetary disks | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 原始惑星系円盤 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 惑星進化 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 粒子衝突 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ダスト微粒子 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 蒸発 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 水 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ケイ酸塩 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 微惑星 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | おうし座T型星 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 粒度分布 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | protoplanetary disk | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | planetary evolution | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | particle collision | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | dust grain | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | evaporation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | water | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | silicate | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | planetesimal | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | T Tauri star | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | particle size distribution | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
田中, 秀和
× 田中, 秀和× Tanaka, Hidekazu |
|||||
著者所属 | ||||||
北海道大学低温科学研究所 | ||||||
著者所属(英) | ||||||
en | ||||||
Institute of Low Temperature Science, Hokkaido University | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構宇宙科学研究本部 | |||||
出版者(英) | ||||||
出版者 | Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS) | |||||
書誌情報 |
第38回月・惑星シンポジウム en : Proceedings of the 38th ISAS Lunar and Planetary Symposium p. 41-43, 発行日 2006-03 |
|||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Sub-micrometer sized grains rapidly depletes due to dust growth in realistic weakly turbulent disks if dust disruption is not taken into account. This depletion of sub-micrometer sized grains makes the 10-micrometer silicate feature disappear in the model SED (Spectral Energy Distribution), which is inconsistent with disk observations. The collisional disruption of grains may produce sub-micrometer sized grains. In the present study, we propose the effect of H2O evaporation as an alternative mechanism producing sufficient sub-micron grains. The H2O ice in grains evaporates at the disk surface because of its high temperature compared with the disk interior. Then, grains break up into silicate monomers. This break-up mechanism would also have an important effect on the disk temperature and configuration as well as the 10-micrometer silicate feature. | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0063350011 |