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Inhomogeneous temperature distribution in chondrules in the shock-wave heating
https://jaxa.repo.nii.ac.jp/records/20590
https://jaxa.repo.nii.ac.jp/records/2059032861788-1368-497f-890c-41f9008f0600
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 | Inhomogeneous temperature distribution in chondrules in the shock-wave heating | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 衝撃波加熱 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | コンドリュール | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 温度分布 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 太陽星雲 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 塵粒子 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 熱伝導度 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 数値シミュレーション | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | shock wave heating | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | chondrule | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | temperature distribution | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | solar nebula | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | dust particle | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | thermal conductivity | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | numerical simulation | |||||
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 | |||||
その他のタイトル | ||||||
その他のタイトル | 衝撃波加熱におけるコンドリュール内の非均質な温度分布 | |||||
著者 |
保田, 誠司
× 保田, 誠司× 中本, 泰史× Yasuda, Seiji× Nakamoto, Taishi |
|||||
著者所属 | ||||||
筑波大学 計算科学研究センター | ||||||
著者所属 | ||||||
筑波大学 計算科学研究センター | ||||||
著者所属(英) | ||||||
en | ||||||
University of Tsukuba Center for Computational Sciences | ||||||
著者所属(英) | ||||||
en | ||||||
University of Tsukuba Center for Computational Sciences | ||||||
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37回月・惑星シンポジウム en : Proceedings of the 37th ISAS Lunar and Planetary Symposium p. 45-48, 発行日 2004-02 |
|||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The existence of chondrules indicates that there were heating events of dust particles in the solar nebula. The shock-wave heating model is one of the most plausible models to explain the formation of chondrules. There are various studies of chondrule formation in a framework of the shock-wave heating model in the assumption of homogeneous temperature in dust particles. However, in the shock-wave heating, dust particles are heated from the surface by the gas friction heating, and the thermal energy is transferred toward the inside of the dust particles due to the thermal conduction. So it is expected that dust particles have inhomogeneous temperature distribution. Numerically simulated is whether this inhomogeneous distribution reveals or not. It was found that dust particles have inhomogeneous temperature distribution. For example, when the radius of dust particle is 1 mm, the maximum difference of temperature between the front and the back of the dust particle reaches about 300 K. In addition, for r(sub s) less than 450 micrometer, the back of dust particle does not melt under the condition of the shock velocity v(sub s) = 10 km/s and the post-shock density n(sub g) = 5.0 x 10(exp 14) cm(exp -3), with which condition the dust particles completely melt in the assumption of homogeneous temperature distribution, though the rest of the particle melts. | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0047898012 |