Solidification effects on diffusion experiments due to long capillary method: Numerical simulation

Material type: 文書・図像類

Author: 平田, 淳ほか

Publisher: 宇宙開発事業団

Publication date: 2002-12-27

Material Format: Digital

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Note (General)：: In order to evaluate the solidification effects on diffusion experiments due to the long capillary method, numerical simulations have been carried out...

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Material Type: 文書・図像類
Title: Solidification effects on diffusion experiments due to long capillary method: Numerical simulation
Author/Editor: 平田, 淳
大笹, 憲一
内田, 美佐子
Hirata, Atsushi
Osasa, Kenichi
Uchida, Misako
Author Heading: 平田, 淳
大笹, 憲一
内田, 美佐子
Hirata, Atsushi
Osasa, Kenichi
Uchida, Misako
Publication, Distribution, etc.: 宇宙開発事業団
Publication Date: 2002-12-27
Publication Date (W3CDTF): 2002-12-27
Alternative Title: 長毛細管法による拡散実験に及ぼす固化の影響:数値シミュレーション
Periodical title: 宇宙開発事業団技術報告: Modeling and Precise Experiments of Diffusion Phenomena in Melts Under Microgravity: Annual Reports 2001 = NASDA Technical Memorandum: Modeling and Precise Experiments of Diffusion Phenomena in Melts Under Microgravity: Annual Reports 2001
Pages: 137-142
ISSN (Periodical Title): ISSN : 1345-7888
Text Language Code: eng
Subject Heading: 平衡的固化
拡散
数値シミュレーション
長毛細管法
熱伝導
2次元モデル
温度分布
相転移
濃度プロフィル
equilibrium solidification
diffusion
numerical simulation
long capillary method
heat conduction
two dimensional model
temperature distribution
phase transition
concentration profile
Target Audience: 一般
Note (General): In order to evaluate the solidification effects on diffusion experiments due to the long capillary method, numerical simulations have been carried out. The simulation program to calculate the heat conduction, the flow due to solidification shrinkage and the concentration distribution under equilibrium solidification has been developed based on a two dimensional model with axial symmetry using a finite difference method. The initial concentration distribution and the heat flux by fluid flow were included in the program this year. The calculated results corresponded satisfactorily to the experimental results. The program was extended to the case of non-equilibrium solidification. It was confirmed that the effect of non-equilibrium solidification on the concentration distribution was small.
資料番号: AA0045399014
レポート番号: NASDA-TMR-020025E
Access Restrictions: 限定公開
Periodical Title (NCID): AN00364784
https://ci.nii.ac.jp/ncid/AN00364784
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 宇宙航空研究開発機構 : 宇宙航空研究開発機構リポジトリ