Zobrazeno 1 - 8
of 8
pro vyhledávání: '"液体拡散"'
Publikováno v:
宇宙開発事業団技術報告 = NASDA Technical Memorandum. :131-133
地上における液体拡散係数の測定は浮力対流のために困難である。しかし拡散機構を明らかにするためには、高温における高精度な液体拡散係数が必要である。地上における液体拡散係
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::571c10b67a6efc9e05ad5921a59aae08
http://id.nii.ac.jp/1696/00041871/
http://id.nii.ac.jp/1696/00041871/
Publikováno v:
Modeling and Precise Experiments of Diffusion Phenomena in Melts Under Microgravity: Annual Report 2000. :107-111
The most effective way for liquid diffusion measurements is the shear cell technique. In this method, a diffusion couple is only joined at a target temperature to avoid diffusion during heating and cooling processes, and to avoid solidification effec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::a1872182ce1fd72f0a0f74fc4403ce6b
http://id.nii.ac.jp/1696/00042609/
http://id.nii.ac.jp/1696/00042609/
Publikováno v:
Modeling and Precise Experiments of Diffusion Phenomena in Melts Under Microgravity: Annual Report 2000. :131-138
The solidification effects on liquid diffusion measurements were investigated experimentally. Diffusion couple samples were melted, and solidified under various cooling conditions. The concentration distributions were analyzed after solidification. I
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::25fe0ecf39c2eb9e4bc3dcb98c5156eb
http://id.nii.ac.jp/1696/00042614/
http://id.nii.ac.jp/1696/00042614/
Publikováno v:
Modeling and Precise Experiments of Diffusion Phenomena in Melts Under Microgravity: Annual Report 2000. :145-148
A numerical model was developed to analyze the influences of the residual gravity and the g-jitter under microgravity conditions. A three-dimensional model was employed and calculations were performed by using numerical code named STAR-CD. It is foun
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::b7d27760ed3792bbe2ead0ef0d0180be
http://id.nii.ac.jp/1696/00042616/
http://id.nii.ac.jp/1696/00042616/
Publikováno v:
Modeling and Precise Experiments of Diffusion Phenomena in Melts Under Microgravity: Annual Report 2000. :139-143
In order to evaluate the solidification effects on diffusion experiments due to the long capillary method, numerical simulations were carried out. The simulation program to calculate the heat conduction, the flow due to solidification shrinkage and t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::ccf86a8e3f3f117d72e44f5f23fd7bfc
http://id.nii.ac.jp/1696/00042615/
http://id.nii.ac.jp/1696/00042615/
Publikováno v:
宇宙開発事業団技術報告 = NASDA Technical Memorandum. :117-120
地上における液体拡散の測定は、浮力対流の影響で非常に困難である。対流を抑制する1つの方法は試料の半径を小さくすることである。薄い試料に対して鋳込みによるシアセルを開発し
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::c8253a47dd4710b5c101ae60f5380805
http://id.nii.ac.jp/1696/00041868/
http://id.nii.ac.jp/1696/00041868/
Autor:
Uchida, Misako, Kaneko, Minoru, Fukazawa, Tomoharu, Tanji, Akira, Masaki, Tadahiko, Matsumoto, Satoshi, Itami, Toshio
Publikováno v:
宇宙開発事業団技術報告 = NASDA Technical Memorandum. :63-67
自己拡散と相互拡散との間のDarken'sの関係式を検証するためTR-1A-7ロケットの飛行時に自己拡散係数と相互拡散係数の測定実験を計画した。Ag-Cu合金は化学反応性が低く試料取り扱いが簡
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::e1c64d1e79e37954a295a4d01193cb85
http://id.nii.ac.jp/1696/00041861/
http://id.nii.ac.jp/1696/00041861/
Publikováno v:
宇宙開発事業団技術報告 = NASDA Technical Memorandum. :121-124
シアセル法は液体拡散測定実験法の1つで、加熱冷却過程がないこと、凝固過程が測定に影響しないことが特徴である。しかしこの手法は試料の蒸発を防止する必要が有り、GaAsのような
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::88e920f5a5f9ab6fe3814b3f1b94fab4
http://id.nii.ac.jp/1696/00041869/
http://id.nii.ac.jp/1696/00041869/