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Development of an ice core drill for liquid-filled holes
https://nipr.repo.nii.ac.jp/records/2080
https://nipr.repo.nii.ac.jp/records/2080f1724b4c-8b09-40a3-969a-c8182aeefa15
名前 / ファイル | ライセンス | アクション |
---|---|---|
KJ00000012633 (780.7 kB)
|
Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 1986-12-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Development of an ice core drill for liquid-filled holes | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Suzuki,Yosio
× Suzuki,Yosio× Shimbori,Kunio |
|||||
著者所属(英) | ||||||
en | ||||||
Institute of Low Temperature Science, Hokkaido University/Institute of Low Temperature Science, Hokkaido University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Simple tests simulating drilling in a liquid-filled hole were done of an S-type Archimedean core drill, consisting of a drive-unit, a jacket, a shaft with a screw booster and a sweeper, and a barrel. The barrel length was 0.9m. The tests revealed that the clearance between the jacket and the barrel (which together made up an Archimedean pump) should be a little wider for drilling in a liquidfilled hole than in a dry hole. With the clearance of 7.4mm, the pump could transport ice chips to the storage space between the booster and the sweeper, where the booster compacted chips by squeezing a large portion of the liquid through the sweeper which was permeable to liquid. The porosity of compacted chips could be as low as 35%. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00733561 | |||||
書誌情報 |
Memoirs of National Institute of Polar Research. Special issue 巻 45, p. 86-92, 発行日 1986-12 |