Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Hideomi Nakamura"'
Publikováno v:
Journal of the Japanese Society of Snow and Ice. 64:25-31
これまで雪崩実験シュートを用いて測定された,雪塊の壁,杭および小円板に対する衝撃波形は,いずれも衝突直後に最大値が出現して,その後しだいに減衰するというものであった.本報告
Publikováno v:
Journal of the Japanese Society of Snow and Ice. 59:189-199
雪崩実験シュートを用いて, 雪塊の壁, 杭および小円板に対する衝撃実験を行い, その衝撃特性を明らかにした. (1) 衝突画像と衝撃波形との対応から, 高速変形時の破壊形式を, 脆性破壊,
Publikováno v:
Annals of Glaciology. 18:142-148
The mechanisms of strong winds associated with snow clouds, and the relationship between strong winds and blowing/drifting snow, were investigated. A snowstorm occurred with a typical L-mode snow band which was generated and organized longitudinally
Autor:
Tadashi Kimura, Masayuki Maki, Atsushi Sato, Sento Nakai, Takeshi Sato, Hideomi Nakamura, Tsuruhei Yagi, Masao Higashiura
Publikováno v:
Annals of Glaciology. 18:155-160
This research investigates mechanisms of drifting snow accumulation, and of strong wind associated with snow clouds (developed cumulus). Detailed structure of snow drifting close to the ground was observed at several sites by use of snow particle cou
Publikováno v:
Journal of the Japanese Society of Snow and Ice. 53:11-20
大型野外シュートを用いて行った雪塊と杭の衝撃実験から,次の解析結果を得た.(1)衝突開始から衝撃力の最初のピーク発生時までの時間は,衝突速度12m/sで2.5~5ms,衝突速度8m/sでは7.5~10ms
Publikováno v:
Journal of Glaciology. 32:321-324
Data from experimental tests of snow-block impact against vertical barriers are used to establish values of parameters in order to computer-model the impact mechanics. The results show that total impulse, impact force, and duration of impact can be m
Publikováno v:
Annals of Glaciology. 6:95-99
Computer analysis is carried out to predict the force that bears upon a horizontal beam embedded in settling snowpack. Use is made of extensive experimental data on snow depth, layering and density, and on measured force on a test beam, in order to e
Autor:
Hideomi Nakamura
Publikováno v:
Journal of the Japanese Society of Snow and Ice. 40:31-36
In the seasons when natural fresh snow is unvailable, it is necessary to produce fresh srow artificially in order to carry out the experiments on freshly fallen snow. However, it is difficult to produce a lot of snow crystals at a time, and the autho
Autor:
Hideomi Nakamura
Publikováno v:
Journal of the Japanese Society of Snow and Ice. 40:37-41
Autor:
Hideomi Nakamura
Publikováno v:
Journal of the Japanese Society of Snow and Ice. 49:147-149