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コールドスプレーにおけるヘリウムガスの効果 : 粒子のノズル内における加速とプレート衝撃波による減速
http://hdl.handle.net/10232/14419
http://hdl.handle.net/10232/14419051fc8fb-45f0-49fd-85ce-98b092c6e65e
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-01-07 | |||||
タイトル | ||||||
タイトル | コールドスプレーにおけるヘリウムガスの効果 : 粒子のノズル内における加速とプレート衝撃波による減速 | |||||
タイトルよみ | ||||||
タイトルよみ | コールド スプレー ニオケル ヘリウム ガス ノ コウカ : リュウシ ノ ノズル ナイ ニオケル カソク ト プレート ショウゲキハ ニヨル ゲンソク | |||||
別言語のタイトル | ||||||
その他のタイトル | Effect of helium gas in cold spray process : Particle acceleration in nozzle and deceleration by plate shock wave | |||||
著者 |
片野田, 洋
× 片野田, 洋 |
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著者よみ | ||||||
姓名 | カタノダ, ヒロシ | |||||
別言語の著者 | ||||||
姓名 | KATANODA, Hiroshi | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Cold spray | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Particle velocity | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Helium gas | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Plate shock wave | |||||
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 | journal article | |||||
要約(Abstract) | ||||||
内容記述タイプ | Other | |||||
内容記述 | This paper investigates the physical reasons of why the particle is more accelerated in the cold spray nozzle when helium gas is used as a process gas compared to nitrogen gas, by using one-dimensional calculation. In addition, the deceleration mechanism of the particle between a plate shock wave and a substrate is also investigated. The selected particle in the calculation is spherical Cu with the diameters of 5 and 15μm. The calculated results reveal that 1) the particle injected into the helium gas flow has a larger velocity just upstream of the plate shock wave because a larger drag force keeps acting on the particle from the injection port to the plate shock wave. The larger drag force is due to a larger drag coefficient just downstream of the injection port, followed by a larger squared relative velocity of the particle in the downstream region,2 ) the particle accelerated by the helium gas is less decelerated between the plate shock wave and the substrate because the squared relative velocity of the particle is decreased to less than 1/10 by passing through the plate shock wave for the helium gas case. |
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収録雑誌名 |
溶射 巻 48, 号 2, p. 52-58 |
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作成日 | ||||||
日付 | 2011-02-01 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
ISSN | 09166076 | |||||
NII書誌ID(雑誌) | ||||||
収録物識別子タイプ | NCID | |||||
NC ID | AN10502250 | |||||
権利 | ||||||
権利情報 | 日本溶射学会 | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
NDC | ||||||
主題Scheme | NDC | |||||
主題 | 423 | |||||
公開者・出版者 | ||||||
出版者 | 日本溶射学会 | |||||
関連(relation) |