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ジェットファンの離散周波数騒音に関する研究 : 第 2 報 : 羽根枚数およびダクト長さの影響
http://hdl.handle.net/10069/5134
http://hdl.handle.net/10069/51349d4bb337-1d4f-4683-9653-027075f29ded
名前 / ファイル | ライセンス | アクション |
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KJ00000136521.pdf (621.7 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2007-01-26 | |||||
タイトル | ||||||
タイトル | ジェットファンの離散周波数騒音に関する研究 : 第 2 報 : 羽根枚数およびダクト長さの影響 | |||||
言語 | ||||||
言語 | jpn | |||||
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 | |||||
著者 |
児玉, 好雄
× 児玉, 好雄× 林, 秀千人× 木下, 朋行× 村山, 将× 近藤, 重樹× 山口, 英告 |
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著者別名 | ||||||
姓名 | Kodama, Yoshio | |||||
著者別名 | ||||||
姓名 | Hayashi, Hidechito | |||||
著者別名 | ||||||
姓名 | Kinoshita, Tomoyuki | |||||
著者別名 | ||||||
姓名 | Murayama, Masaru | |||||
著者別名 | ||||||
姓名 | Kondou, Shigeki | |||||
著者別名 | ||||||
姓名 | Yamaguchi, Hidetsugu | |||||
その他のタイトル | ||||||
その他のタイトル | Study on Discrete Frequency Noise Generated by a Jet Fan : 2nd Report : Effects of the number of blades and the length of duct | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The disdrete frequency noise is the dominant of a jet fan noise. It is possible to discribe atleast three mechanisms by such interactions might be set up. One form is the interaction due to the impeller blades of the front and rear impeller. Another form is the interaction due to the impeller and the struts supported hub. These interaction noises can be controlled by proper selection of the front impeller blades and the rear impeller blades, and the number of impeller blades and the number of struts. The third form is the interaction of the distorted incoming flow with the blades of the impeller. This interaction noise does not decay in the duct. The sound pressure level of which changes with the length of duct. It is due to reason that the frequency of interaction noise coincident with the frequency of air column of duct, that is, the resonance of the air column occur. | |||||
書誌情報 |
長崎大学工学部研究報告 en : Reports of the Faculty of Engineering, Nagasaki University 巻 31, 号 56, p. 49-55, 発行日 2001-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 02860902 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00178418 | |||||
sortkey | ||||||
P00049-P00055 | ||||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 長崎大学工学部研究報告 Vol.31(56) p.49-55, 2001 |