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ファンエンジンFJR710による吸入消音ダクト及びファン排気消音ダクトの地上実機試験
https://jaxa.repo.nii.ac.jp/records/43984
https://jaxa.repo.nii.ac.jp/records/4398493a5bd15-3b3b-4058-8400-9363c24bc7c2
名前 / ファイル | ライセンス | アクション |
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naltm00401.pdf (3.4 MB)
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Item type | テクニカルレポート / Technical Report(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | ファンエンジンFJR710による吸入消音ダクト及びファン排気消音ダクトの地上実機試験 | |||||
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_18gh | |||||
資源タイプ | technical report | |||||
その他のタイトル(英) | ||||||
その他のタイトル | Static Test of Noise Suppressors for FJR710 Turbofan Engine | |||||
著者 |
渡辺, 実
× 渡辺, 実× 鳥崎, 忠雄× 武田, 克己× 小林, 紘× 関根, 静雄× 中山, 普× 吉田, 晃× 越沼, 威× 松田, 幸雄× WATANABE, Minoru× TORISAKI, Tadao× TAKEDA, Katsumi× KOBAYASHI, Hiroshi× SEKINE, Shizuo× NAKAYAMA, SUSUMU× YOSHIDA, Akira× KOSHINUMA, Takeshi× MATSUDA, Yukio |
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著者所属 | ||||||
航空宇宙技術研究所航空機公害研究グループ | ||||||
著者所属 | ||||||
航空宇宙技術研究所航空機公害研究グループ | ||||||
著者所属 | ||||||
航空宇宙技術研究所航空機公害研究グループ | ||||||
著者所属 | ||||||
航空宇宙技術研究所航空機公害研究グループ | ||||||
著者所属 | ||||||
航空宇宙技術研究所原動機部 | ||||||
著者所属 | ||||||
航空宇宙技術研究所原動機部 | ||||||
著者所属 | ||||||
航空宇宙技術研究所原動機部 | ||||||
著者所属 | ||||||
航空宇宙技術研究所原動機部 | ||||||
著者所属 | ||||||
航空宇宙技術研究所原動機部 | ||||||
出版者 | ||||||
出版者 | 航空宇宙技術研究所 | |||||
出版者(英) | ||||||
出版者 | National Aerospace Laboratory(NAL) | |||||
書誌情報 |
航空宇宙技術研究所資料 en : Technical Memorandum of National Aerospace Laboratory 巻 401, p. 29, 発行日 1980-01 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Inlet and fan exhaust noise suppressors for a high by-pass ratio turbofan engine (FJR710) were ground tested.The inlet and fan exhaust duct walls were lined with perforated-plate-on-honeycomb absorbers.Acoustically treated splitter rings could be inserted into the inlet duct for a greater noise attenuation.The inner and outer walls of the annular fan exhaust duct were lined with different depth absorbers for a broader band noise attenuation.Sound power attenuation spectra were obtained by an insertion loss technique using far field measurements.Noise from each treated duct was compared with noise from a hard wall duct without splitters.A maximum perceived noise level attenuation due to the suppressors of 16 PNdB was obtained at 95% fan speed.Degradations of engine performance caused by the fully equipped suppressors with splitter rings were about 3% of the engine thrust.No detectable thrust loss was measured in other experimental cases without splitter rings. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0452-2982 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00314334 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: NALTM0401000 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: NAL TM-401 |