Zobrazeno 1 - 4
of 4
pro vyhledávání: '"無響室"'
Autor:
Shibata, Makoto
Publikováno v:
宇宙航空研究開発機構特別資料: 第78回風洞研究会議論文集 = JAXA Special Publication: Proceedings of the Wind Tunnel Technology Association 78th Meeting. :12-18
資料番号: AA0063607001
レポート番号: JAXA-SP-07-005
レポート番号: JAXA-SP-07-005
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::968532d1eca6549093766b549b9f32c3
http://id.nii.ac.jp/1696/00005672/
http://id.nii.ac.jp/1696/00005672/
Autor:
Ito, Takeshi, Ura, Hiroki
Publikováno v:
宇宙航空研究開発機構特別資料: 第77回風洞研究会議論文集 = JAXA Special Publication: Proceedings of the Wind Tunnel Technology Association 77th Meeting. :53-56
航空機の離着陸時の騒音に関し、エンジン低騒音化に伴い、近年、フラップや脚などから発生する機体空力騒音に注目が集まっている。これらの騒音評価および騒音低減のため、風洞を
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::c2b1eea70ab2e332ae70d332e5718368
http://id.nii.ac.jp/1696/00005812/
http://id.nii.ac.jp/1696/00005812/
Publikováno v:
都市・建築学研究. 9:67-74
Polyester nonwoven(PW) is made of fine fibers in the same manner as glass fiber(GW) and high sound absorption may be expected in it. As PW can be completely recycled, it is noticed for its possibility of applications to sound absorbing material from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::a15a1f35d1b77d766fe1cee35442dd3a
http://hdl.handle.net/2324/19075
http://hdl.handle.net/2324/19075
Publikováno v:
電気学会論文誌. A, 基礎・材料・共通部門誌. 125(10):784-790
In this paper, the FDTD method has been applied to analyze the site attenuation of an anechoic chamber at 100 MHz or less where the ray tracing method is not applicable. To calculate site attenuation by a personal computer, the dipole antenna and the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::87713b84dd82d09e81320f015a87353b
https://kyutech.repo.nii.ac.jp/records/7317
https://kyutech.repo.nii.ac.jp/records/7317