@inproceedings{oai:jaxa.repo.nii.ac.jp:00006608, author = {土屋, 直木 and 中村, 良也 and 小河原, 和人 and 山方, 章弘 and 児玉, 秀和 and 野崎, 理 and 西澤, 敏雄 and 山本, 一臣 and Tsuchiya, Naoki and Nakamura, Yoshiya and Ogawara, Kazuto and Yamagata, Akihiro and Kodama, Hidekazu and Nozaki, Osamu and Nishizawa, Toshio and Yamamoto, Kazuomi}, book = {宇宙航空研究開発機構特別資料: 航空宇宙数値シミュレーション技術シンポジウム2003論文集, JAXA Special Publication: Proceedings of Aerospace Numerical Simulation Symposium 2003}, month = {Mar}, note = {Fan noise prediction method using unsteady CFD analysis has been developed. It is a hybrid scheme of CFD and linear theory, in which fan noise sources are predicted by unsteady 3D CFD analysis and acoustic power levels in a fan duct are predicted by 3D linear theory. Distributions of fan noise sources predicted by 3D CFD analysis are compared with 2D and 3D linear theory. Acoustic power levels calculated from noise sources of 3D CFD and 3D linear theory are compared and evaluated using fan noise test results., 資料番号: AA0047427007, レポート番号: JAXA-SP-03-002}, pages = {35--40}, publisher = {宇宙航空研究開発機構, Japan Aerospace Exploration Agency (JAXA)}, title = {非定常CFD解析を用いたファン騒音予測}, volume = {JAXA-SP-03-002}, year = {2004} }