Zobrazeno 1 - 10
of 147
pro vyhledávání: '"航空機設計"'
Publikováno v:
工学教育研究;KIT progress. 24:203-211
機体重量の50%に複合材が使用されているBoeing 787 が就航し,次世代型の超音速旅客機の国内開発が期待される中で,複合材を用いた航空機設計について学ぶ機会はほとんど無いのが現状
Publikováno v:
宇宙航空研究開発機構特別資料 = JAXA Special Publication: Proceedings of Lectures and Workshop International: Recent Advances in Multidisciplinary Technology and Modeling. :195-205
There is a biplane concept for an efficient supersonic flight. Busemann biplane is a representative airfoil which has possibility of realizing low-boom and low wave drag. Aerodynamic designs based on the Busemann biplane are demanded for future super
Autor:
Murayama, Mitsuhiro, Yamamoto, Kazuomi
Publikováno v:
宇宙航空研究開発機構特別資料: 第39回流体力学講演会/航空宇宙数値シミュレーション技術シンポジウム2007論文集 = JAXA Special Publication: Proceedings of 39th Fluid Dynamics Conference/Aerospace Numerical Simulation Symposium 2007. :166-171
A CFD (Computational Fluid Dynamics) workshop was held in the 44th Aircraft Symposium, October 2006, in order to evaluate domestic CFD technology for civil transport aircrafts in high-lift configurations. JAXA provided an experimental data for compar
Publikováno v:
宇宙航空研究開発機構特別資料: 境界層遷移の解明と制御研究会講演論文集 第40回 = JAXA Special Publication: Proceedings of the 40th JAXA Workshop on Investigation and Control of Boundary-Layer Transition. :31-34
A new pitch controller for our developed small airplane was designed, and its ability was confirmed by simulation. In the pitch controller, outputs from the MEMS (Micro Electro Mechanical System) flow sensor and the transfer function determined by th
Autor:
Sasaki, Masafumi
Publikováno v:
宇宙航空研究開発機構特別資料: 第79回風洞研究会議論文集 = JAXA Special Publication: Proceedings of the Wind Tunnel Technology Association 79th Meeting. :33-36
In this study, the aerodynamic performance of CCW (Circulation Control Wings) is investigated by two-dimensional (2D) CFD (Computational Fluid Dynamics) and the results are verified by 2D Wind-Tunnel-Test. It is found that CCW can achieve very higher
Autor:
Kanbe, Tsutomu
Publikováno v:
宇宙航空研究開発機構特別資料: 境界層遷移の解明と制御研究会講演論文集 第40回 = JAXA Special Publication: Proceedings of the 40th JAXA Workshop on Investigation and Control of Boundary-Layer Transition. :21-24
Science history of fluid mechanics research in Japan is reviewed for the time during the first half of 20th century. Three distinguished persons, Torahiko Terada, Itiro Tani and Isao Imai, were more or less associated with the Aeronautical Research I
Publikováno v:
宇宙航空研究開発機構特別資料: 第39回流体力学講演会/航空宇宙数値シミュレーション技術シンポジウム2007論文集 = JAXA Special Publication: Proceedings of 39th Fluid Dynamics Conference/Aerospace Numerical Simulation Symposium 2007. :184-189
In this study, CFD (Computational Fluid Dynamics) analysis is performed on a JAXA 3D High-lift Configuration. The main object is to assess and improve the reliability in simulating the flow around High-Lift configuration. The lift prediction shows qu
Publikováno v:
宇宙航空研究開発機構特別資料: 第39回流体力学講演会/航空宇宙数値シミュレーション技術シンポジウム2007論文集 = JAXA Special Publication: Proceedings of 39th Fluid Dynamics Conference/Aerospace Numerical Simulation Symposium 2007. :190-195
Flow around JAXA HLD (High Lift Devices) wind tunnel model is analyzed by RANS (Reynolds Averaged Navier Stokes) CFD (Computational Fluid Dynamics) method and compared with the experimental data obtained by JAXA. Unstructured mesh with overset techni
Publikováno v:
宇宙航空研究開発機構特別資料: 第39回流体力学講演会/航空宇宙数値シミュレーション技術シンポジウム2007論文集 = JAXA Special Publication: Proceedings of 39th Fluid Dynamics Conference/Aerospace Numerical Simulation Symposium 2007. :68-74
In this paper, a multi-objective design exploration for a three-element airfoil which consists of a slat, main wing, and flap was carried out by paying attention to the span wise flow effect. Reynolds Averaged Navier-Stokes Solver (RANS) was used for
Publikováno v:
宇宙航空研究開発機構特別資料: 第39回流体力学講演会/航空宇宙数値シミュレーション技術シンポジウム2007論文集 = JAXA Special Publication: Proceedings of 39th Fluid Dynamics Conference/Aerospace Numerical Simulation Symposium 2007. :17-21
We numerically analyze supersonic flows around a delta wing with bent wing tip. The results show that the lift and drag forces decrease with the increase in the bending angle. But the local augmentation is observed around the hinge line of bending in