Search Results 1-20 of 2102

  • Intermittent burst driving of Plasma actuator for reduction of drive time and improvement of aerodynamic performance  [in Japanese]

    藤林 大晶 , 大関 義弘 , 手塚 亜聖 , FUJIBAYASHI Hiroaki , OZEKI Yoshihiro , TEZUKA Asei

    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2020オンライン (2020年9月28日-30日. 日本航空宇宙学会 : 宇宙航空研究開発機構(JAXA)オンライン会議)形態: カラー図版あり資料番号: AA2030013003レポート番号: JAXA-SP-20-008

    宇宙航空研究開発機構特別資料: 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2020オンライン論文集 = JAXA Special Publication: Proceedings of Fluid Dynamics Conference / Aerospace Numerical Simulation Symposium 2020 Online (JAXA-SP-20-008), 19-26, 2021-02-08

    IR 

  • Side-Wall Effects on the Global Stability of Swept and Unswept Supercritical Wings at Buffet Conditions

    SANSICA Andrea , 橋本 敦 , 小池 俊輔 , 河内 俊憲 , SANSICA Andrea , HASHIMOTO Atsushi , KOIKE Shunsuke , KOCHI Toshinori

    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2020オンライン (2020年9月28日-30日. 日本航空宇宙学会 : 宇宙航空研究開発機構(JAXA)オンライン会議)形態: カラー図版あり資料番号: AA2030013015レポート番号: JAXA-SP-20-008

    宇宙航空研究開発機構特別資料: 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2020オンライン論文集 = JAXA Special Publication: Proceedings of Fluid Dynamics Conference / Aerospace Numerical Simulation Symposium 2020 Online (JAXA-SP-20-008), 109-118, 2021-02-08

    IR 

  • Unsteady Flow Simulation Around 30P30N High-Lift Airfoil with Immersed Boundary Method on Hierarchical Cartesian Grid  [in Japanese]

    菅谷 圭祐 , 今村 太郎 , SUGAYA Keisuke , IMAMURA Taro

    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2020オンライン (2020年9月28日-30日. 日本航空宇宙学会 : 宇宙航空研究開発機構(JAXA)オンライン会議)形態: カラー図版あり資料番号: AA2030013019レポート番号: JAXA-SP-20-008

    宇宙航空研究開発機構特別資料: 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2020オンライン論文集 = JAXA Special Publication: Proceedings of Fluid Dynamics Conference / Aerospace Numerical Simulation Symposium 2020 Online (JAXA-SP-20-008), 143-147, 2021-02-08

    IR 

  • Aerodynamic Optimal Design of Mars Helicopter Rotor Blade Planform  [in Japanese]

    杉浦 正彦 , 田辺 安忠 , 菅原 瑛明 , 木村 桂大 , 竹川 国之 , 大山 聖 , 佐藤 允 , 金崎 雅博 , 岸 祐希 , SUGIURA Masahiko , TANABE Yasutada , SUGAWARA Hideaki , KIMURA Keita , TAKEKAWA Kuniyuki , OYAMA Akira , SATO Makoto , KANAZAKI Masahiro , KISHI Yuki

    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2020オンライン (2020年9月28日-30日. 日本航空宇宙学会 : 宇宙航空研究開発機構(JAXA)オンライン会議)形態: カラー図版あり資料番号: AA2030013021レポート番号: JAXA-SP-20-008

    宇宙航空研究開発機構特別資料: 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2020オンライン論文集 = JAXA Special Publication: Proceedings of Fluid Dynamics Conference / Aerospace Numerical Simulation Symposium 2020 Online (JAXA-SP-20-008), 157-164, 2021-02-08

    IR 

  • Verification of analysis accuracy on a two-dimensional thin airfoil surface in the immersed boundary method  [in Japanese]

    高木 亮治 , 河合 宗司 , 久谷 雄一 , 玉置 義治 , TAKAKI Ryoji , KAWAI Soshi , KUYA Yuichi , TAMAKI Yoshiharu

    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2020オンライン (2020年9月28日-30日. 日本航空宇宙学会 : 宇宙航空研究開発機構(JAXA)オンライン会議)形態: カラー図版あり資料番号: AA2030013023レポート番号: JAXA-SP-20-008

    宇宙航空研究開発機構特別資料: 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2020オンライン論文集 = JAXA Special Publication: Proceedings of Fluid Dynamics Conference / Aerospace Numerical Simulation Symposium 2020 Online (JAXA-SP-20-008), 173-180, 2021-02-08

    IR 

  • Conceptual Design of Micro Mars Airplane Using Inflatable Wing  [in Japanese]

    Mamiya Issei , Fujita Koji , Nagai Hiroki

    … The cross-section of the wing is bumpy airfoil due to the multiple pressurized tubes that extend in the spanwise direction. …

    JOURNAL OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 69(1), 16-23, 2021

    J-STAGE 

  • Influence of small wavy roughness on flatplate boundary layer natural transition

    TAMEIKE Hiroki , YAKENO Aiko , OBAYASHI Shigeru

    … <p>One of the effective ways to reduce viscous drag around an airfoil is by delaying the boundary layer transition. …

    Journal of Fluid Science and Technology 16(1), JFST0008-JFST0008, 2021

    J-STAGE 

  • Performance of NACA Cambered and Symmetrical Airfoils as Rear Spoilers on Race Car Aerodynamic Drag & Lift: Computational Fluid Dynamics Study

    Dey Shamudra , Saha Ranabir

    … Overall nine simulations have been conducted: one with the flow around the simplistic high-speed sports car model with no spoiler and eight for the representation of the flow across the sports car model with spoilers constructed of NACA 2412 and NACA 0012 airfoil having -6°, -3°, +3° and +6° angles of attack, accordingly. …

    Proceedings of International Exchange and Innovation Conference on Engineering & Sciences (IEICES) (6), 292-298, 2020-10-22

    IR  DOI 

  • Experimental Study of NACA 0012 Airfoil with Slanted Drills Through the Body

    Nogib Anwar Zafi , Md. Afjal Hossain , Md. Taohid Islam Mim

    … The objective of this paper is to present a comparative study of aerodynamic behavior between a conventional and a modified NACA 0012 airfoil. … The modified airfoil has slanted drills through its body where the holes were made along the span at 25%, 50% and 75% of the total chord length of the airfoil. …

    Proceedings of International Exchange and Innovation Conference on Engineering & Sciences (IEICES) (6), 258-263, 2020-10-22

    IR  DOI 

  • Effect on Heat Transfer through an Airfoil Heat Exchanger in a Main Flow with Periodic Total Temperature Change  [in Japanese]

    伊藤 優 , 渡辺 紀德

    日本ガスタービン学会誌 48(5), 303-311, 2020-09

  • Reminder for Design of Rotating Bladed Wheel from Rotor Dynamics View  [in Japanese]

    田口 収

    日本ガスタービン学会誌 48(5), 297-302, 2020-09

  • Mechanisms for Airfoil Separation Control using Plasma Actuator : Unified Knowledge from High-Fidelity Numerical Simulations  [in Japanese]

    佐藤 允 , 青野 光

    ながれ : 日本流体力学会誌 = Nagare : journal of Japan Society of Fluid Mechanics 39(4), 200-207, 2020-08

  • Airfoil Leading Edge Suction and Wing Induced Drag in Aerodynamics Educational Methodology  [in Japanese]

    森下 悦生

    明星大学理工学部研究紀要 = Research bulletin of Meisei University School of Science and Engineering (56), 15-19, 2020-03-24

    IR 

  • Effects of Turbulence Models on the Unsteady Transonic Aerodynamics Around an Oscillating Shock-Free Airfoil  [in Japanese]

    磯貝 紘二 , Isogai Koji

    第51回流体力学講演会/第37回航空宇宙数値シミュレーション技術シンポジウム (2019年7月1日-3日. 早稲田大学早稲田キャンパス国際会議場), 新宿区, 東京形態: 図版あり資料番号: AA1930011004レポート番号: JAXA-SP-19-007

    宇宙航空研究開発機構特別資料: 第51回流体力学講演会/第37回航空宇宙数値シミュレーション技術シンポジウム論文集 = JAXA Special Publication: Proceedings of the 51st Fluid Dynamics Conference / the 37th Aerospace Numerical Simulation Symposium (JAXA-SP-19-007), 89-98, 2020-02-04

    IR 

  • Flow Separation Reattachment over an NACA0021 Airfoil using Stream-Wise Vortex by Dielectric Barrier Discharge Plasma Actuator  [in Japanese]

    大北 裕司 , 荒木 崇志 , 田中 達治

    風力エネルギー 44(3), 23-29, 2020

  • Wind Tunnel Testing of Two-Dimensional Airfoil in Active-Grid-Generated Flows at Low Reynolds Numbers  [in Japanese]

    FUJITA Kazuki , MIZOGUCHI Makoto , ITOH Hajime

    <p>The characteristics of active-grid-generated flows are investigated. Streamwise flow velocities are measured by a hot wire anemometer. Turbulence intensity obtained in a closed test section i …

    The Proceedings of Mechanical Engineering Congress, Japan 2020(0), S05404, 2020

    J-STAGE 

  • Effect of Wing Tip Vortex on Dynamic Lift Generation  [in Japanese]

    UEDA Kazuki , KATO Naoto , HASEGAWA Hiroaki

    … In the present study, the angle of attack of the airfoil is impulsively changed from 0° to the angle set beyond the static stall angle by using a two-dimensional airfoil and a three-dimensional airfoil. … When the airfoil is raised higher lift coefficient is attained than that of static lift coefficient. … The lift curve of three-dimensional airfoil is asymptotic more slowly than that of two-dimensional airfoil. …

    The Proceedings of Mechanical Engineering Congress, Japan 2020(0), S05122, 2020

    J-STAGE 

  • Vorticity Growth Formed by a Translation of wall on a Moving Elastic Airfoil  [in Japanese]

    TONE Chigusa , FUCHIWAKI Masaki

    … The macro scale vortex structure and the characteristics of dynamic forces acting on the elastic moving airfoil have been understood. … However, the details of the vortex structure and the growth process of the vorticity in a vicinity of the wall of an elastic airfoil has not been clarified sufficiently. … In this study, the authors investigate the growth process of the vorticity in a vicinity of the wall of an elastic airfoil by FSI simulation using ANSYS 17.0/ANSYS CFX 17.0. …

    The Proceedings of Mechanical Engineering Congress, Japan 2020(0), S05121, 2020

    J-STAGE 

  • Assessment of density distribution around shock tube airfoil flows  [in Japanese]

    OMORI Akinori , TAGUCHI Masato , KASHITANI Masashi , TANNO Hideyuki

    … <p>In this study, the CFD was performed to investigate aerodynamic characteristics of the supercritical airfoil (SC-0414) attached with Gurney Flap. … The ANSYS FLUENT was used to simulate transonic airfoil flows. …

    The Proceedings of Mechanical Engineering Congress, Japan 2020(0), J19132, 2020

    J-STAGE 

  • Effects of location and operating conditions of vortex-generator type PA on separation control around airfoil:– Second Report –  [in Japanese]

    SATO Makoto , HIRAYAMA Kaito

    … <p>Large-eddy simulations on a separation control flow around a NACA4418 airfoil have been conducted. …

    The Proceedings of Mechanical Engineering Congress, Japan 2020(0), J11106, 2020

    J-STAGE 

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