Search Results:　 1-20 of 39

  • 1

    Thermal Response Analysis of Low-Density CFRP Ablator

    SUZUKI Toshiyuki , FUJITA Kazuhisa , SAKAI Takeharu , OKUYAMA Kei-ichi , KATO Sumio , NISHIO Seiji

    … The thermal characteristics of the low-density ablator are quantified by conducting the heating tests of materials in an arcjet wind tunnel. … The arcjet wind tunnel is run for two sets of operational condition: a low heating condition for the heat flux of 0.97 MW/m2 and the impact pressure of 1.93 kPa, and a high heating one for 1.97 MW/m2 and 4.25 kPa, respectively. …

    TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN 10(ists28), Pe_21-Pe_30, 2012

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  • 2

    A Fast-response Pressure Sensitive Paint Based on Ultrafine Ceramic Powder Films  [in Japanese]

    KAMEDA Masaharu , AMAO Yutaka

    Ceramics Japan 46(7), 576-581, 2011-07-01

    References (20)

  • 3

    Development of a Low-Density Wind Tunnel for Simulating Martian Atmospheric Flight

    ANYOJI Masayuki , NOSE Kei , IDA Shingo , NUMATA Daiju , NAGAI Hiroki , ASAI Keisuke

    … A new type of low-density wind tunnel called the "Mars Wind Tunnel (MWT)" has been developed to simulate airfoil flow in the Mars atmosphere. … It is confirmed that the MWT has a flow quality and operational characteristics that are suitable for aerodynamic testing of Mars airplanes. …

    TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN 9, 21-27, 2011

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  • 4

    Dynamic Modeling and Analysis of Fixed-Wing Micro Air Vehicle

    KUO Zeal-Sain , SOONG Chyi-Yeou , CHANG Yun-Sheng

    … To explore the stability and control characteristics, the aerodynamic derivatives required by dynamic modeling are evaluated using low-Reynolds-number wind tunnel testing data and some theoretical/empirical formulas. …

    TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 53(181), 180-191, 2010-11-04

    J-STAGE CrossRef References (25)

  • 5

    Wind Tunnel Testing on Crosswind Aerodynamic Forces Acting on Railway Vehicles

    KWON Hyeok-bin , NAM Seong-won , YOU Won-hee

    … The aerodynamic forces on each vehicle of the trains have been measured in the subsonic wind tunnel with 4m×3m test section of Korea Aerospace Research Institute at Daejeon, Korea. …

    Journal of Fluid Science and Technology 5(1), 56-63, 2010

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  • 6

    The Launch Test of the Hybrid Rocket and Its Range Safety  [in Japanese]

    HABU Hiroto , WADA Eiichi , NIWA Takahiro , KONDO Yasuo , KAWAMURA Takafumi , MARUYAMA Shinya , OKAMURA Ayano , YAMASHINA Saera , NAGAI Yasuhito , NAKAMICHI Tatsuya , UEMICHI Akane , TANAKA Naruaki , KOBAYASHI Naoki , KASAHARA Jiro , MORITA Yasuhiro

    … Aerodynamic characteristics of the rocket designed by students of Tsukuba University were evaluated by the wind tunnel testing with the support of Tokai University. … The flight path affected by the environmental condition, especially wind direction and velocity, was simulated with the original calculation program. …

    AEROSPACE TECHNOLOGY JAPAN, THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 9, 15-21, 2010

    J-STAGE CrossRef

  • 7

    C107 RADIAL TURBINE WITH AIRFLOW RECTIFICATION SYSTEM FOR WAVE ENERGY CONVERSION(Solar, Wind and Wave Energy-2)

    KONNO Toshio , NAGATA Yoshihiro , TAKAO Manabu , SETOGUCHI Toshiaki

    … The objective of this study is to propose a new radial flow turbine for wave energy conversion and to clarify its performance by model testing. … The rotor with a diameter of 500mm has been manufactured and investigated experimentally under steady flow condition which is generated by a wind tunnel using a piston/cylinder system with a diameter of 1.4m. …

    Proceedings of the International Conference on Power Engineering : ICOPE 2009(1), "1-167"-"1-171", 2009-11-16

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  • 8

    J0501-3-4 Optimization of aerodynamic shape using deformable wind tunnel model for wind tunnel test  [in Japanese]

    NAGAMINE Futoshi , KISHIGE Hiroaki , IKEDA Mitsuru , MITSUMOJI Takeshi , SUZUKI Masahiro

    … Therefore, the authors proposed shape-optimization method based on wind tunnel testing with "Deformable Wind runnel Model", which is composed of frames and a film. …

    年次大会講演論文集 : JSME annual meeting 2009(7), 29-30, 2009-09-12

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  • 9

    Thermal protection testing for SiC Material in the high temperature carbon dioxide gas  [in Japanese]

    GOTO Hayato , ITO Toyohiro , FUNATSU Masato , SAKAI Takeharu , KITAGAWA Kazutaka , YASUHARA Michiru

    … The arcjet performance of an arc heated wind tunnel is an important research field for thermal protection technology of the hypersonic flight environments and for disposal of industrial and medical waste in the environmental problem. … Shore hardness (HS) for SiC have 112 on surface of virgin material and 80 to 100 after ablation testing, respectively. …

    Proceedings, ... meeting of Japan Society of Fluid Mechanics 2009, 220, 2009-09-02

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  • 10

    Wind Tunnel Testing of JSAE Standard Low-aerodynamic-drag Vehicle Body Using 1/5 Scale Model

    SHIMANO Kenjiro , KUMANO Takahiro , TAKAGI Michitoshi , ONO Kenji , HORINOUCHI Nariaki , TARUMI Seiji

    Review of Automobile Engineering 30(1), 51-60, 2009-01-01

    References (7) Cited by (1)

  • 11

    Development of a Self-Illumination Correction Program for Pressure-Sensitive Paint Measurements  [in Japanese]

    KUCHI-ISHI Shigeru , KURITA Mitsuru , MITSUO Kazunori , FUJII Keisuke

    本報告は、JAXA 風洞試験に供せられる、感圧塗料試験データのself-illumination 効果を補正するプログラムの開発に関する詳細な記述である。発光性塗料の反射光の影響は、拡散反射を仮定すれば輻射解析およびコンピュータグラフィックスの分野において開発された手法によって妥当に補正可能であることが過去に示されている。陰面消去処理を含めたフォームファクタ計算手法の具体的な適用手順が、補正精度向 …

    JAXA research and development report JAXA-RR-08-002, 1-15, 2008-12-00

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  • 12

    11701 Study on Deformable Wind Tunnel Model to Obtain Adequate Aerodynamic Characteristics by Experimental Shape-Optimization  [in Japanese]

    NAKAMURA Yoshihiro , NAGAMINE Futoshi , IKEDA Mitsuru , MITSUMOJI Takeshi , SUZUKI Masahiro

    … The purpose of this study is to develop a new kind of wind tunnel model to obtain aerodynamic characteristics of various cross-sectional shapes for experimental shape-optimization. … Wind tunnel testing was carried out to estimate the efficiency of the model. …

    日本機械学会関東支部総会講演会講演論文集 2008(14), 83-84, 2008-03-13

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  • 13

    The Effect of Layer Thickness on Aerodynamic Characteristics of Wind Tunnel RP Models

    DANESHMAND S. , ADELNIA R. , AGHANAJAFI C.

    … Nowadays, rapid prototyping (RP) methods are widely used to produce wind tunnel testing models. … Layer thickness is an important parameter that affects aerodynamic characteristics of wind tunnel models. … This paper describes the effects of Layer thickness, using rapid prototyping, on aerodynamic coefficients to construct wind tunnel testing models. …

    Journal of Fluid Science and Technology 3(1), 22-30, 2008

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  • 14

    Spectroscopic temperature measurements of arc heated flow in the hollow electrode arc heater  [in Japanese]

    Kitagawa K. , Inaba K. , Yoshikawa N. , Yasuhara M.

    … Arc heated wind tunnel facilities were produced high enthalpy flows, which are used for purposes to investigate as testing thermal protection technology of reentry flow into the earth or other planets. … Huels type DC-arc heater is designed and constructed in Aichi Institute of Technology. …

    Bulletin of Research Institute for Industrial Technology 9, 107-109, 2007-08-00

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  • 15

    Temperature Correction of Pressure-Sensitive Paint Measurement Using an Infrared Camera : Application to Low-Speed Testing  [in Japanese]

    MITSUO Kazunori , KURITA Mitsuru , NAKAKITA Kazuyuki , FUJII Keisuke , WATANABE Shigeya , ITO Masatake

    風洞技術開発センター(WINTEC)では,感圧塗料(Pressure-Sensitive Paint: PSP)計測の大型実用風洞群への整備を進めている.従来の静圧孔を用いた電子式センサーによる計測では離散的なデータしか得られなかったが,PSP を用いることで模型上の面情報が得られ,衝撃波位置などの詳細流れ場の情報を可視化することができる.しかしながら,感圧塗料の発光強度は圧力依存性と同時に温度依 …

    JAXA research and development report JAXA-RR-06-028, 1-14, 2007-03-00

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  • 16

    Measurement of Heat Transfer Distribution by Infrared Thermography Technology  [in Japanese]

    KOYAMA Tadao , TSUDA Shoichi , HIRABAYASHI Noriaki , SEKINE Hideo , HOZUMI Koichi , WATARI Minoru

    JAXA 1.27m 極超音速風洞では赤外線サーモグラフィーを用いて空力加熱率分布の測定を行っている。AGEMA 社製LW900 型の赤外線カメラを3 台使用し、模型全体の加熱率分布を同時に計測できる技術を確立した。赤外線サーモグラフィー法の測定精度を確認するため、半球標準模型試験および平板ランプ模型試験を行った。半球標準模型試験は、半径0.05m の半球模型を用い、よどみ点の加熱率をSagnie …

    JAXA research and development report JAXA-RR-06-026, 1-30, 2007-03-00

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  • 17

    528 A Basic Study on Contact Force Control of Pantograph for Shinkansen  [in Japanese]

    TAKEDA Makoto , SUZUKI Yasufumi , IKEDA Mitsuru

    近年,航空機などの他の公共交通機関に対する優位性を確保するために,新幹線の営業速度向上が求められている.しかし,高速化を実現するためには未だ多くの問題を解決しなければならない.そのひとつに集電性能の向上がある.新幹線は線路上空に設置された架線から車両屋根に取り付けられたパンタグラフを用いて車両内部に電力を取り入れ,台車に取り付けられたモータを回転させることにより走行する.そのため,走行中においても …

    Dynamics & Design Conference 2006, "528-1"-"528-5", 2006-08-06

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  • 18

    Wind Tunnel Testing of Shear-Stress Measurement by Liquid-Crystal Coating

    NAKANO T. , FUJISAWA N.

    Journal of Visualization 9(2), 135-136, 2006-04-01

    References (3) Cited by (1)

  • 19

    601 The influence of fluctuating flow on aerodynamic characteristics of airfoils for wind turbines  [in Japanese]

    AOKI Hiroshi , KATO Eizi , KOGAKI Tetuya , TATIKAWA Tutomu

    … To comprehend the changing response, blade surface pressure distribution data were acquired from wind tunnel testing. …

    茨城講演会講演論文集 : Ibaraki district conference 2005, 133-134, 2005-09-08

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  • 20

    A Magnetic Suspension and Balance System for Wind Tunnels(<Special Issue>Magnetic Levitation Technology)  [in Japanese]

    SAWADA Hideo

    Journal of the Japan Society of Applied Electromagnetics 13(1), 13-19, 2005-03-31

    CiNii Fulltext PDF - Subscription  References (12) Cited by (2)