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小澤 啓伺

小澤 啓伺
氏 名小澤 啓伺 (OZAWA Hiroshi)
博士(工学)
職 位助教
E-Mail hozawa@tmu.ac.jp
研究室HPhttp://aero-fluid.sd.tmu.ac.jp/外部リンク

担当科目

  • 航空宇宙工学実験1
  • 航空宇宙工学実験2
  • 研究プロジェクト演習(大学院)

研究室紹介

淺井研究室で、研究・教育活動を行っています。

研究内容

高速飛翔体周りの空気力学に関する研究および光学計測法の開発を行っています.航空機・宇宙機を設計・開発するためには,風洞と呼ばれる装置を使用します.風洞の試験時間は様々ですが,特に数ミリ秒の極短時間試験が可能な高速風洞に注目し,短い試験時間の中で,非定常かつ瞬間的な物理現象をとらえることができる光学計測技術の開発を行っています.

最近の発表論文

  1. Ozawa H (2016) Highly Temperature Sensitive TSP Measurements on the Wall of newly built Shock-tube, 11th International Workshop on Shock Tube Technology, DLR Göttingen, Germany, 2016.
  2. Schramm JM, Edzards F, Lieber D, Hock S, Hannemann K, Ozawa H, Beck W, Klein C (2016) Development of Ultra-fast Temperature Sensitive Paints forHypersonic High Speed Flows, 11th International Workshop on Shock Tube Technology, DLR Göttingen, Germany, 2016.
  3. Ozawa H (2016) A highly temperature sensitive and ultra-fast response TSP (Temperature-Sensitive-Paints) for unsteady aerothermodynamics on shock-tube wall, AIAA Aviation 2016, 46th Fluid Dynamics Conference, AIAA-2016-3934, 2016.
  4. Ozawa H (2016) Experimental Study of Unsteady Aerothermodynamic Phenomena on Shock-Tube Wall using Fast-response Temperature-sensitive-Paints, Phys. Fluids, 28(4): 046103.
  5. Martinez Schramm J, Hannemann K, Ozawa H, Beck W and Klein C (2015) Development of Temperature Sensitive Paints for The High Enthalpy Shock Tunnel Göttingen, HEG. 8th European Symposium on Aerothermodynamics for Space Vehicles, 2-6, March, 2015.
  6. Ozawa H, Laurence SJ, Schramm JM, Wagner A, Hannemann K (2015) Fast-response temperature-sensitive-paint measurements on a hypersonic transition cone, Exp Fluids., 56(1):1853
  7. Laurence SJ, Wagner A, Ozawa H, Hannemann K (2014) Visualization of Hypersonic Boundary-Layer Transition on a Slender Cone. 19th AIAA/3AF International Space Planes and Hypersonic Systems and Technologies Conference, 19, June, AIAA 2014-3110 (Invited)
  8. Ozawa H (2013) TSP Development for the High Enthalpy Shock Tunnel Göttingen (HEG), JSME, Fluids. Eng. Div., lecture meeting. No. 13-72, Nihon Univ., 2013(invited)
  9. Hannemann K, Eggers T (2013) Aerothermodynamic Research in the Spacecraft Department of the German Aerospace Center: An Overview. Jpn. Soc. Aeronaut. Space Sci., グローバルAERO, 連-海外-05, 小澤啓伺 訳
  10. Wang Y, Ozawa H, Koyama H, Nakamura Y (2013) Abort Separation of Launch Escape System Using Aerodynamic Interference. AIAA Journal, 51(2013), pp. 270-275, 2013.
  11. Laurence SJ, Ozawa H, Lieber D, Schramm JM, Hannemann K (2012) Investigation of Unsteady/Quasi-Steady Scramjet Behavior using High-Speed Visualization Techniques. 18th AIAA/3AF International Space Planes and Hypersonic Systems and Technologies Conference, AIAA-2012-5913, 2012.
  12. Wang Y, Ozawa H, Nakamura Y (2012) Numerical Investigation of Supersonic Oscillatory Flow with Strong Interference over a Capsule-shaped Abort System. Trans. Jpn. Soc. Aeronaut. Space Sci., 55(2012), pp. 286-294, 2012.
  13. Koyama H, Wang Y, Ozawa H, Doi K, Nakamura Y (2012) Improvement by Fence in Capsule Abort System using Supersonic Aerodynamic Interactions. Jpn. Aeronaut. Space Sci., 60(2012), pp. 74-79, 2012.
  14. Yokoi H, Ozawa H, Koyama H, Nakamura Y (2012) Aerodynamic Heating of an Open Cavity in Hypersonic Compression Ramp Flow. 50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, Nashville, Tennessee, Jan. 9-12, 2012, AIAA Paper 2012-0286.
  15. Yokoi H, Ozawa H, Matsumoto S, Doi K, Nakamura Y (2011) Aerodynamic Heating due to Interaction between Boundary Layer Reattachment and Rectangular Cavity in hypersonic Compression Ramp. Jpn. Soc. Aeronaut. Space Sci., 59(2011), pp. 169-175
  16. Wang Y, Ozawa H, Koyama H, Nakamura Y (2011) Simulation of supersonic stage separation of capsule-shaped abort system by aerodynamic interaction. 20th AIAA Computational Fluid Dynamics Conference, AIAA-2011-3064.
  17. Ozawa H, Hanai K, Kitamura K, Mori K, Nakamura Y (2010) Effects of Crack on Heat Flux in Hypersonic Shock/Boundary-Layer Interaction. Jpn. Soc. Aeronaut. Space Sci., 58(2010), pp. 68-75, 2010.
  18. Ozawa H, Kitamura K, Hanai K, Mori K, Nakamura Y (2010) Unsteady aerodynamic interaction between Two Bodies at Hypersonic Speed. Trans. Jpn. Soc. Aeronaut. Space Sci., 53(2010), pp. 114-121, 2010.
  19. Ozawa H, Mori K, Nakamura Y (2009) Experimental Analysis of TSTO Aerodynamic Interactions Based on Oil Flow Patterns at Hypersonic Speed. 47th AIAA Aerospace Sciences Meeting Including The New Horizons Forum and Aerospace Exposition, AIAA-2009-1286.
  20. Ozawa H, Kitamura K, Hanai K, Miyoshi M, Mori K, Nakamura Y (2009) Abort System Using Supersonic Aerodynamic Interaction for Capsule-Type Space Transportation System. Jpn. Soc. Aeronaut. Space Sci., 57(2009), pp. 1-8, 2009.
  21. Ozawa H, Hanai K, Nakamura Y (2008) Reduction of TSTO Hypersonic Aerodynamic Interactions Due to Diagonally-cut Circular Cylinder Orbiter Nose. Jpn. Soc. Aeronaut. Space Sci., 56(2008), pp. 8-14, 2008.
  22. Kitamura K, Ozawa H, Hanai K, Mori K, Nakamura Y (2008) Investigation on Hypersonic Shock Interacting and Boundary-Layer Separating Flowfield around Two-Stage-To-Orbit Vehicle. Jpn. Soc. Aeronaut. Space Sci., 56(2008), pp. 278-285, 2008.
  23. Ozawa H, Yokoi H, Mori K, Nakamura Y (2008) Effect of Clearance between Two-Body on Heat Flux in Hypersonic Compression Ramp. 2008 KSAS-JSASS Joint International Symposium on Aerospace Engineering, pp. 346-349, 2008.
  24. Ozawa H, Hanai K, Ibrahim MK, Mori K, Nakamura Y (2008) Experimental Analysis of TSTO Aerodynamic Heating Problems at Hypersonic Speed. 15thAA International Space Planes and Hypersonic Systems and Technologies Conference, AIAA-2008-2671.
  25. Ozawa H, Hanai K, Kitamura K, Mori K, Nakamura Y (2008) Experimental Investigation of Shear-Layer/Body Interactions in TSTO at Hypersonic Speed. 46th AIAA Aerospace Sciences Meeting and Exhibit, AIAA-2008-723.

所属学会・学会活動

  1. 日本航空宇宙学会
  2. 日本流体力学会
  3. 米国航空宇宙学会(AIAA)