Development of Radial Wave Rotor for Power Generation System in Space

• Project/Area Number: 19760561
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Aerospace engineering
• Research Institution: The University of Tokyo
• Principal Investigator: OKAMOTO Koji The University of Tokyo, 大学院工学系研究科, 助教 (70376507)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,750,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥450,000); Fiscal Year 2008: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000); Fiscal Year 2007: ¥1,800,000 (Direct Cost: ¥1,800,000)
• Keywords: 航空宇宙工学 / 流体工学 / 衝撃波 / ウェーブロータ

Research Abstract

本研究では,遠心型ウェーブロータの内部流動と設計プロセス,特に軸流型との相違点に着目して研究を行った.まず内部流動解析においては,断面積が変化する流路内部を圧力波が伝播する場合に,従来の軸流型のように断面積変化が無い場合と比べて,その伝播速度がどのように変化し,結果として給排気ポートをどのように設計すればよいかについて知見を得た.さらに,宇宙での利用を想定した場合,回転数が制限されることから,諸々の設計パラメタ制限を課した上で設計検討を行い,プロトタイプの設計・製作を行った.

Research Products

• [Journal Article] Shock Wave Observation in Narrow Tubes for a Parametric Study on Micro Wave Rotor Design (2008)
  • Author(s): Okamoto, K., and Araki, M
  • Journal Title: Journal of Thermal Science Vol. 17, No. 2 Pages: 134-140
  • Peer Reviewed
• [Journal Article] Shock Wave Observation in Narrow Tubes for a Parametric Study on Micro Wave Rotor Design (2008)
  • Author(s): Okamoto, K. and Araki, M.
  • Journal Title: Journal of Thermal Science Vol.17, No.2 Pages: 134-140
  • Peer Reviewed
• [Presentation] マイクロウェーブロータの作動における温度変化の影響 (2009)
  • Author(s): 岡本光司
  • Organizer: 日本航空宇宙学会第49回航空原動機・宇宙推進講演会
  • Place of Presentation: 長崎
• [Presentation] ポート迎角がウェーブロータ内部流動に及ぼす影響に関する研究 (2009)
  • Author(s): 真田章宏,寺本進,岡本光司
  • Organizer: 日本航空宇宙学会第49回航空原動機・宇宙推進講演会
  • Place of Presentation: 長崎
• [Presentation] マイクロウェーブロータの作動における温度変化の影響 (2009)
  • Author(s): 岡本光司
  • Organizer: 第49回航空原動機・宇宙推進講演会
  • Place of Presentation: 長崎
• [Presentation] ポート迎角がウェーブロータ内部流動に及ぼす影響に関する研究 (2009)
  • Author(s): 真田章宏, 寺本進, 岡本光司
  • Organizer: 第49回航空原動機・宇宙推進講演会
  • Place of Presentation: 長崎
• [Presentation] Clearance Variation Effects on Micro Wave Rotor Operation (2008)
  • Author(s): K. Okamoto and K. Yamaguchi
  • Organizer: D7-1, Asian Joint Conference on Propulsion & Power(AJCPP)2008 & 日本航空宇宙学会第48回航空原動機・宇宙推進講演会
  • Place of Presentation: 慶州
  • Year and Date: 2008-03-08
• [Presentation] Clearance Variation Effects on Micro Wave Rotor Operation (2008)
  • Author(s): K. Okamoto and K. Yamaguchi
  • Organizer: Asian Joint Conference on Propulsion & Power 2008
  • Place of Presentation: 慶州(韓国)
  • Year and Date: 2008-03-08
• [Presentation] FUNDAMENTAL WAVE PROCESS IN NARROW TUBES FOR MICRO WAVE ROTOR APPLICATION (2007)
  • Author(s): K. Okamoto and T. Nagashima
  • Organizer: 2007ASME International Mechanical Engineering Congress and Exposition
  • Place of Presentation: Seattle
  • Year and Date: 2007-11-14
• [Presentation] Fundamental Wave Process In Narrow Tubes For Micro Wave Rotor Application (2007)
  • Author(s): K. Okamoto and T. Nagashima
  • Organizer: ASME International Mechanical Engineering Congress and Exposition
  • Place of Presentation: シアトル(米国)
  • Year and Date: 2007-11-14
• [Presentation] Experimental Setting Effects on Micro Wave Rotor Operation (2007)
  • Author(s): Koji OKAMOTO, Kazuo YAMAGUCHI, and Toshio NAGASHIMA
  • Organizer: International Symposium on Air Breathing Engine
  • Place of Presentation: Beijing
  • Year and Date: 2007-09-04
• [Presentation] Experimental Setting Effects on Micro Wave Rotor Operation (2007)
  • Author(s): K. Okamoto, K. Yamaguchi and T. Nagashima
  • Organizer: International Symposium on Air Breathing Engine
  • Place of Presentation: 北京(中国)
  • Year and Date: 2007-09-04
• [Presentation] Shock Wave Observations in Narrow Tubes for Parametric Study on Micro Wave Rotor Design (2007)
  • Author(s): Koji OKAMOTO, Kazuo YAMAGUCHI, Mikiya ARAKI and Toshio NAGASHIMA
  • Organizer: 8th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows
  • Place of Presentation: Lyons
  • Year and Date: 2007-07-04
• [Presentation] Shock Wave Observations in Narrow Tubes for Parametric Study on Micro Wave Rotor Design (2007)
  • Author(s): K. Okamoto, K. Yamaguchi, M. Araki and T. Nagashima
  • Organizer: International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows
  • Place of Presentation: リヨン(フランス)
  • Year and Date: 2007-07-04