Research on Aerodynamic Characteristics of Reentry Vehicle System with the Inflatable Decelerator

• Project/Area Number: 19760563
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Aerospace engineering
• Research Institution: Shizuoka University
• Principal Investigator: OTSU Hirotaka Shizuoka University, 理工学部, 准教授 (20313934)
• Project Period (FY): 2007 – 2009
• Project Status: Completed (Fiscal Year 2009)
• Budget Amount: ¥3,190,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥390,000); Fiscal Year 2009: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000); Fiscal Year 2008: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000); Fiscal Year 2007: ¥1,500,000 (Direct Cost: ¥1,500,000)
• Keywords: インフレータブル構造体 / 再突入飛行体 / 高速空気力学 / 航空宇宙工学 / 低弾道係数飛行体

Research Abstract

To evaluate the efficiency of the reentry vehicle system with the inflatable decelerator, we performed wind tunnel experiments and CFD analyses. The results from both wind tunnel experiments and CFD analyses indicate that the inflatable decelerator can produce a sufficient aerodynamic lift force and the lift-to-drag ratio by tilting the decelerator. The trajectory analyses with estimated aerodynamic characteristics were also performed to evaluate the efficiency of this system. The results suggest that the inflatable decelerator can reduce both the aerodynamic heating and the deceleration during the reentry flight. From both results we concluded that the reentry vehicle system with the inflatable system could be one of the most reliable candidates for the future reentry vehicle system.

Research Products

• [Journal Article] Effect of the Shock Interaction on the Aerodynamic Characteristics of Reentry Vehicle System with Tilted Trailing Toroidal Ballute (2008)
  • Author(s): H. Otsu
  • Journal Title: Proceedings of 26^<th> International Symposium on Rarefied Gas Dynamics 26140
  • Peer Reviewed
• [Presentation] Numerical and Experimental Investigation of Aerodynamic Characteristics of the Tilted Toroidal Ballute (2009)
  • Author(s): H. Otsu
  • Organizer: 16th AIAA/DLR/DGLR International Space Planes and Hypersonic Systems and Technologies Conference
  • Place of Presentation: Bremen, Germany
  • Year and Date: 2009-10-22
• [Presentation] Numerical and Experimental Investigation of Aerodynamic Characteristics of the Tilted Toroidal Ballute (2009)
  • Author(s): Hirotaka Otsu
  • Organizer: 16th AIAA/DLR/DGLR International Space Planes and Hypersonic Systems and Technologies Conference
  • Place of Presentation: Atlantic Hotel Galopprennbahn Bremen, Germany
  • Year and Date: 2009-10-22
• [Presentation] バルートを用いたエアロアシストシステムの空力性能 (2009)
  • Author(s): 大津広敬
  • Organizer: 第53回宇宙科学技術連合講演会
  • Place of Presentation: 京都大学
  • Year and Date: 2009-09-10
• [Presentation] Wind Tunnel Experiments of the Reentry Vehicle System with the Trailing Toroidal Ballute (2009)
  • Author(s): H. Otsu
  • Organizer: 27^<th> International Symposium on Space Technology and Science
  • Place of Presentation: つくば国際会議場
  • Year and Date: 2009-07-10
• [Presentation] Wind Tunnel Experiments of the Reentry Vehicle System with the Trailing Toroidal Ballute (2009)
  • Author(s): Hirotaka Otsu
  • Organizer: 27^<th> International Symposium on Space Technology and Science
  • Place of Presentation: つくば国際会議場, 茨城県つくば市
  • Year and Date: 2009-07-10
• [Presentation] Investigation of Aerodynamic Characteristics of the Tilted Toroidal Ballute System (2009)
  • Author(s): Hirotaka Otsu
  • Organizer: 47^<th> AIAA Aerospace Sciences Meeting
  • Place of Presentation: アメリカ合衆国フロリダ州オーランド
  • Year and Date: 2009-01-06
• [Presentation] Investigation of Aerodynamic Characteristics of the Tilted Toroidal Ballute System (2009)
  • Author(s): H. Otsu, W. Enya, G. Ichikawa, T. Irikado, T. Abe
  • Organizer: 47th Aerospace Sciences Meeting
  • Place of Presentation: Orlando, Florida, USA
• [Presentation] 揚力を発生するバルートの空力特性に関する実験的研究 (2008)
  • Author(s): 大津広敬, 塩谷渉, 安部隆士
  • Organizer: 第52回宇宙科学技術連合講演会
  • Place of Presentation: 淡路夢舞台国際会議場
  • Year and Date: 2008-11-05
• [Presentation] Effect of Lift on the Reentry Vehicle System with the Trailing Toroidal Ballute (2008)
  • Author(s): Hirotaksa Otsu
  • Organizer: 46th AIAA Aerospace Science Meeting
  • Place of Presentation: アメリカ合衆国 ネバダ州リノ
  • Year and Date: 2008-01-09
• [Presentation] Aerodynamic Characteristics of the Reentry Vehicle System with the Lifting Toroidal Ballute (2008)
  • Author(s): H. Otsu
  • Organizer: 26^<th> International Symposium on Space Technology and Science
  • Place of Presentation: Hamamatsu, Japan
• [Presentation] Effect of Lift on the Reentry Vehicle System with the Trailing Toroidal Ballute (2008)
  • Author(s): H. Otsu
  • Organizer: 46th Aerospace Sciences Meeting
  • Place of Presentation: Reno, NV, USA
• [Presentation] バルートの空力特性評価 (2007)
  • Author(s): 大津広敬
  • Organizer: 平成19年度宇宙航行の力学シンポジウム
  • Place of Presentation: 宇宙航空研究開発機構 宇宙科学研究本部
  • Year and Date: 2007-12-18
• [Presentation] インフレータブル構造体を利用した再突入飛行体の飛行経路解析 (2007)
  • Author(s): 大津広敬
  • Organizer: 第51回宇宙科学技術連合講演会
  • Place of Presentation: 札幌コンベンションセンター