Application of high sensitive laser absorption spectroscopy to Arc heated wind tunnel

• Project/Area Number: 20860097
• Research Category: Grant-in-Aid for Young Scientists (Start-up)
• Allocation Type: Single-year Grants
• Research Field: Aerospace engineering
• Research Institution: Japan Aerospace Exploration Agency
• Principal Investigator: TAKAYANAGI Hiroki Japan Aerospace Exploration Agency, 研究開発本部流体グループ, 研究員 (70513422)
• Project Period (FY): 2008 – 2009
• Project Status: Completed (Fiscal Year 2009)
• Budget Amount: ¥3,289,000 (Direct Cost: ¥2,530,000、Indirect Cost: ¥759,000); Fiscal Year 2009: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000); Fiscal Year 2008: ¥1,729,000 (Direct Cost: ¥1,330,000、Indirect Cost: ¥399,000)
• Keywords: 計測工学 / 高エンタルピー / 分光診断 / 吸収分光 / アーク加熱風洞

Research Abstract

Cavity Enhanced Absorption Spectroscopy has been applied to the Arc heated wind tunnel. This facility has been developed in Chofu aerospace center in order to simulate the environment during reentry from the space. However, because of the mechanical vibration from the cooling water and vacuum system, the transmitted laser signal got worse and absorption signals could not be obtained. Therefore, influence of mechanical vibration on CEAS has been studied by vibrating the high-reflectance mirror which consisted of the cavity. As a result, it was investigated that because of the mechanical vibration, the sensitivity and signal-to-noise ratio were degraded.

Research Products

• [Journal Article] Arc Wind Tunnel Flow Diagnostics by Cavity Enhanced Absorption Spectroscopy (2009)
  • Author(s): 高柳大樹, 他4名
  • Journal Title: AIAA Journal Vol. 47, No. 5(掲載決定)
  • Peer Reviewed
• [Journal Article] Translational Temperature Distribution in an Inductively Coupled Plasma Flow for Catalytic Efficiency Measurements
  • Author(s): Takayanagi, H., Bauer, C., Osawa, H., Suzuki, T., Fujita, K., Komurasaki, K
  • Journal Title: The ISTS special issue of Transactions of JSASS, Space Technology Japan (査読中)
  • NAID: 130000675481
  • Peer Reviewed
• [Presentation] 高感度レーザー吸収分光法への機械振動の影響 (2009)
  • Author(s): 高柳大樹, 野村哲史, 藤田和央, 小紫公也
  • Organizer: 2009年度宇宙航行の力学シンポジウム
  • Place of Presentation: 神奈川県相模原市
  • Year and Date: 2009-12-10
• [Presentation] 高感度レーザー吸収分光法への機械振動の影響 (2009)
  • Author(s): 高柳大樹, 野村哲史, 藤田和央, 小紫公也
  • Organizer: 平成21年度宇宙航行の力学シンポジウムプログラム
  • Place of Presentation: 神奈川県相模原市
  • Year and Date: 2009-12-10
• [Presentation] Catalytic efficiency of atomic oxygen recombination for SiC deduced with Laser Absorption Spectroscopy (2009)
  • Author(s): Takayanagi, H., Bauer, C., Osawa, H., Suzuki, T., Fujita, K., Komurasaki, K.
  • Organizer: 27th International Symposium on Space Technology and Science
  • Place of Presentation: Tsukuba, Ibaraki, Japan
  • Year and Date: 2009-07-09
• [Presentation] Catalytic Efficiency of Atomic Oxygen Recombination for SiC Deduced with Laser Absorption Spectroscopy (2009)
  • Author(s): Takayanagi, H., Bauer, C., Osawa, H., Suzuki, T., Fujita, K., Komurasaki, K
  • Organizer: 27th International Symposium on Space Technology and Science
  • Place of Presentation: 茨城県つくば市
  • Year and Date: 2009-07-09
• [Presentation] アーク風洞気流における微量酸素原子に対する温度分布測定 (2008)
  • Author(s): 高柳大樹, 他4名
  • Organizer: 第40回流体力学講演会
  • Place of Presentation: 東北大学
  • Year and Date: 2008-06-13
• [Remarks]
  • URL: http://www.ard.jaxa.jp/research/ryutai/ryu-enthalpy.html
• [Remarks]
  • URL: http://www.ard.jaxa.jp/research/ryutai/ryu-enthalpy.html