Nonequilibrium Temperatures Measurement in an Arc-Heated Airflow by the Optical Diagnostic Method
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概要
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An understanding of the aerothermophysical feature of the high-enthalpy flow is important for designing atmospheric hypersonic flight vehicles based on the ground-heating test results. Nonequilibrium temperatures of nitric oxide of the arc-heated airflow were measured by the optical diagnostic method in the Institute of Space and Astronautical Science (ISAS) arc wind tunnel facility as a part of the flow characterization. Nonequilibrium temperatures of NO γ-band (A2Σ–X2Π1⁄2) measured experimentally by 2-line and multiline laser-induced fluorescence spectroscopy techniques exhibit separation between vibrational and rotational temperatures. The temperature relaxation along the flow has been compared with the emission spectroscopic data.
- 社団法人 日本航空宇宙学会の論文
- 2002-08-04
著者
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Yamada Tetsuya
Institute Of Space And Astronautical Science
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Inatani Yoshifumi
Institute Of Space And Astionautical Science Japan Aerospace Exploration Agency
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