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Please use this identifier to cite or link to this item: http://hdl.handle.net/10087/2880

Title: N_2^+ First NegativeおよびCN Violetバンドを用いた高エンタルピーアーク加熱風洞流の温度計測
Other Titles: Temperature Measurements of High-enthalpy Arc-jet Wind Tunnel Flows by N_2^+ First Negative and CN Violet Bands
Authors: 舩津, 賢人
渡辺, 泰夫
白井, 紘行
伊藤, 健
石田, 清道
Keywords: Spectroscopic Measurement
Flow Measurements
Shock Wave
Non-equilibrium Flow
Supersonic Flow
High-enthalpy Flow
Arc-jet Wind Tunnel
Temperature Measurements
Shock Layer
Issue Date: 25-Jun-2004
Publisher: 日本機械学会
Citation: 日本機械学會論文集 B編. 70(694), 1489-1495 (2004)
Abstract: Spectroscopic measurements were made of a shock layer generated by a flat-head body in high-enthalpy air and nitrogen plasma flows of NAL 750kW arc-jet wind tunnel. In the wavelength region of 350nm to 450nm, N_2^+ 1- band was predominant in the nitrogen jets and the N_2^+ 1- and CN violet bands in the air jets. These bands were analyzed in detail by using synthetic spectra calculated theoretically. Temperature determination of the shock layer was tried by applying a spectral matching method to these band systems. In case of the nitrogen plasma jet, axial temperature distribution across the shock layer was measured and compared with the flow calculation based upon the modified fully-merged shock layer theory. It was found that the rotational temperature in the shock layer for both the arc jets was about 7000K, and the tempeature of a free stream in the nitrogen plasma jets was much higher than that expected.
URI: http://hdl.handle.net/10087/2880
ISSN: 0387-5016
Appears in Collections:学術雑誌論文

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