日本航空宇宙学会誌
Online ISSN : 2424-1369
Print ISSN : 0021-4663
ISSN-L : 0021-4663
2温度モデルを用いた1次元レーザーデトネーションの非定常伝播に関する数値流体解析
白石 裕之藤原 俊隆
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ジャーナル フリー

1998 年 46 巻 538 号 p. 607-613

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For laser propulsion system, it is very important to research the most effective way to utilize the optical energy. We have simulated the propagation condition of Laser-Supported Detonation Wave (LSD) because it can cause enough high pressure and high temperature to be used by laser propulsion. In this temperature level, the main absorption mechanism is Inverse Bremsstrahlung: The laser energy is transformed into the kinetic energy of free electrons by photon absorption during electron-ion/neutral collision, which is re-distributed among heavy particles through collisions. In this paper, we numerically simulate a room-temperature Argon gas which absorbs CO2 gasdynamic laser, using a 2-temperature model. As a numerical method, we have used Harten-Yee non-MUSCL modified-flux-type TVD scheme in which real gas effects are considered.

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© The Japan Society for Aeronautical and Space Sciences
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