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Please use this identifier to cite or link to this item: http://hdl.handle.net/10087/5700

Title: Radiative Characteristics of Carbonaceous Ablation Layers with Reflection Effects
Authors: FUNATSU, Masato
SHIRAI, Hiroyuki
KASUYA, Koichi
Keywords: Shock Wave
Thermal Radiation
Heat Transfer
Plasma
Radiative Heating
Silicon Carbide Ablation
Carbon Ablation
Shock Layer
Jupiter Entry
High Enthalpy Flow
Issue Date: 15-Aug-2001
Publisher: ç¤¾å›£æ³•äººæ—¥æœ¬æ©Ÿæ¢°å­¦ä¼š
Citation: JSME international journal Ser B Fluids and thermal engineering. 44(3), 419-426 (2001)
Abstract: The equilibrium composition and spectral absorption coefficient of SiC ablation layer plasmas have been calculated for temperature of 5000 to 7000 K, layer thickness of 0 to 7.5mm, and pressure of 0.1 to 1.0MPa. The radiations included were molecular bands, atomic lines, and continuum processes. The absorption coefficient thus calculated was applied to a simplified shock layer model for the Jupiter entry probe to investigate the effectiveness of the ablation layer in reducing the radiative heating from a shock layer to a body surface. It was found that the SiC ablation layer is very effective to protect the body from radiative heating and that the photoionization processes of atomic carbon and silicon were mainly responsible for radiative absorption at high photon energy range. Furthermore the molecular carbon bands were effectively absorptive in relatively low photon energy range, particularly at low temperatures.
URI: http://hdl.handle.net/10087/5700
ISSN: 13408054
Appears in Collections:学術雑誌論文

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