JAXA Repository / AIREX 未来へ続く、宙(そら)への英知

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Other TitleNumerical analysis on interaction between solar wind and sublimation gas from heat shield of solar probe
Author(jpn)鈴木 宏二郎
Author(eng)Suzuki, Kojiro
Author Affiliation(jpn)東京大学 大学院新領域創成科学研究科
Author Affiliation(eng)University of Tokyo Graduate School of Frontier Sciences
Issue Date2004-05
PublisherInstitute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS)
Publication title宇宙航行の力学シンポジウム 平成15年度
Symposium on Flight Mechanics and Astrodynamics 2003
Start page147
End page150
Publication date2004-05
AbstractWhen a solar probe penetrates into the solar corona for the in-situ observation of the solar wind, the temperature of its heat shield becomes extremely high and the sublimation of the surface material occurs. In the present study, both the near field and the far field analyses on the behavior of the sublimation gas injected from the C/C wall are made by the DSMC method. The former clarifies the number density distribution of the sublimation gas around the probe. The latter is made to simulate the interaction between the solar wind and the sublimation gas cloud. When the total sublimation rate becomes high at close approach to the sun, the length scale of the interaction phenomena becomes in the order of kilometers and the properties of the solar wind are highly disturbed by the presence of the probe itself.
Keywordssolar probe; heat shielding; sublimation gas; solar corona; numerical analysis; rarefied gas; C/C composite; interplanetary space; ソーラープローブ; 熱シールド; 昇華ガス; 太陽コロナ; 数値解析; 希薄気体; C/C複合材料; 惑星間宇宙
Document TypeConference Paper
JAXA Categoryシンポジウム・研究会

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