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题名: The structure of the solar convective overshooting zone
作者: Xiong DaRun(熊大闰); Deng, L
刊名: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
出版日期: 2001-11-11
卷号: 327, 期号:4, 页码:1137-1144
关键词: convection ; Sun : interior
学科分类: Astronomy & Astrophysics
文章类型: Article
英文摘要: Using a non-local theory of convection, we calculated the structure of the solar convection zone, paying special attention to the detailed structure of the lower overshooting zone. Our results show that an extended transition zone exists near the bottom of the convection zone, where the temperature gradient turns smoothly from adiabatic in the convection zone to radiative in solar interior. A super-radiative temperature region is found in the overshooting zone under the solar convection zone, where L-c<0, L-t<0, L-r>L and >del (rad). The extension of the super-radiative region (defined by L-r/L-circle dot greater than or equal to 1.01) l is about 0.63 H-p (0.053 R-circle dot). A careful comparison of the distribution of adiabatic sound speed and density with the local one is carried out. It is found, strikingly, that the distribution of adiabatic sound speed and density of our model is roughly consistent with the results of reversion from solar oscillation observations.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: MIXING-LENGTH CONVECTION ; TURBULENT CONVECTION ; NONLOCAL CONVECTION ; STARS ; MODELS ; EVOLUTION ; ENVELOPE ; BASE ; SUN
收录类别: SCI
语种: 英语
WOS记录号: WOS:000172343900013
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/11188
Appears in Collections:熊大闰_期刊论文

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作者单位: 1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Beijing Astron Observ, Beijing 100012, Peoples R China
3.Chinese Acad Sci, Natl Astron Observ, Beijing 100864, Peoples R China

Recommended Citation:
Xiong, DR; Deng, L.The structure of the solar convective overshooting zone,MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2001,327(4):1137—1144
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