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THE SOLAR ABUNDANCE PROBLEM: THE EFFECT OF THE TURBULENT KINETIC FLUX ON THE SOLAR ENVELOPE MODEL
Zhang QS(张钱生)1,2
发表期刊ASTROPHYSICAL JOURNAL LETTERS
2014-06-01
卷号787期号:2
DOI10.1088/2041-8205/787/2/L28
产权排序第1完成单位
收录类别SCI
关键词Convection Sun: Abundances Turbulence
摘要

Recent three-dimensional (3D) simulations have shown that the turbulent kinetic flux (TKF) is significant. We discuss the effects of TKF on the size of the convection zone and find that the TKF may help solve the solar abundance problem. The solar abundance problem is that, with new abundances, the solar convection zone depth, the sound speed in the radiative interior, the helium abundance, and the density in the convective envelope are not in agreement with helioseismic inversions. We have performed Monte Carlo simulations on solar convective envelope models with different profiles of TKF to test its effects. The solar abundance problem is revealed in the standard solar convective envelope model with AGSS09 composition, which shows significant differences (similar to 10%) in density from the helioseismic inversions, but the differences in the model with the old composition GN93 is small (similar to 0.5%). In the testing models with a different TKF imposed, it is found that the density profile is sensitive to the value of TKF at the base of the convective envelope and insensitive to the structure of TKF in the convection zone. The required value of turbulent kinetic luminosity at the base is about -13% to - 19% L-circle dot. Comparing with the 3D simulations, this value is plausible. This study is for the solar convective envelope only. Evolutionary solar models with TKF are required to investigat the effects of TKF on the solar interior structure below the convection zone and the whole solar abundance problem, but the profile of the TKF in the overshoot region is necessary.

资助项目National Natural Science Foundation of China (NSFC)[11303087] ; West Light Foundation of the Chinese Academy of Sciences ; Science Foundation of Yunnan Observatory[Y1ZX011007] ; West Light Foundation of the Chinese Academy of Sciences ; Science Foundation of Yunnan Observatory[Y3CZ051005] ; Chinese Academy of Sciences[KJCX2-YW-T24]
项目资助者National Natural Science Foundation of China (NSFC)[11303087] ; West Light Foundation of the Chinese Academy of Sciences ; Science Foundation of Yunnan Observatory[Y1ZX011007, Y3CZ051005] ; Chinese Academy of Sciences[KJCX2-YW-T24]
语种英语
学科领域天文学 ; 恒星与银河系 ; 恒星物理学 ; 太阳与太阳系 ; 太阳物理学
学科门类理学 ; 理学::天文学
文章类型Article
出版者IOP PUBLISHING LTD
出版地TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN2041-8205
URL查看原文
归档日期2014-05-19
WOS记录号WOS:000336797700013
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]CONVECTION ZONE ; REVISED ABUNDANCES ; OPACITIES ; DEPTH ; I. ; HELIOSEISMOLOGY ; OVERSHOOT ; LIGHT
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被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/5238
专题恒星物理研究组
中国科学院天体结构与演化重点实验室
通讯作者Zhang QS(张钱生)
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, P.O. Box 110, Kunming 650011, China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming, 650011, China
第一作者单位中国科学院云南天文台
通讯作者单位中国科学院云南天文台
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Zhang QS. THE SOLAR ABUNDANCE PROBLEM: THE EFFECT OF THE TURBULENT KINETIC FLUX ON THE SOLAR ENVELOPE MODEL[J]. ASTROPHYSICAL JOURNAL LETTERS,2014,787(2).
APA Zhang QS.(2014).THE SOLAR ABUNDANCE PROBLEM: THE EFFECT OF THE TURBULENT KINETIC FLUX ON THE SOLAR ENVELOPE MODEL.ASTROPHYSICAL JOURNAL LETTERS,787(2).
MLA Zhang QS."THE SOLAR ABUNDANCE PROBLEM: THE EFFECT OF THE TURBULENT KINETIC FLUX ON THE SOLAR ENVELOPE MODEL".ASTROPHYSICAL JOURNAL LETTERS 787.2(2014).
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