NAOC Open IR
恒星对流kw模型的性质研究
郭志亮; 李焱
2014
Source Publication天文学报
ISSN0001-5245
Volume55Issue:1Pages:66
Abstract为了将Li提出的k-w模型应用到一般的恒星环境中,有必要研究其中模型参数的物理意义,以便限定它们的取值范围.研究表明,模型参数c'_μ的变化对湍流的Peclet数、湍动能、特征时标和特征长度都有影响,除此之外,随着它的增加,底部对流超射区中湍动能的衰减速率明显加快;模型参数c'_μ与等效混合长参数α都与对流传热效率成正比,它们的对数存在线性关系;模型参数c'_μ和底部对流超射区中湍动能的衰减指数θ之间取对数后也存在线性关系.对于太阳,可得到一组合适的模型参数值:c'_μ=0.004, α = 1.7.
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/48603
Collection中国科学院国家天文台
Affiliation中国科学院国家天文台
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
郭志亮,李焱. 恒星对流kw模型的性质研究[J]. 天文学报,2014,55(1):66.
APA 郭志亮,&李焱.(2014).恒星对流kw模型的性质研究.天文学报,55(1),66.
MLA 郭志亮,et al."恒星对流kw模型的性质研究".天文学报 55.1(2014):66.
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