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ONE ZONE MODELING OF IRREGULAR VARIABILITY OF STELLAR CONVECTIVE ENVELOPE
UNNO, W; XIONG, DR
1993
发表期刊ASTROPHYSICS AND SPACE SCIENCE
ISSN0004-640X
卷号210期号:1-2页码:77-81
摘要One zone modeling of the irregular variability of red super-giants is intended with regard to the nonlinear coupling of finite amplitude pulsation with convection. The nonlocal mixing length is employed for the evaluation of the convective flux, the turbulent pressure and the turbulent power of temperature fluctuations. The radial pulsation and the Boussinesq convection are assumed for simplicity. The one zone is defined as the layer having the entropy maximum and the minimum at the bottom and at the top, respectively. The quasi-adiabatic approximation is consistent with this definition in fixing the zone to the same mass range. The spatial derivatives are evaluated under the assumption of homologous changes with the equilibrium homologous parameters. Then, a set of 6 simultaneous first order nonlinear ordinary differential equations are obtained as the one zone representation of the irregular variability of the convective envelope.
学科领域天文和天体物理
文献类型期刊论文
条目标识符http://libir.pmo.ac.cn/handle/332002/11242
专题院士文集_熊大闰
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UNNO, W,XIONG, DR. ONE ZONE MODELING OF IRREGULAR VARIABILITY OF STELLAR CONVECTIVE ENVELOPE[J]. ASTROPHYSICS AND SPACE SCIENCE,1993,210(1-2):77-81.
APA UNNO, W,&XIONG, DR.(1993).ONE ZONE MODELING OF IRREGULAR VARIABILITY OF STELLAR CONVECTIVE ENVELOPE.ASTROPHYSICS AND SPACE SCIENCE,210(1-2),77-81.
MLA UNNO, W,et al."ONE ZONE MODELING OF IRREGULAR VARIABILITY OF STELLAR CONVECTIVE ENVELOPE".ASTROPHYSICS AND SPACE SCIENCE 210.1-2(1993):77-81.
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