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ONE ZONE MODELING OF IRREGULAR VARIABILITY OF STELLAR CONVECTIVE ENVELOPE
UNNO, W; XIONG, DR
1993
Source PublicationASTROPHYSICS AND SPACE SCIENCE
ISSN0004-640X
Volume210Issue:1-2Pages:77-81
AbstractOne 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.
Subject Area天文和天体物理
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/11242
Collection院士文集_熊大闰
Recommended Citation
GB/T 7714
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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