Linear stability analysis of Rayleigh–Bénard convection for cold water near its density maximum in a cylindrical container

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成果类型：

期刊论文

作者：

Liu, Hao;Zeng, Zhong;Qiu, Zhouhua;Yin, Linmao

通讯作者：

Hao Liu

作者机构：

[Liu, Hao; Qiu, Zhouhua] Chongqing Jiaotong Univ, Chongqing Southwest Res Inst Water Transport Engn, Chongqing 400016, Peoples R China.

[Liu, Hao; Qiu, Zhouhua] Chongqing Jiaotong Univ, Key Lab Inland Waterway Regulat Engn, Minist Commun, Chongqing 400074, Peoples R China.

[Liu, Hao; Qiu, Zhouhua] Chongqing Xike Consulting Ctr Water Transport Eng, Chongqing 400016, Peoples R China.

[Zeng, Zhong] Chongqing Univ, Coll Aerosp Engn, Chongqing 400044, Peoples R China.

[Yin, Linmao] Univ South China, Sch Civil Engn, Hengyang 421001, Hunan, Peoples R China.

通讯机构：

[Hao Liu] C

Chongqing Southwest Research Institute for Water Transport Engineering, Chongqing Jiaotong University, Chongqing 400016, China<&wdkj&>Key Laboratory of Inland Waterway Regulation Engineering Ministry of Communications, Chongqing Jiaotong University, Chongqing 400074, China<&wdkj&>Chongqing Xike Consulting Center for Water Transport Engineering, Chongqing 400016, China

语种：

英文

关键词：

Rayleigh-Benard convection;Linear stability analysis;Flow patterns;Density inversion

期刊：

International Journal of Heat and Mass Transfer

ISSN：

0017-9310

年：

2021

卷：

173

页码：

121240

DOI：

10.1016/j.ijheatmasstransfer.2021.121240

基金类别：

Author Statement Hao Liu: Investigation, Data analysis, Writing - original draft. Zhong Zeng: Supervision, Writing - review & editing. Zhouhua Qiu: Methodology, Validation. Linmao Yin: Code, acquisition.

机构署名：

本校为其他机构

院系归属：

土木工程学院

摘要：

In this paper, the onset of Rayleigh-Benard convection of cold water near its density maximum in a vertical cylindrical container and the stability of the steady axisymmetric flow were studied by using linear stability analysis. The results show that the critical Rayleigh number for the onset of convection increases with increasing the density inversion parameter Tm (Tm=(Phi(max)-Phi(c))/(Phi(h)-Phi(c)), where Phi(max) is the temperature at the maximum density, and Phi(h) and Phi(c) are the temperature at the bottom wall and top wall, respectively), and some new flow patterns not found in the ...

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Linear stability analysis of Rayleigh–Bénard convection for cold water near its density maximum in a cylindrical container

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