Thermal driven flows inside a square enclosure saturated with nanofluids: Convection heat functions and transfer rate revisions from a homogenous model

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成果类型：

期刊论文

作者：

Wang, Lei;Zhang, Dong-Dong;Zhao, Fu-Yun*;Liu, Di;Wang, Han-Qing

通讯作者：

Zhao, Fu-Yun

作者机构：

[Wang, Lei; Zhang, Dong-Dong; Zhao, Fu-Yun] Wuhan Univ, Minist Educ, Key Lab Hydraul Machinery Transients, Wuhan, Hubei, Peoples R China

[Wang, Lei; Zhang, Dong-Dong; Zhao, Fu-Yun] Wuhan Univ, Hubei Key Lab Waterjet Theory & New Technol, Wuhan, Hubei, Peoples R China

[Wang, Lei; Zhang, Dong-Dong; Zhao, Fu-Yun] Wuhan Univ, Sch Power & Mech Engn, Wuhan 430072, Hubei, Peoples R China

[Liu, Di] China Univ Petr, Coll Pipeline & Civil Engn, Qingdao, Shandong, Peoples R China

[Wang, Han-Qing] Univ South China, Sch Civil Engn, Hengyang, Hunan, Peoples R China

通讯机构：

[Zhao, Fu-Yun] W

Wuhan Univ, Sch Power & Mech Engn, Wuhan 430072, Hubei, Peoples R China.

语种：

英文

关键词：

Deterioration;Enclosures;Excitons;Heat convection;Heat transfer performance;Nanoparticles;Thermal conductivity;Homogenous models;Numerical investigations;Numerical results;Rayleigh number;Square enclosures;Theoretical research;Thermal carriers;Transfer rates;Nanofluidics

期刊：

Numerical Heat Transfer, Part B: Fundamentals

ISSN：

1040-7790

年：

2019

卷：

期：

页码：

265-288

DOI：

10.1080/10407790.2019.1622348

基金类别：

Both Prof. Fu-Yun Zhao and Prof. Han-Qing Wang would also like to acknowledge the support from the Collaborative Innovation Center for Building Energy Conservation and Environment Control, Hunan Province, China. This research was financially supported by the Natural Science Foundation of China (NSFC Grant No. 51778504, Grant No. U1867221), Joint Zhuzhou – Hunan Provincial Natural Science Foundation (Grant No. 2018JJ4064), National Defense Research Funds for the Central Universities (Grant No. 2042018gf0031, Wuhan University), and National Key Research and Development Program of the Ministry of Science and Technology of China (Grant No. 2018YFC0705201, Grant No. 2018YFB0904200).

机构署名：

本校为其他机构

院系归属：

土木工程学院

摘要：

In former theoretical researches of nanofluid flows, numerical investigations could not agree with experimental observations, particularly regarding whether the mixing nanoparticles will enhance or deteriorate the heat transfer. In the present work, thermal driven buoyancy flows of nanofluids in a square enclosure were modeled by the use of homogeneous assumptions and the effective kinematic viscosity and thermal conductivity formulas. Thoroughly developed heat transfer coefficient is subsequently proposed, aiming to critically evaluate the performance of nanofluid heat transport. Numerical re...

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Thermal driven flows inside a square enclosure saturated with nanofluids: Convection heat functions and transfer rate revisions from a homogenous model

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