Role of various configurations of a wavy circular heater on convective heat transfer within an enclosure filled with nanofluid

被引：65

作者：

Abdelmalek, Zahra ^{[1
,2
]}

Tayebi, T. ^{[3
,4
]}

Dogonchi, A. S. ^{[5
]}

Chamkha, A. J. ^{[6
,7
]}

Ganji, D. D. ^{[8
]}

Tlili, Iskander ^{[9
,10
]}

机构：

[1] Duy Tan Univ, Inst Res & Dev, Da Nang 550000, Vietnam

[2] Duy Tan Univ, Fac Med, Da Nang 550000, Vietnam

[3] Mohamed El Bachir El Ibrahimi Univ, Fac Sci & Technol, Dept Mech Engn, Bordj Bou Arreridj 34030, El Anasser, Algeria

[4] Freres Mentouri Constantine Univ, Fac Exact Sci, Dept Phys, Energy Phys Lab, Constantine 25000, Algeria

[5] Islamic Azad Univ, Dept Mech Engn, Aliabad Katoul Branch, Aliabad Katoul, Iran

[6] Prince Mohammad Bin Fahd Univ, Mech Engn Dept, Prince Sultan Endowment Energy & Environm, Al Khobar 31952, Saudi Arabia

[7] Amer Univ Ras Al Khaimah, RAK Res & Innovat Ctr, Ras Al Khaymah, U Arab Emirates

[8] Islamic Azad Univ, Dept Mech Engn, Sari Branch, Sari, Iran

[9] Ton Duc Thang Univ, Dept Management Sci & Technol Dev, Ho Chi Minh City, Vietnam

[10] Ton Duc Thang Univ, Fac Appl Sci, Ho Chi Minh City, Vietnam

来源：

INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER | 2020年 / 113卷

关键词：

Wavy circular heater; Natural convection; Nanofluid; Various configurations of the heater; Hybrid method; HOMOGENEOUS-HETEROGENEOUS REACTIONS; CONJUGATE NATURAL-CONVECTION; THERMAL-RADIATION; SQUARE CAVITY; MHD FLOW; MIXED CONVECTION; ENHANCEMENT; BUONGIORNOS; ANNULUS; NANOPARTICLES;

D O I：

10.1016/j.icheatmasstransfer.2020.104525

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this work, the role of various configurations of wavy circular heater and nanoparticles on convective heat transfer inside an enclosure having a wavy circular heater is explored. Various configurations of the inner wavy heater are considered. Numerical solutions of dimensionless governing equations are obtained via a hybrid method called Control Volume Finite Element Method (CVFEM). The influence of active parameters e.g. undulation number, wavy contraction ratio and so on is perused on convective heat transfer. According to the outcomes, it was found that the configuration of the wavy heater plays a crucial role in controlling the convective flow characteristic and the heat transfer rate within the enclosure. Hence, the present study can be a useful source for the manufactures of heated elements.

引用

页数：16

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