Numerical scrutiny of entropy generation and ferro-nanoliquid magnetic natural convection inside a complex enclosure subjected to thermal radiation

被引：7

作者：

Chammam, Wathek ^{[1
]}

Nazari, S.

Abbas, Syed Zaheer ^{[2
]}

机构：

[1] Majmaah Univ, Coll Sci Al Zulfi, Dept Math, POB 66, Al Majmaah 11952, Saudi Arabia

[2] Ton Duc Thang Univ, Fac Math & Stat, Ho Chi Minh City, Vietnam

来源：

INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER | 2021年 / 125卷

关键词：

Magnetic Fe3O4-H2O nanoliquid; Thermal radiation; FEM; Complex enclosure; Circular heater; Bejan number; MIXED CONVECTION; HEAT-TRANSFER; NANOFLUID; CAVITY; ANNULUS; FLOW; ENHANCEMENT; SQUARE; FIELD;

D O I：

10.1016/j.icheatmasstransfer.2021.105319

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Magnetic natural convection of Fe3O4-H2O nanoliquid within a complex shaped enclosure with a roundish heater is numerically evaluated via FEM. The entropy generation is also perused. Thermal radiation's impact and nanoparticle shape may well be considered. In addition to this, MFD viscosity is taken into account to calculate the nanoliquid's viscosity. Influences of impressive factors e.g. radiation parameter, Rayleigh number, aspect ratio, volume fraction of nanoliquid, nanoparticle shape, and Hartmann number on the hydro-thermal's features and Bejan number have been perused. Supplementary to this, an exclusive correlation for Nusselt number has been proposed based on aforementioned parameters. Findings report that lower amounts of AR can provide higher heat transfer rate and mean Be could possess a descending trend by augmenting Ra.

引用

页数：14

共 40 条

[1] Effect of nonhomogeneous nanofluid model on transient natural convection in a non-Darcy porous cavity containing an inner solid body
Alsabery, Ammar I.
Ismael, Muneer A.
Chamkha, Ali J.
Hashim, Ishak
[J]. INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER, 2020, 110 (110)
[2] Impacts of variable magnetic field on a ferrofluid flow inside a cavity including a helix using ISPH method
Aly, Abdelraheem M.
Ahmed, Sameh Elsayed
Raizah, Zehba
[J]. INTERNATIONAL JOURNAL OF NUMERICAL METHODS FOR HEAT & FLUID FLOW, 2021, 31 (07) : 2150 - 2171
[3] Effects of uniform circular motion on natural convection in a cavity filled with a nanofluid using incompressible SPH method
Aly, Abdelraheem M.
Ahmed, Sameh E.
[J]. INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER, 2020, 116
[4] Mixing between solid and fluid particles during natural convection flow of a nanofluid-filled H-shaped cavity with three center gates using ISPH method
Aly, Abdelraheem M.
[J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 2020, 157
[5] Conjugate natural convection in a square enclosure with inclined thin fin of arbitrary length
Ben-Nakhi, Abdullatif
Chamkha, Ali J.
[J]. INTERNATIONAL JOURNAL OF THERMAL SCIENCES, 2007, 46 (05) : 467 - 478
[6] Effect of length and inclination of a thin fin on natural convection in a square enclosure
Ben-Nakhi, Abdullatif
Chamkha, Ali J.
[J]. NUMERICAL HEAT TRANSFER PART A-APPLICATIONS, 2006, 50 (04) : 389 - 407
[7] Heatline visualization of MHD natural convection in an inclined wavy open porous cavity filled with a nanofluid with a local heater
Bondareva, Nadezhda S.
Sheremet, Mikhail A.
Oztop, Hakan F.
Abu-Hamdeh, Nidal
[J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 2016, 99 : 872 - 881
[8] Role of multiple solar heaters along the walls for the thermal management during natural convection in square and triangular cavities
Das, Debayan
Lukose, Leo
Basak, Tanmay
[J]. RENEWABLE ENERGY, 2018, 121 : 205 - 229
[9] Numerical analysis of natural convection of Cu-water nanofluid filling triangular cavity with semicircular bottom wall
Dogonchi, A. S.
Ismael, Muneer A.
Chamkha, Ali J.
Ganji, D. D.
[J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY, 2019, 135 (06) : 3485 - 3497
[10] Optimization of a circular-wavy cavity filled by nanofluid under the natural convection heat transfer condition
Hatami, M.
Song, D.
Jing, D.
[J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 2016, 98 : 758 - 767

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