A comprehensive review on natural convection flow and heat transfer

Purpose The purpose of this paper is to carry out a comprehensive review of some latest studies devoted to natural convection phenomenon in the enclosures because of its significant industrial applications. Design/methodology/approach Geometries of the enclosures have considerable influences on the...

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Bibliographic Details
Published in:International journal of numerical methods for heat & fluid flow 2019-03, Vol.29 (3), p.834-877
Main Authors: Rahimi, Alireza, Dehghan Saee, Ali, Kasaeipoor, Abbas, Hasani Malekshah, Emad
Format: Article
Language:English
Subjects:
Boundary conditions
Computational fluid dynamics
Convection
Enclosures
Energy consumption
Entropy
Fluid flow
Fluids
Free convection
Heat sources
Heat transfer
Industrial applications
Methods
Nanofluids
Non-Newtonian fluids
Numerical analysis
Partial differential equations
Rayleigh number
Researchers
Studies
Velocity
Viscosity
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Summary:Purpose The purpose of this paper is to carry out a comprehensive review of some latest studies devoted to natural convection phenomenon in the enclosures because of its significant industrial applications. Design/methodology/approach Geometries of the enclosures have considerable influences on the heat transfer which will be important in energy consumption. The most useful geometries in engineering fields are treated in this literature, and their effects on the fluid flow and heat transfer are presented. Findings A great variety of geometries included with different physical and thermal boundary conditions, heat sources and fluid/nanofluid media are analyzed. Moreover, the results of different types of methods including experimental, analytical and numerical are obtained. Different natures of natural convection phenomenon including laminar, steady-state and transient, turbulent are covered. Overall, the present review enhances the insight of researchers into choosing the best geometry for thermal process. Originality/value A comprehensive review on the most practical geometries in the industrial application is performed.
ISSN:0961-5539
1758-6585
DOI:10.1108/HFF-06-2018-0272