A review on solar chimneys: from natural convection fundamentals to thermohydraulic best-performance proposals

B Zamora - Processes, 2023 - mdpi.com
This work presents an overview of (passive) solar chimney research, from the natural
convection fundamentals to the recent progress for achieving thermohydraulic best …

A CFD parametric analysis of natural convection in an H-shaped cavity with two-sided inclined porous fins

F Keramat, A Azari, H Rahideh, M Abbasi - Journal of the Taiwan Institute of …, 2020 - Elsevier
The performance of bilateral inclined solid and porous fins in natural convection within an H-
shaped cavity with a hot bottom wall, cold vertical walls, and insulated horizontal walls are …

Optimization of characteristics of an array of thin fins using PSO algorithm in confined cavities heated from a side with free convection

A Azimifar, S Payan - Applied Thermal Engineering, 2017 - Elsevier
In this paper, optimal characteristics of very conductive thin fins in the confined cavity are
obtained. Free convection is dominant mode of heat transfer in the cavity, and the …

Enhancement of heat transfer of confined enclosures with free convection using blocks with PSO algorithm

A Azimifar, S Payan - Applied Thermal Engineering, 2016 - Elsevier
In this paper, optimal shape of cavity with change of hot walls geometry is obtained using
PSO algorithm. In this method near domain of hot wall is divided into similar blocks as those …

Effect of fin thickness, grooves depth, and fin attachment angle to the hot wall on maximum heat transfer reduction in a square enclosure

MR Dindarloo, S Payan - International Journal of Thermal Sciences, 2019 - Elsevier
This study investigates the effect of optimal thickness, position, and length of a thick fin,
optimal groove depth, position, and length of a horizontally grooved thin fin, and optimal …

[PDF][PDF] MRT-LBM simulation of natural convection in a Rayleigh-Benard cavity with linearly varying temperatures on the sides: Application to a micropolar fluid

A El Mansouri, M Hasnaoui, A Amahmid… - Frontiers in Heat and …, 2017 - researchgate.net
ABSTRACT A two-dimensional numerical simulation is conducted to study natural
convection flow and heat transfer characteristics in a square cavity filled with a micropolar …

Numerical Investigation and Optimization of Mixed Convection and Entropy Generation in Square Cavity with Lid-Driven.

KM Shirvan, M Mamourian - Modares Mechanical …, 2015 - search.ebscohost.com
Taguchi method has been used since 1980 as an effective way to optimize the design
process engineering tests. In this paper, optimal conditions of the mixed convection and …

Thermally optimum spacing between inner plates in natural convection flows in cavities by numerical investigation

B Zamora - Processes, 2020 - mdpi.com
Buoyancy-driven airflow that included two isothermal inner plates established in a vented
cavity is investigated numerically. The thermally optimum wall-to-wall spacing of the …

Shape optimization of unsteady natural convection fields

E Katamine, S Imai, K Ishii - Inverse Problems in Science and …, 2018 - Taylor & Francis
This paper presents a numerical method for two shape optimization problems, namely,
prescribing the temperature history distribution on sub-boundaries and maximizing the …

Shape design of heat convection fields based on the adjoint method

E Katamine - Mechanical Engineering Reviews, 2018 - jstage.jst.go.jp
The utilization of shape design to improve heat transfer characteristics in heat convection
fields is an important subject in engineering. This review paper explains a numerical …