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Article
Heat transfer and fluid flow characteristics over a backward-facing step (BFS) containing square-rectangular ribs integrated as forward-facing steps (FFS)
Modifying the geometrical structures is a potential strategy that targets the compactness of any new devices in order to produce greater cooling performance. The heat transfer enhancement over a BFS with uniqu...
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Article
Hybrid Nanofluid Unsteady MHD Natural Convection in an Inclined Wavy Porous Enclosure with Radiation Effect, Partial Heater and Heat Generation/Absorption
In this study, the flow and heat transfer components of convection are numerically investigated in a hybrid nanofluid-filled, porous-medium enclosure with wavy walls. The flow is considered to be buoyancy-driv...
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Article
Unsteady MHD hybrid nanofluid mixed convection heat transfer in a wavy porous cavity with thermal radiation
In the current investigation, a (TiO2–Ag/water) hybrid nanofluid (NF), saturated porous medium filled wavy-walled enclosure, and an unstable magneto-mixed convective flow are examined. Heat radiation (Rd) is pres...
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Article
A review of design parameters, advancement, challenges, and mathematical modeling of asphalt solar collectors
Roadside data collecting and communication applications might all benefit from power produced by energy harvesting from highways. According to the energy source they tap, roadside energy harvesters may be roug...
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Article
Experimental investigation of a novel heat exchanger for optimizing heat transfer performance using Al2O3-water nanofluids
This study presents an experimental investigation to determine the heat transfer enhancement in a novel heat exchanger known as the "Helicoidal Square-Shaped Heat Exchanger" with and without using a nanofluid....
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Article
Experimental Study on Improving the Thermal Efficiency Using Fin Array with Different Slant Angles in the Finned Plate Solar Air Heater FPSAH
A solar air heater is an effective way to heat air and has applications in heating rooms, drying crops, vegetables and seasoning timber. This study conducted an experiment to evaluate the impact of different s...
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Article
Turbulent heat transfer and nanofluid flow in an annular cylinder with sudden reduction
Turbulent heat and fluid flow of a nanofluid in an annulus with sudden area reduction are numerically and experimentally studied. Two different nanofluids are considered. Nanoparticles made of aluminum oxide (Al2
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Article
Heat transfer and fluid flow of pseudo-plastic nanofluid over a moving permeable plate with viscous dissipation and heat absorption/generation
The purpose of the present study is investigating the heat transfer of non-Newtonian pseudo-plastic nanofluid flow on a moving permeable flat plate with viscous dissipation and heat absorption/generation. The ...
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Article
Open AccessLaminar CuO–water nano-fluid flow and heat transfer in a backward-facing step with and without obstacle
This paper presents a numerical investigate on CuO–water nano-fluid and heat transfer in a backward-facing step with and without obstacle. The range of Reynolds number varied from 75 to 225 with volume fractio...
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Article
Preparation, characterization, viscosity, and thermal conductivity of nitrogen-doped graphene aqueous nanofluids
Nanofluids perform a crucial role in the development of newer technologies ideal for industrial purposes. In this study, Nitrogen-doped graphene (NDG) nanofluids, with varying concentrations of nanoparticles (...
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Article
Open AccessAn experimental study on thermal conductivity and viscosity of nanofluids containing carbon nanotubes
Recently, there has been considerable interest in the use of nanofluids for enhancing thermal performance. It has been shown that carbon nanotubes (CNTs) are capable of enhancing the thermal performance of con...
