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Diffusion and convection in nature [PDF]

open access: yesThe European Physical Journal E, 2021
We present the Topical Issue 'Diffusion and Convection in Nature'.
Alberto Vailati   +3 more
openaire   +4 more sources

Energy reduction for commercial freezer by force convection cooling of heatsink

open access: yesEnergy Reports, 2022
Commercial freezers are commonly used the outer wall as a heatsink. This heatsink needs surrounded ambient air for cooling, which is the natural convection mechanism.
Surasit Thiangchanta   +3 more
doaj   +1 more source

Quantitative evaluation of the natural convection effect on thermal conductivity measurement with transient plane source method

open access: yesCase Studies in Thermal Engineering, 2023
When measuring the thermal conductivity of liquids with transient methods, natural convection occurs inevitably and whether it can be ignored is unknown.
Ke-Fan Wu   +4 more
doaj   +1 more source

Investigating the cooling of solar photovoltaic modules under the conditions of Riyadh

open access: yesJournal of King Saud University: Engineering Sciences, 2023
Cooling enhances the energy conversion efficiency and output of photovoltaic (PV) panels. In this work, the effects of natural convection, forced convection, and evaporative cooling on the performance of polycrystalline PV panels were investigated.
A. Almuwailhi, O. Zeitoun
doaj   +1 more source

Effect of natural convection on heat storage performance of tubular phase change heat accumulator

open access: yesJournal of Hebei University of Science and Technology, 2023
Aiming at the uncertaity of heat storage efficiency during the melting process of phase-change materials in the heat accumulator and the natural convection heat transfer process in the phase-change region, the influence of natural convection caused by ...
Jingzhi JIANG   +4 more
doaj   +1 more source

Heat Transfer Performance of Different Fluids During Natural Convection in Enclosures with Varying Aspect Ratios [PDF]

open access: yesE3S Web of Conferences, 2021
The heat transfer process takes place in numerous applications through the natural convection of fluids. Investigations of the natural convection heat transfer in enclosures have gained vital importance in the last decade for the improvement in thermal ...
Pendyala Rajashekhar   +2 more
doaj   +1 more source

In-situ concentration measurement of soluble-soluble redox couple in molten chlorides utilizing intense natural convection effect

open access: yesElectrochemistry Communications, 2023
Herein we reported the in-situ electrochemical concentration measurement of soluble-soluble redox species (Eu3+/Eu2+ and Sm3+/Sm2+) in molten LiCl-KCl, based on the notable natural convection in molten salts.
Fei Zhu   +6 more
doaj   +1 more source

Effects of drying temperature, airflow, and cut segment on drying rate and activation energy of elephant cassava

open access: yesCase Studies in Thermal Engineering, 2020
One of the abundant raw materials of bioethanol is cassava; elephant cassava is a particular type of cassava that is physically larger than local cassava.
Engkos Achmad Kosasih   +2 more
doaj   +1 more source

Transient Natural Convection in an Enclosure with Variable Thermal Expansion Coefficient and Nanofluid Properties [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2018
Transient natural convection is numerically investigated in an enclosure using variable thermal conductivity, viscosity, and the thermal expansion coefficient of Al2O3-water nanofluid.
Esmaeil Ghahremani
doaj   +1 more source

Effect of Heat Source Placement on Natural Convection from Cylindrical Surfaces

open access: yesEnergies, 2020
Placement of heat source can play a significant role in final heat output, or heat source effectivity. Because of this, there is a need to analyze thermal fields of the heat exchange system by natural convection, where the description by criterion ...
Andrej Kapjor   +2 more
doaj   +1 more source

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