Results 1 to 10 of about 125,718 (97)

Two-phase numerical model for thermal conductivity and convective heat transfer in nanofluids [PDF]

open access: yesNanoscale Research Letters, 2011
Due to the numerous applications of nanofluids, investigating and understanding of thermophysical properties of nanofluids has currently become one of the core issues.
Kondaraju Sasidhar, Lee Joon Sang
doaj   +3 more sources

Natural Convection Melting Influence on the Thermal Resistance of a Brick Partially Filled with Phase Change Material

open access: yesFluids, 2021
The constant growth of urban agglomerations with the development of transport networks requires the optimal use of energy and new ways of storing it. Energy efficiency is becoming one of the main challenges of modern engineering.
Nadezhda S. Bondareva   +1 more
doaj   +1 more source

Mathematical Modeling of Pseudoplastic Nanofluid Natural Convection in a Cavity with a Heat-Generating Unit and Solid Finned Heat Sink

open access: yesMathematics, 2023
The power-law nanofluid natural convection in a chamber with a thermally generating unit and a solid ribbed structure has been studied in this work. A mixture of carboxymethylcellulose with water and copper nanoparticles is a working fluid illustrating ...
Daria S. Loenko, Mikhail A. Sheremet
doaj   +1 more source

A Numerical Study of Heat Performance of Multi-PCM Brick in a Heat Storage Building

open access: yesMathematics, 2023
Modern technologies of thermal power engineering make it possible to design and build systems using renewable energy sources. Often, energy accumulation and storage require the development and adaptation of appropriate systems, the simplest of which are ...
Nadezhda S. Bondareva   +1 more
doaj   +1 more source

Numerical Analysis of Heat Transfer through Hollow Brick Using Finite-Difference Method

open access: yesAxioms, 2022
The goal of the present work is to develop and test in detail a numerical algorithm for solving the problem of complex heat transfer in hollow bricks. The finite-difference method is used to solve the governing equations.
Igor V. Miroshnichenko   +2 more
doaj   +1 more source

The Brick Thermal Performance Improvement using Phase ‎Change Materials [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2020
The problems of heat and mass transfer in phase change materials are of great engineering interest. The absorption and storage of energy in the form of latent heat makes it possible to use them in the construction industry to smooth out the effects of ...
Nadezhda S. Bondareva   +2 more
doaj   +1 more source

Influence of the Fin Shape on Heat Transport in Phase Change Material Heat Sink with Constant Heat Loads

open access: yesEnergies, 2021
Nowadays, the heat transfer enhancement in electronic cabinets with heat-generating elements can be achieved using the phase change materials and finned heat sink.
Nadezhda S. Bondareva   +2 more
doaj   +1 more source

Computational Study of Heat Transfer inside Different PCMs Enhanced by Al2O3 Nanoparticles in a Copper Heat Sink at High Heat Loads

open access: yesNanomaterials, 2020
The cooling of electronic elements is one of the most important problems in the development of architecture in electronic technology. One promising developing cooling method is heat sinks based on the phase change materials (PCMs) enhanced by nano-sized ...
Nadezhda S. Bondareva   +2 more
doaj   +1 more source

Effect of Thermal Conductivity and Emissivity of Solid Walls on Time-Dependent Turbulent Conjugate Convective-Radiative Heat Transfer [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2019
In the present study, the conjugate turbulent free convection with the thermal surface radiation in a rectangular enclosure bounded by walls with different thermophysical characteristics in the presence of a local heater is numerically studied.
Igor V. Miroshnichenko   +1 more
doaj   +1 more source

Numerical Simulation of Convective-Radiative Heat Transfer

open access: yesEnergies, 2021
Heat transfer including heat conduction, thermal convection, and thermal radiation is a major transport process that occurs in various engineering and natural systems such as heat exchangers, solar collectors, nuclear reactors, atmospheric boundary ...
Mikhail A. Sheremet
doaj   +1 more source

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