Results 11 to 20 of about 124,050 (314)

Numerical analysis of dynamic thermoelastic problem combined with non-Fourier heat transfer equation by finite-difference time-domain method

open access: yesNihon Kikai Gakkai ronbunshu, 2021
Heat transfer in media is generally characterized by the empirical heat conduction law which was proposed by Fourier. However, the application of this empirical law to the problem of fast transient heat transfer such as a pulsed laser heat is not ...
Masayuki ARAI   +2 more
doaj   +1 more source

Modelling mass and heat transfer in nano-based cancer hyperthermia [PDF]

open access: yesRoyal Society Open Science, 2015
We derive a sophisticated mathematical model for coupled heat and mass transport in the tumour microenvironment and we apply it to study nanoparticle delivery and hyperthermic treatment of cancer.
M. Nabil, P. Decuzzi, P. Zunino
doaj   +1 more source

Numerical Simulation of Unsteady Flow toward a Stretching/Shrinking Sheet in Porous Medium Filled with a Hybrid Nanofluid [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2022
The purpose of this study is to present simulation and numerical solutions to the unsteady flow and heat transfer near stagnation point over a stretching/shrinking sheet in porous medium filled with a hybrid nanofluid.
Saeed Dinarvand   +2 more
doaj   +1 more source

Determining 2D temperature field in flow boiling with the use of Trefftz functions [PDF]

open access: yesEPJ Web of Conferences, 2019
The paper proposes the use of Trefftz method to solve the triple coupled heat conduction problem in flow boiling of refrigerant in an asymmetrically heated minichannel. A mathematical model of heat transfer in a rectangular minichannel is suggested.
Ho ejowska Sylwia
doaj   +1 more source

Modeling of shallow, horizontal, unsaturated, ground-based heat exchangers with consideration of dry zone formation [PDF]

open access: yesE3S Web of Conferences, 2020
High fluid temperatures in ground-based heat exchangers (GHXs) during the cooling season may result in a decrease in thermal conductivity of adjacent backfill (λbackfill), potentially causing degradation in the performance efficiency of the GHX system ...
Oh Hyunjun, Tinjum James M.
doaj   +1 more source

Magnetoplasmon-surface phonon polaritons’ coupling effects in radiative heat transfer [PDF]

open access: yesOptics Letters, 2020
In this work, the coupling of magnetoplasmon polaritons (MPP) to surface phonon polaritons (SPhPs) in near-field radiative heat transfer is theoretically investigated. The system is composed of two parallel graphene-coated S i O 2 substrates.
Mingjian He   +4 more
openaire   +3 more sources

Effect of heat transfer on unsteady MHD flow of blood in a permeable vessel in the presence of non-uniform heat source

open access: yesAlexandria Engineering Journal, 2016
This paper presents a theoretical analysis of blood flow and heat transfer in a permeable vessel in the presence of an external magnetic field. The unsteadiness in the coupled flow and temperature fields is considered to be caused due to the time ...
A. Sinha, J.C. Misra, G.C. Shit
doaj   +1 more source

Coupling radiative heat transfer in participating media with other heat transfer modes

open access: yesJournal of the Brazilian Society of Mechanical Sciences and Engineering, 2015
The common methods for finding the local radiative flux divergence in participating media through solution of the radiative transfer equation are outlined. The pros and cons of each method are discussed in terms of their speed, ability to handle spectral properties and scattering phenomena, as well as their accuracy in different ranges of media ...
John Tencer, John R. Howell
openaire   +2 more sources

Simulation achievement of lab-scale formations with high geotemperature gradient

open access: yesShuiwen dizhi gongcheng dizhi, 2023
The heat exchange between geothermal wells and surrounding formations is important to the heat production of geothermal wells. Due to the difficulty in arranging measurement points around geothermal wells in real engineering, it is hard to verify the ...
Deqian ZHANG, Haiyan LEI, Chuanshan DAI
doaj   +1 more source

Numerical Simulation of radon migration influenced by heat-moisture coupled transfer in aerated concrete wall under different outdoor temperature and humidity conditions [PDF]

open access: yesE3S Web of Conferences, 2022
It is of great significance for indoor radon radiation protection to study the mechanism of radon migration systematically caused by heat-moisture coupled transfer in building walls.
Chen Yuanchao   +4 more
doaj   +1 more source

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