A comprehensive review of modeling water solidification for droplet freezing applications

S Akhtar, M Xu, M Mohit, AP Sasmito - Renewable and Sustainable Energy …, 2023 - Elsevier
Various mathematical approaches undertaken to model all stages of droplet freezing are
reviewed. The literature is rife with theoretical, experimental, and numerical treatments of the …

Analysis of the ultrafast transient heat transport in sub 7-nm SOI FinFETs technology nodes using phonon hydrodynamic equation

H Rezgui, F Nasri, ABH Ali… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
During the last ten years, the miniaturization of nanoscale field-effect transistors (FETs)
predicted by Moore's law has confronted an aggressive scaling down of the FET architecture …

Discrete heat conduction equation: Dispersion analysis and continuous limits

SL Sobolev - International Journal of Heat and Mass Transfer, 2024 - Elsevier
The dispersion relation in ω-k space has been derived and analyzed for discrete heat
conduction equation (DE). The DE is inherently nonlocal both in time and space and can be …

Asymptotic analysis of a two-phase Stefan problem in annulus: Application to outward solidification in phase change materials

M Xu, S Akhtar, AF Zueter, MA Alzoubi… - Applied Mathematics …, 2021 - Elsevier
Stefan problems provide one of the most fundamental frameworks to capture phase change
processes. The problem in cylindrical coordinates can model outward solidification, which …

Heat transport on ultrashort time and space scales in nanosized systems: Diffusive or wave-like?

SL Sobolev, W Dai - Materials, 2022 - mdpi.com
The non-Fourier effects, such as wave-like temperature propagation and boundary
temperature jumps, arise in nanosized systems due to the multiple time and space scales …

Consistent description of phase-change processes in substances with density contrast: a finite volume based approach

I Ahmad, R Kumar, U Ghosh, A Bhargav - International Journal of Thermal …, 2023 - Elsevier
Phase-change is an important phenomenon and usually it causes a concomitant change in
the density of the underlying materials. As applications of phase-change grow, it is important …

The Stefan problem with variable thermophysical properties and phase change temperature

TG Myers, MG Hennessy… - International Journal of …, 2020 - Elsevier
In this paper we formulate a Stefan problem appropriate when the thermophysical properties
are distinct in each phase and the phase-change temperature is size or velocity dependent …

Heat conduction across 1D nano film: Local thermal conductivity and extrapolation length

SL Sobolev, IV Kudinov - International Journal of Thermal Sciences, 2021 - Elsevier
We analyze the short scale effects on the 1D steady-state heat conduction across a nano
film using discrete variable model (DVM). The DVM allows for both diffusive and ballistic …

[HTML][HTML] Moving Taylor series for solving one-dimensional one-phase Stefan problem

A Elsaid, SM Helal - Alexandria Engineering Journal, 2022 - Elsevier
In this work, a modified form of Taylor series is proposed which we call the moving Taylor
series. We prove theorems that formulate coefficients of the proposed series along with the …

Discrete heat equation for a periodic layered system with allowance for the interfacial thermal resistance: General formulation and dispersion analysis

SL Sobolev - Physical Review E, 2024 - APS
Discrete heat equations for the multilayered periodic systems with allowance for the thermal
resistance between the layers and corresponding dispersion relations in ω− k space have …