中文
相关论文

相关论文: Accessing temperature waves: a dispersion relation…

200 篇论文

In a recent work, assuming a Beer-Lambert optical absorption and a Gaussian laser time profile, the exact solutions for a 1D-photoacoustic(PA)-boundary value problem predict a null pressure for optically strong absorbent materials. To…

As the transistors and consequently the chips are getting smaller, the accurate investigation of heat transport at micro/nanoscale, becomes an important issue of concern. This is due to an increase in the energy consumption and the leakage…

应用物理 · 物理学 2025-05-19 Sharif A. Sulaiman , Zahra Shomali

A comprehensive understanding of heat transfer mechanisms in biological tissues is essential for the advancement of thermal therapeutic techniques and the development of accurate bioheat transfer models. Conventional models often fail to…

The accuracy of the classical heat conduction model, known as Fourier's law, is highly questioned, dealing with the micro and nanosystems and biological tissues. In other words, the results obtained from the classical equations deviate from…

The study of heat transport in micro/nanoscale structures due to their application, especially in Nanoelectronics, is a matter of interest. In other words, the precise simulation of the temperature distribution inside the transistors is…

介观与纳米尺度物理 · 物理学 2023-07-04 Roya Baratifarimani , Zahra Shomali

This work establishes a closed-form analysis for two-dimensional transient heat transfer in an absorber plate based on the thermal wave model when the collector starts to work. The method of separation of variables is employed to determine…

流体动力学 · 物理学 2022-04-19 Rahul Roy , Balaram Kundu

The leading order "temperature" of a dense two dimensional granular material fluidised by external vibrations is determined. An asymptotic solution is obtained where the particles are considered to be elastic in the leading approximation.…

软凝聚态物质 · 物理学 2009-10-31 P. Sunthar , V. Kumaran

Thermal wave crystals based on the dual-phase-lag model are investigated in this paper by both theoretical analysis and numerical simulation to control the non-Fourier heat conduction process. The transfer matrix method is used to calculate…

应用物理 · 物理学 2019-11-22 Zheng-Yang Li , Tian-Xue Ma , A-Li Chen , Yue-Sheng Wang , Chuanzeng Zhang

In this study, a time fractional dual-phase-lag model with temperature jump boundary condition as a choice for the Fourier's law replacement in thermal modeling of transistors, is utilized. In more details, the numerical simulation of heat…

介观与纳米尺度物理 · 物理学 2022-05-17 Mohammad Hosein Fotovvat , Zahra Shomali

A new approach to the study of similarity of temperature profiles is presented. It is applicable for any 2-D fluid flow along an isothermal heated (cooled) wall. The approach is based on a simple concept; the area under a set of scaled…

流体动力学 · 物理学 2018-01-09 David Weyburne

This paper studies a two-material optimal design problem for the time-averaged duality pairing between a (possibly time-dependent) heat source and the weak solution of an initial-boundary value problem for the heat equation with a…

偏微分方程分析 · 数学 2025-09-16 Kei Matsushima , Tomoyuki Oka

Numerical simulation of wave propagation in an infinite medium is made possible by surrounding a finite region by a perfectly matched layer (PML). Using this approach a generalized three-dimensional (3D) formulation is proposed for…

数值分析 · 数学 2016-12-21 Hisham Assi , Richard S. C. Cobbold

We consider the thermal behavior of a large number of matrix degrees of freedom in the planar limit. We work in $0+1$ dimensions, with $D$ matrices, and use $1/D$ as an expansion parameter. This can be thought of as a non-commutative…

高能物理 - 理论 · 物理学 2024-12-03 Takanori Anegawa , Norihiro Iizuka , Daniel Kabat

The aim of this paper is coupling of temperature oscillations and melt pool dynamics experimentally observed in laser melting. The literature survey has shown that the developed explanations are mainly focused on the capillary and…

Following recent work, we discuss waves in a warm ideal two-fluid plasma consisting of electrons and ions starting from a completely general, ideal two-fluid dispersion relation. The plasma is characterised by five variables: the electron…

等离子体物理 · 物理学 2020-12-18 Jordi De Jonghe , Rony Keppens

This study utilizes mathematical modeling to offer computational insights into biological heat transfer within elastic skin tissues. This heat transfer is driven by a moving heat source that relies on various relaxation times. Time delay…

组织与器官 · 定量生物学 2024-10-14 Abdelrahman A. Abbas , Ibrahim A. Abbas , Aboelnour N. Abdalla

Controlling the temperature in architectures involving nanoparticles and substrates is a key issue for applications involving micro and nanoscale heat transfer. We study the thermal behavior of a single nanoparticle interacting with a flat…

光学 · 物理学 2017-03-03 Houssem Kallel , Rémi Carminati , Karl Joulain

Accurate prediction of physical fields is critical in various engineering applications, including thermal management in electronic systems, airfoil shape optimization in aerospace, and flow field control in hypersonic vehicles. This study…

流体动力学 · 物理学 2026-03-12 Yuan Jia , Chi Zhang , Hao Ma , Qiao Zhang , Kai Liu , Chih-Yung Wen

Phase transitions impose topological constraints on thermodynamic state variables, masking energetic fluctuations at the phase boundary. This constraint is most apparent in melting systems, where temperature remains pinned despite continued…

大气与海洋物理 · 物理学 2026-02-09 Zhiang Xie

In this paper thermal conductivity and thermal diffusivity of a two layer system is examined from the theoretical point of view. We use the one dimensional heat diffusion equation with the appropriate solution in each layer and boundary…

凝聚态物理 · 物理学 2009-10-28 G. Gonzalez de la Cruz , Yu. G. Gurevich
‹ 上一页 1 2 3 10 下一页 ›