نتایج جستجو برای: interface thermal resistance

تعداد نتایج: 780815  

Journal: :Physical chemistry chemical physics : PCCP 2015
Jingchao Zhang Yang Hong Zhen Tong Zhihuai Xiao Hua Bao Yanan Yue

In this work, the interfacial thermal transport across silicene and various substrates, i.e., crystalline silicon (c-Si), amorphous silicon (a-Si), crystalline silica (c-SiO2) and amorphous silica (a-SiO2) are explored by classical molecular dynamics (MD) simulations. A transient pulsed heating technique is applied in this work to characterize the interfacial thermal resistance in all hybrid sy...

2011
J. Hey D. A. Howey R. Martinez-Botas M. Lamperth

This paper presents the development of a transient thermal model of the EVO Electric AFM 140 Axial Flux Permanent Magnet (AFPM) machine based on a hybrid finite difference and lumped parameter method. A maximum deviation between simulated and measured temperature of 2.4°C is recorded after using a Monte Carlo simulation to optimise model parameters representing a 53% reduction in temperature de...

Journal: :Nano letters 2014
Edward Dechaumphai Dylan Lu Jimmy J Kan Jaeyun Moon Eric E Fullerton Zhaowei Liu Renkun Chen

Thermal transport in multilayers (MLs) has attracted significant interest and shows promising applications. Unlike their single-component counterparts, MLs exhibit a thermal conductivity that can be effectively engineered by both the number density of the layers and the interfacial thermal resistance between layers, with the latter being highly tunable via the contrast of acoustic properties of...

Journal: :JCIT 2007
Hyung Suk Kang

Q : dimensionless heat loss from the fin, q/(klw f φ ) Abstract Rt: dimensionless thermal resistance A reversed trapezoidal fin with fluid in the inside wall is analyzed using a two-dimensional analytical method. Thermal resistance for the reversed trapezoidal fin is presented as a function of the fin length and fin base height. The relationship between the inside fluid convection characteristi...

2012
Yan Wang Xiulin Ruan Ajit K. Roy

We have used a two-temperature nonequilibrium molecular dynamics method for predicting interfacial thermal resistance across metal-nonmetal interfaces. This method is an extension of the conventional nonequilibrium molecular dynamics for the dielectric-dielectric interface, where a temperature bias is imposed and the heat current is derived. We have included the electron degree of freedom for t...

Journal: :iranian journal of science and technology (sciences) 2004
b. goliaei

many cell lines, when cultured under proper conditions, can form three dimensionalstructures called multicellular spheroids. these spheroids resemble in vivo tumor models in severalaspects. therefore, studying growth characteristics and behavior of spheroids is beneficial inunderstanding the behavior of tumors under various experimental conditions. in this work, we havestudied the growth proper...

M. Kalantar and G. Fantozzi,

Dense Silicon nitride was investigated to determine the effect of its microstructural parameters and densification on thermo-mechanical properties and thermal stress resistance to fracture initiation during a hot or cold mechanical and thermal shock testing. The different materials and microstructures were obtained by changing the parameters such as the type of the powder, additive, forming p...

Journal: :Dalton Transactions 2021

Systematic experimental and theoretical research on the role of microstructure interface thermal resistance conductivity PbTe-CoSb3 bulk polycrystalline composite is presented. In particular, correlation between particle size dispersed phase (R_{int}) phonon (\kappa_{ph}) discussed. With this aim, a series PbTe-CoSb_3 materials with different sizes CoSb_3 was prepared. The structural (XRD) micr...

M. Kalantar and G. Fantozzi,

Dense Silicon nitride was investigated to determine the effect of its microstructural parameters and densification on thermo-mechanical properties and thermal stress resistance to fracture initiation during a hot or cold mechanical and thermal shock testing. The different materials and microstructures were obtained by changing the parameters such as the type of the powder, additive, forming p...

Journal: :Nano letters 2005
Harshit A Patel Shekhar Garde Pawel Keblinski

Systems with nanoscopic features contain a high density of interfaces. Thermal transport in such systems can be governed by the resistance to heat transfer, the Kapitza resistance (RK), at the interface. Although soft interfaces, such as those between immiscible liquids or between a biomolecule and solvent, are ubiquitous, few studies of thermal transport at such interfaces have been reported. ...

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