heat conduction coefficient matrix

In this paper, the orthotropic feature of material property is considered; heat conductivity can be transformed from material coordinates into element coordinates and then the formulations of thermal analysis are deduced.

根据壳元的几何形状规定, 推导了壳元几何关系公式; 假设温度沿壳元厚度是二次多项式分布, 在给定边界条件下, 推导了壳元温度函数表达式; 根据传热定理和有限元离散原理, 推导了复合材料热传导系数从材料坐标系到有限元分析的等参元正则坐标系的变换关系, 建立了各向异性复合材料层合板的有限元热分析列式; 通过积分变换, 推导了三维退化热壳元公式。

Computation of thermal conductivity during welding by inversion method;

焊接过程热传导系数反演法

During sintering, the kinds and amount of sintered aids will influence the densification and thermal conductivity coefficient of AlN ceramics.

介绍了在 Al N烧结中 ,烧结助剂的种类和加入量对 Al N陶瓷材料的烧结致密度和热传导系数的影响。

A numerical algorithm is proposed to estimate the temperature dependent thermal conductivity of two dimensional nonlinear inverse steady heat conductionf problem.

建立了非线性二维导热反问题的数学模型 ,利用边界温度观测信息 ,采用遗传算法和有限元法相结合的混合数值方法 ,确定了二维非线性导热问题中材料热传导系数随温度线性变化的规律 。

The purpose of this article is to study the relation of the interface heat transfer coefficient with initial temperature of specimen and pressure as two non-isothermal cylinders contact each other.

研究了两个不同温度的圆柱体在相互热压时，其间的接触热传导系数与热工件的初始温度及压力之间的关系。

The inverse problem of estimating the heat transfer coefficient and surface temperature is formulated.

建立了基于优化算法的估计材料热传导系数和边界条件的热传导反问题求解方法。

In this paper,the author calculated the thermal conductivity coefficients and the viscosity coefficients of H2-H2 system by using Tang-Tonennies potential model.

本文利用Tang-Toennies(TT)势模型计算的H2-H2相互作用势,对热传导系数和粘滞系数做了计算,其结果与理论值符合得较好,说明TT势模型对于氢分子系统计算是成功的。

Based on the noble gas atom interaction potentials by means of potential model,thermal conductivity coefficients λ of four binary mixtures are calculated.

从气体原子间相互作用的微观模型出发,采用气体原子间相互作用势的TT模型势,系统计算了四种二元混合气体在不同温度下的热传导系数的理论值,并与Kestin等人所拟合的最佳值进行比较,结果符合得较好,计算结果证明了TT势模型的准确性。

An approach is proposed to determine the equivalent thermal conductivity coefficient of fire insulation according to temperature of steel member obtained by standard fire test.

针对厚型钢结构防火涂料的热工参数确定问题和膨胀型钢结构防火涂料隔热性能无合适方法评价的现状,提出了根据耐火试验检测测定构件升温过程确定防火涂料等效热传导系数的方法。

The size-effect of thermal conductivity coefficient and relaxation effect of thermal flux in microsize is seldom dealt with in tradition thermal science, in this paper, the reasons of these phenomenon have been discussed, the calculation method of thermal wave theory and the thermal flux which the tunneling effect result in is discussed.

亚微结构尺寸热传导系数的尺寸效应和热流的延迟效应是传统热科学理论极少涉及的问题。

Prediction on coefficient of thermal conductivity for 2D braided C/SiC composites

二维编织C/SiC陶瓷基复合材料的热传导系数预测

Study on the Average Heat Transfer Coefficient of the Railway Car Body in State of Steady Conduction

客车车体稳定导热平均传热系数的研究

Discussion on Effective Thermal Conductivity of Molten Steel in Numerical Simulation of Solidification in Continuous Casting

关于连铸凝固传热数值模拟中钢液有效导热系数的探讨

An Absolutely Stable and 2-Layered Difference Scheme for the Heat Conduction Equations with Variable Coefficients

变系数热传导方程的两层绝对稳定差分格式

film coefficient of heat transfer

薄膜传热系数表面散热系数

testing method for thermal conductivity of firebricks by hot wire

耐火砖导热系数测定-导热系数试验方法

The Establishment of Coniferous Timber Structure Simulation System and Application in the Research of Heat Conduction;

针叶材构造数字模拟系统的建立及其在热传导研究中的应用

An Compact ADI Difference Method for the Heat Equations with Variable Coefficients

变系数热传导方程绝对稳定的紧交替方向差分格式

MEASURING METHOD OF GEOMATERIAL THERMAL CONDUCTIVITY BASED ON DISTRIBUTED OPTICAL FIBER SENSING TECHNOLOGY

基于分布式光纤传感技术的岩土体导热系数测定方法

Measuring System of Thermal Conductivity of Poor Conductor Based on LabVIEW

基于LabVIEW的不良导体导热系数测量系统

testing method for thermal conductivity of insulating firebrick

绝热耐火砖导热系数测定方法

Influence of side radiating on thermal conductivity measurement

侧面散热对导热系数测量的影响研究

Numerical Analysis of Heat-transfer Model of Mircrowave Sintering for Ceramics Composites with Heat Conduction Phases

导热相复合陶瓷微波烧结传热模式数值分析

Measurements of Thermal Conductivity and Diffusivity of Loose Coal Using a Hot-Wire Method

热线法同时测松散煤体导热系数及热扩散率

Numerical Methods and Analysis for the Semiconductor Device Simulation with Heat Conduction;

热传导型半导体瞬态问题的数值解法和分析

Theoretical Analysis and Validation on Heat Transfer of Covering Layer and Heat Transfer Coefficient;

温室覆盖层传热及传热系数的理论解析与验证

Discussion on the Heat Transfer Coefficient in Thermal Calculation of CDQ Waste-heat Boiler

对干熄焦余热锅炉热力计算中传热系数的探讨

Heat transfer coefficient of additional heating surface in CDQ waste-heat boiler

干熄焦余热锅炉中附加受热面传热系数的研究