导热系数

具有产品质轻、导热系数小以及粉煤灰掺量大、成型方便、工艺简单、投资小、见效快等特点。

It has advantages of light weight , low coefficient of heat conductivity , high content of fly ash , easy forming , simple process , low investment and quick effect .

对计算中用到的材料参数如体积比热容Cρ、导热系数λ和热扩散系数H进行了实际测量和校正。

With actual measurement , some thermodynamic parameters such as bulk specific heat volume C ρ, coefficient of heat conductivity λ, and coefficient of heat diffusion H were obtained .

K，低于现场所使用材料的导热系数0.960W/m。

K below the heat conduction coefficient 0.960W/m .

用BP网络求解土体的导热系数

Solution of thermal conduction coefficient from BP network

几种Si、Ge纳米线导热系数的原子模拟

Atomic Simulations on Thermal Conductivity of Several Si , Ge Nanowires

Pb，Zn和Al在熔点附近的导热系数测试

Determination of thermal conductivities of pb , Zn and Al about melting point

用该芯材制成的聚氨酯真空隔热板具有优良的隔热性能，其导热系数低于0.010W/（m·K）

The vacuum insulation panel has excellent insulating performance and its thermal conductivity is less than 0.010 W / ( m · K ) .

针对真空绝热板（VIP）的导热系数的测试，采用稳态平板法，设计了测试装置。

Applying the steady-state-flat method , I design the apparatus for measuring thermal conductivity of the Vacuum Insulated Panel .

添加5%碳纳米管的复合PCM的导热系数增加了26.26%。

The addition of 5wt % carbon nano-tube can result in a 26.26 % increase in the thermal conductivity .

采用稳态平板法设计测试装置测试真空绝热板（VIP）的导热系数。

The apparatus for measuring thermal conductivity of the vacuum insulated panel ( VIP ) is designed by the steady-state-flat method .

SiO2气凝胶-硅酸钙复合纳米孔超级绝热材料导热系数的测定及绝热机理分析

Tested of Thermal Conductivity Coefficient of Super Thermal Insulation Composite Material with Silica Aerogels and Calcium Silicate and Thermal Analysed of Insulation Mechanism

保温材料EPS具有低导热系数、有一定的强度和韧性、可规模化成型、工艺成熟以及施工便利等优点。

Thermal insulation materials EPS has a low thermal conductivity coefficient , a certain strength and toughness , forming easily , mature technology and so on .

NZP陶瓷组成与显微结构对其导热系数的影响

Effect of Composition on Thermal Conductivity of NZP Family Ceramics

NZP陶瓷的导热系数研究

Study on the Thermal Conductivities of NZP Family Ceramics

HCFC-133a导热系数的实验研究

On the thermal conductivity coefficient of HCFC-133a by transient hot-wire technique

超细SiC片晶由于其高强度、高弹性模量和导热系数已成为替代价值昂贵、制备技术复杂SiC晶须的理想的增韧材料。

The ultrafine SiC platelets , as an ideal toughening material , has been substituted for SiC fiber which is expensive and hardly prepared , because of its high strength , high modulus of elasticity and thermal conductivity .

真空绝热板是一种超绝热保温材料，导热系数可以达到0.004W／（m·K），VIP的厚度薄，一般厚度在17mm左右。

Vacuum Insulated Panel is one kind of sup-adiabatic heat preservative material . The Thermal conductivity of VIP can reach to 0.004W/ ( m · K ) .

应用导热系数测量仪，测量了中空玻璃微珠（HGB）填充聚丙烯复合材料的等效导热系数（Keff）。

It measured the effective thermal conductivity ( K_ ( eff )) of hollow glass bead ( HGB ) filled-polypropylene ( PP ) composites by means of a thermal conductivity instrument .

对于含纳米碳管的THF水合物，不加分散剂时的导热系数比加分散剂的导热系数低，但高于纯THF水合物的导热系数。

Thermal conductivity of THF hydrate containing carbon nanotubes without dispersant is lower than that with dispersant , but it is higher than THF hydrate not containing carbon nanotubes .

用双热丝的瞬态热线法测量了HCFC-133a气相区和液相区的导热系数数据。

The thermal conductivity coefficients of HCFC 133a is measured by double hot wire technique .

运用计算流体力学（CFD）二维模型研究预混天然气在小尺度空间内燃烧及墙壁的导热系数、外部的热损对燃烧特性的影响。

A CFD ( computational fluid dynamics ) two-dimensional model was employed to study the combustion of premixed natural gas in a small-scale space and the impact of wall heat-conductivity factor and outer wall heat loss on the combustion characteristics .

该材料耐压强度大于50MPa，导热系数小于0.6W／（m·K），热震稳定性＞150次。

The material 's crushing strength > 50MPa , coefficient of heat conductivity < 0 . 6W / ( m. K ), resistance to thermal shock > 150 cycles .

本文讨论了树脂基碳纤维复合材料热导与各种纤维体积含量Vf及温度的关系，研究了树脂基碳纤维复合材料的传热机理，并给出了大量的导热系数数据。

The relations between thermal conductivity of carbon fibre / epoxy-resin composites and various volume concentrations of fibre V_f and temperature have been discussed . The thermal conduction mechanism of Carbon fibre / epoxyresin is researched and a lot of results are given in this paper .

并将填充挤条型氧化铁系催化剂、催化剂载体Al2O3和玻璃珠的固定床的测定结果与前人推荐的固定床有效导热系数的多种计算方法进行比较。

For fixed bed with iron oxide matrix catalyst , glass sphere and catalyst carrier Al_2O_3 respectively , the ( static ) ( effective ) thermal conductivity coefficient from experiment were compared with the data calculated by other correlations .

PWB的等效导热系数与PWB的总厚度、铜箔剩余率及铜箔厚度有关，设计时需考虑相关因素。

Equivalent heat conductivity of PWB is related to the thickness of PWB , the residual ratio of copper foil and the thickness of copper foil .

以Bregman距离函数作为正则化泛函，建立了多宗量瞬态热传导反演的一种求解模式，可对导热系数和边界条件等进行联合识别。

Taking Bregman D-Function as a regularization function , we present a general numerical model to identify the multi-variables , including thermal parameters and boundary conditions .

本文主要研究TC-2型导热系数测定仪的改进方法，并从实验原理和实验数据上予以阐明。

This paper discusses the methods how to improve TC-2 heat conduction coefficient , and expatiate on improvement 's principle and data .

从影响中间包涂料导热系数的因素和涂料中的CaO含量对中间包涂料的性能影响进行分析，研制出具有保温性能的w（CaO）15%的镁钙质中间包涂料。

The effects of heat transfer coefficient and CaO content of the tundish paint on the properties of the tundish paint are analyzed and on the basis of the analysis the w ( CaO ) 15 % MgO-CaO tundish paint with better holding performance is developed .

通过测量原理的分析对热针法进行优化；改进后的热针法可以快速简便地测量PCM在固液两态下的导热系数。

The first is to optimize the probe design , based on the theoretical analysis of the measurement principles ; The improved hot probe can conveniently be used for measuring the thermal conductivity of PCMs , both in liquid and solid states .

结果表明，对于相变潜热随温度变化的相变过程，其主要影响因素仍然是Stefan数、相对导热系数、相对热扩散系数、相变温度宽度等基本无量纲数。

The results showed that the main influence factors on the solid liquid phase change process with a variable latent heat are Stefan number , relative thermal conductivity , relative thermal diffusivity and dimensionless phase change temperature width .