The calculation of the boundary of the coefficient of conductivity should be different from that of the volume of the net grid.
为保持守恒,传导系数的边界和网块体积的边界应分别计算。
Because of the thermal conductivity of water, and water high into the rock wool products, the coefficient of thermal conductivity will rise dramatically.
由于水的导热系数很高,水分进入岩棉制品后,其导热系数将大幅度上升。
Comparing with traditional construction materials, the ceramic grain concrete possesses the advantages of smaller thermal conductivity coefficient, less weighty and better structural performance.
与传统的建筑材料相比,陶粒混凝土具有导热系数小、重量轻、结构性能好等优点。
Roofing heat preservation material should be chosen, disrupting the apparent density is small, coefficient of thermal conductivity (small) materials.
屋面保温材料应选用孔隙多、表观密度小、导热系数(小)的材料。
Calculation formulas of conductivity coefficient and specific heat were put forward by analyzing the heat physical characteristics of the new polymer mortar.
通过分析这种新型聚合物砂浆的热物理特性,提出了热传导系数和比热容的计算公式。
Synthetic diamond is competitive in heat dispersing materials, because it has high thermal conductivity, low coefficient of thermal expansion and lower price.
人造金刚石由于其自身高的热导率、低的热膨胀系数和相对低的价格已成为制造新型散热材料的研究热点。
The effects of absorption coefficient, refractive index, heat conductivity, convective heat-transfer coefficient and radiative properties of the surf ace on the temperature field are discussed too.
物料加热表面受到对流冷却,并讨论了物料的吸收系数,折射率,导热系数,换热系数,物料表面辐射特性对温度场的影响。
The heat transfer coefficient of nanofluids increases with increasing the thermal conductivity of nanoparticles and base fluid, and increases with an increase in the volume fraction of nanoparticles.
纳米流体的对流传热系数随着颗粒和基液热导率的增加、颗粒体积分数的增加以及颗粒粒径的减小而增大。
Decreasing hydraulic conductivity and diffusion coefficient may delay the increasing rate of the concentration ratio at the base of a GCL.
结果表明,减小渗透系数和扩散系数可以有效减缓衬垫底部浓度比的增加速度。
The relationship of Seebeck coefficient and electrical conductivity in different sintering temperatures was analyzed.
研究了这种热电材料的电导率、塞贝克系数与烧结温度的关系。
Different function forms of hydraulic conductivity coefficient influence the distributions of IFP in the local region of the tumor.
不同函数形式分布的水力传导系数,影响肿瘤局部区域内间质流体压强的分布。
Experimentation for coefficient of thermal conductivity and specific volume heat of loess is explored first; and the experimental installation is installed.
首先探讨了黄土导热系数和比热容的测试方法,组装形成黄土土样试验装置。
Local convection heat transfer coefficient decreases along the micro-tube by 12.5% for the influence of thermal conductivity of liquid nitrogen.
微通道中局部对流换热系数受到液氮导热系数变化的影响沿管程逐渐下降约12.5%。
The effect of crucible heat conductivity can be neglected when heat transfer coefficient between crucible side and environment remains large enough.
并且认为当坩埚侧面与环境的热交换系数很大时,坩埚热导率的影响作用变小。
The contents and characteristics of the virtual experiment courseware of Determining the Coefficient of Heat Conductivity is introduced in detail.
详细介绍了导热系数的测定虚拟实验课件的内容及特点。
The coefficient of thermal conductivity is very low, the insulation effect is very good, much higher than the general building materials.
导热的系数非常低,保温效能非常的好,远远高于一般的建筑材料。
The test data show that for loess with constant water content, if the density is increased, the coefficient of thermal conductivity and specific volume heat both are increased.
实验结果揭示出,在含水量一定的情况下,导热系数和比热容随密度增大而增大;在密度相同的情况下,导热系数和比热容亦随含水量的增大而增大。
This paper briefly introduces the performance requirements of the insulating materials such as the thermal conductivity, heat expansion coefficient, and density, etc.
简要介绍了保温隔热材料的性能要求(如导热系数、密度、膨胀系数等)、作用原理以及影响材料导热系数的主要因素。
With light, small coefficient of thermal conductivity, sound absorption performance is good, not burning, the chemical stability is good wait for a characteristic.
具有质轻、导热系数小、吸声性能好、不燃、化学稳定性好等特点。
This paper reviews the research progress of rapid thermal response composite materials with high thermal conductivity and composite materials with controllable coefficient of thermal expansion.
综述了高导热系数的快速热响应复合材料及可控热膨胀系数复合材料的研究进展,并介绍了热适应复合材料在电子器件散热领域的应用。
Then taking loess samples with different densities and moisture contents, the coefficient of thermal conductivity and specific volume heat of loess are tested.
然后取扰动黄土配制不同密度、不同含水量试样进行试验,测得黄土导热系数和比热容。
The composite material with very high heat conductivity and low heat expansion coefficient and its preparation process belongs to the field of high performance functional material.
一种超高导热、低热膨胀系数的复合材料及其制备方法,属于高性能功能材料领域。
The invention is high in compressive strength, good in hardness and not easy to fall off; the product has small coefficient of thermal conductivity and good thermal conservation performance.
本发明抗压强度高,涂料较硬,不易脱落,产品的导热系数较小,保温性能良好。
Therefore, the block overcomes the defects of high volume weight, low strength, low heat conductivity coefficient and the like existing in similar products in the market.
上述原因使得本砌块消除了市场上同类产品所具有的容重大、强度低、导热系数小等性能缺陷。
After that it is pointed out that compared with soil density changes, water content change can result in more variations of coefficient of thermal conductivity and specific volume heat of loess.
相对于随密度的变化,黄土导热系数和比热容随含水量的变化尤为显著,含水量变化可以引起热参数较大的变化。
Heat coefficient K of the car body heat insulation wall is the main target on conductivity of heat of the car body and is also one of the basic parameters in calculating the heating power of cars.
车辆隔热壁的传热系数是评价车体隔热性能的重要指标,是车辆热工计算的基本参数之一。
In different coefficient of thermal conductivity, two kinds of finite element model were used to simulate and solve for the annealing process.
在不同导热系数条件下,采用两种有限元模型对退火过程进行模拟和求解。
With light, small coefficient of thermal conductivity, sound-absorbing performance is good, non-flammable, chemical stability is good wait for a characteristic.
具有质轻、导热系数小、吸声能好、不燃、化学稳定好等特点。
With light, small coefficient of thermal conductivity, sound-absorbing performance is good, non-flammable, chemical stability is good wait for a characteristic.
具有质轻、导热系数小、吸声能好、不燃、化学稳定好等特点。
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