• 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测定虚拟实验课件内容特点

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  • Roofing heat preservation material should be chosen, disrupting the apparent density is small, coefficient of thermal conductivity (small) materials.

    屋面保温材料选用孔隙多、表观密度导热系数(小)材料

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  • 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,讨论了物料吸收系数折射率导热系数,换系数,物料表面辐射特性温度影响

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  • 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系数受到液氮导热系数变化影响沿管程逐渐下降约12.5%。

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  • 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比热测试方法,组装形成黄土土样试验装置

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  • 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.

    实验结果揭示出含水量一定情况下,导热系数比热容随密度增大而增大;在密度相同的情况下,导热系数比热容亦随含水量的增大而增大。

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  • This paper briefly introduces the performance requirements of the insulating materials such as the thermal conductivity, heat expansion coefficient, and density, etc.

    简要介绍保温隔热材料性能要求导热系数、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。

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  • 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物理特性提出热传导系数比热容的计算公式

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  • The effect of crucible heat conductivity can be neglected when heat transfer coefficient between crucible side and environment remains large enough.

    并且认为坩埚侧面环境热交换系数很大时,坩埚导率影响作用变小。

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  • Synthetic diamond is competitive in heat dispersing materials, because it has high thermal conductivity, low coefficient of thermal expansion and lower price.

    人造金刚石由于自身导率热膨胀系数相对价格已成为制造新型散热材料的研究热点。

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  • 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,测得黄土导热系数比热容。

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  • 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.

    纳米流体对流传热系数随着颗粒导率增加、颗粒体积分数增加以及颗粒粒径的减小而增大。

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  • 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同类产品所具有的重大强度导热系数小性能缺陷

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  • 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.

    相对于密度变化黄土导热系数比热容随含水量变化尤为显著,含水量变化可以引起热参数较大的变化。

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  • 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复合材料及其制备方法属于高性能功能材料领域

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  • 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.

    车辆隔热传热系数评价车体隔热性能重要指标,是车辆热工计算基本参数之一

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  • 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.

    车辆隔热传热系数评价车体隔热性能重要指标,是车辆热工计算基本参数之一

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