主要测试塑料,玻璃,纤维,泡沫等材料的导热系数。
The main test of plastic, glass, fiber, thermal conductivity of foam materials.
说明影响保温工程热损失的主要因素是材料的导热系数。
The brief analysis shows that the primary factor of effects on heat lose of thermal insulating engineering is thermal conductivity of material.
实验结果表明,石墨添加剂可以显著提高定形相变材料的导热系数。
Adding graphite can improve the thermal conductivity of shape-stabilized PCM obviously.
在实际应用中,正确地测定和估算某些多层复合材料的导热系数,具有重要的意义。
It is of importance to determine and estimate accurately the thermal coefficient of some kinds of layer compositer.
压滤成型工艺对最终材料的密度和显微结构有很大的影响,从而影响材料的导热系数。
The pressing formation process greatly affects the density and the microstructure of calcium silicate insulation material, and, also affects its thermal conductivity.
结果表明,添加剂用量越大或用量一定时比表面积越大,EVA材料的导热系数越低。
The results showed that EVA-based materials with larger additive contents or a constant content but larger specific surface areas possessed lower thermal conductivities.
本文对保温材料的导热系数、湿度、保温层厚度等影响保温工程热损失的一些因素作了简要分析。
This article analyzes briefly the factors of effects on heat lose of thermal insulating engineering, such as thermal conductivity, humidity, and thickness of insulating layer etc.
通过实验的方法测定耐火保温材料的导热系数,测算出耐火保温材料的导热系数随温度的变化规律。
We have done experiment to measure the thermal conductivity of insulation material KT-TC, and found out the relation between thermal conductivity and temperature.
通过模型计算对硬硅钙石型硅酸钙、气凝胶及硬硅钙石-气凝胶复合绝热材料的导热系数进行了对比研究。
The effective thermal conductivities of xonotlite-type calcium silicate, aerogel and xonotlite-aerogel composite insulation material were compared by model calculation.
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。
Roofing heat preservation material should be chosen, disrupting the apparent density is small, coefficient of thermal conductivity (small) materials.
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。
Comparing with traditional construction materials, the ceramic grain concrete possesses the advantages of smaller thermal conductivity coefficient, less weighty and better structural performance.
容重小的材料,一般导热泪盈眶系数也小,但同时机械强度也随之降低,故要合理选择。
Bulk density of small materials, heat conduction tear your eyes coefficient is generally small, but at the same time decreases in the mechanical strength, so be reasonable choice.
对建筑保温系统有了解的朋友会知道,材料的干湿度和导热系数关系很大。
Friends of the building insulation system will know that the material has a great relationship between the dry humidity and thermal conductivity.
散热片选用较高导热系数的材料对提高热传导效率很有帮助。
Selection of high thermal conductivity of the heat sink material is very helpful to improve the efficiency of heat conduction.
岩棉保温毡是导热系数低的一种优质的保温隔热材料。
Rock wool carpet heat preservation is low thermal conductivity of a kind of high quality thermal insulation material.
具体地导出了单向纡维复合材料和空心微珠复合材料等效导热系数的组分设计公式。
The equivalence heat conduction coefficients of fiber reinforced and hollow sphere filled composite materials would be particularly proposed.
碳材料如石墨、碳纤维、碳泡沫和膨胀石墨,他们都具有高导热系数、低密度和良好的化学稳定性。
Carbon materials, including graphite, carbon fibre, carbon foam and expanded graphite possess the properties of high conductivity, low density and good chemical stability.
其次,在该预制件体系中通过添加导热系数较低的原料,提高内衬材料的保温性能。
Secondly, in the prefabricated system, through the addition of raw materials with lower heat conduction coefficient, raising warming performance of lining material.
并在考虑材料真空放气的情况下,计算了管套的当量导热系数。
With vacuum outgassing taken into acount, the equivalent conductivity of annulus is analyzed in detail.
多孔材料等效导热系数与分形维数关系的数值模拟研究。
Numerical simulation of relationship between thermal conductivity of porous material and fractal dimension.
应用类比推理的物理学方法,从材料的导热与导电的相似性,推导出木材弦向导热系数的理论计算公式。
Theoretical formula of wood thermal conductivity in tangential direction was derived by analogy from the fact that heat conduction of the material was similar to its electric conduction.
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。
This paper briefly introduces the performance requirements of the insulating materials such as the thermal conductivity, heat expansion coefficient, and density, etc.
导热系数是材料热物理性质的重要参数之一。
Thermal conductivity is one of the most important parameters of thermophysical properties of materials.
建立了适用于热线半透明固体材料导热系数测试系统的简化解析模型。
A new simple analytic model available for the thermal conductivity measurement system of hot-wire and semitransparent solid materials is established.
开发出一种使用热线法测量和确定高温下固体材料导热系数的新方法。
A new measurement technique for thermal conductivity of solids at high temperature by the hot wire method is developed.
本文通过计算结果比较,分析了复合材料体分比、纤维截面形状、纤维与基体的相对导热系数对复合材料整体导热性能的影响。
The effects of volume fraction, cross section shape of fibers and the relative thermal conductivity of fiber and matrix on thermal conductivity of composites are analyzed in this thesis.
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 coefficient of thermal conductivity is very low, the insulation effect is very good, much higher than the general building materials.
导热系数是耐火材料重要的热学性能参数,也是炉窑设计重要的热工技术参数。
The thermal conductivity is an important thermal performance parameter of the refractory, is also an important thermal technical parameter of the kiln design.
分析了填充型高分子复合材料的导热机理,并预测复合材料导热系数的数学模型。
Thermally conductive mechanism and models that can predict the thermal conductivity of filled polymer composites are introduced.
分析了填充型高分子复合材料的导热机理,并预测复合材料导热系数的数学模型。
Thermally conductive mechanism and models that can predict the thermal conductivity of filled polymer composites are introduced.
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