Prediction of effective thermal conductivity of nanofluids;
纳米流体有效热导率预测
Effective thermal conductivity measurement of fibrous insulations is a difficulty in the study of metallic thermal protection system(TPS) for reusable launch vehicles(RLV).
本文以NASALangley研究中心一维稳态有效热导率测试装置为依据,设计了测试温度达1 600℃、压力在1×10-3~1×105Pa的高温石墨平板炉,并对该设备的设计原理、装置构造、测试方法以及数据采集等方面进行了讨论,对三种国内不同厂家生产的高温纤维隔热毡的有效热导率进行了测试。
Based on the empirical equation of one-dimensional effective thermal conductivity within mathematical model of solid-liquid phase change,a modified equation of effective thermal conductivity is proposed and applied to solving the two-dimensional problem according to mathematical analysis and experimental data.
在一维固液相变数学模型中有效热导率计算公式的研究基础上 ,根据理论分析和实验数据 ,对一维有效热导率进行了修正 ,并把有效热导率计算公式应用到二维相变问题中 。
Next,considering the heat radiation,an expression of the effective themal conductivity based on the fractal theory is given.
基于分形理论建立了利用粉末散体空间的堆积密度、粉末颗粒的密度和孙隙介质的密度来计算粉末散体空间分形维数的表达式;同时利用等效热阻法建立了粉末散体空间有效热导率的并联分形模型,并给出了考虑热辐射贡献的有效导热率的计算公式。
Fractal model for predicting effective thermal conductivity perpendicular to fibres of wood;
木材横纹有效导热系数的分形模型
The effective thermal conductivity of the thermal insulation coatings incorporated with ceramic micro-spheres;
陶瓷微球填充型隔热涂料的有效导热系数
Nano-porous structures and effective thermal conductivity of aerogel super insulator;
超级绝热材料气凝胶的纳米孔结构与有效导热系数
Using THERMIX code to analyze the temperature distribution of pebble bed, three different types of effective conductivity are evaluated for radiation, convection and conduction.
研究了高温气冷堆球床内部热量传递机制,给出了三种有效导热系数的分析方法和计算模型。
The Heat Transfer Model for a Non-Uniform Granular Flow and It’s Effective Thermal Conductivity;
非均匀颗粒流的热传导模型及其有效热导率
Effective Thermal Conductivity Model of High Volume SiC_p/Al Composite
高比例SiC_p/Al复合材料的有效热导率模型
Theoretical Study on the Effective Thermal Conductivity of a Non-uniform Granular Flow with the Fractal Characteristic of Particle Size Distribution;
粒度分布具有分形特征的非均匀颗粒流的有效热导率理论研究
Study on effective thermal conductivity of open metal foam
开孔金属泡沫有效热导率的理论分析与实验研究
Bigger section area of three phase heating cable can broaden heat transmitting area and thisincreases the transmitting efficiency.
三相带截面大,传热导面积大,能提高传输效率。
Weighted Residual-Self Consistent Method for Effective Thermal Conductivity of Particulate Composites;
颗粒复合材料等效热导率的权残自洽方法研究
Investigation of lower hybrid current drive efficiency based on hot conductivity theory
利用热电导理论研究低杂波电流驱动效率
Simulation study on the influence of waveguide end distance to microwave heating efficiency
波导口距离对微波加热效率影响的仿真研究
Effective Measures for Enhancing Heat efficiency for CFB Boilers
提高循环流化床锅炉热效率的有效措施
This liquid conducts heat energy very efficiently.
这种液体能十分有效地传导热能。
conductive textile
传导纺织品(如具有去静电、抗热等效果)
It is often convenient to use an "effective guide index."
采用“波导有效折射率”是方便的。
thermal balance and thermal efficiency of furnaces inmetallurgical industry
冶金炉热平衡和热效率
The Efficiency of Monetary Policy in China--The Study of the Interest Rate Transmission Mechanism;
中国货币政策的有效性研究——兼论利率传导机制及其效率
The results are 1) thermal expansion, and 2) thermal conductivity.
结果导致:1)热膨胀,和(2)热导率。
Good navigation can guide students to learn efficiently.
良好的导航设计可以引导学习者有效的学习,提高学习效率。
thermal conductivity of whiteware ceramics
陶瓷热传导率测定方法
On Effective Methods of Improving Efficiency of Organic Heat Transfer Material Boiler in Textile Printing and Dyeing Industry
提高纺织印染工业有机热载体锅炉效率的有效方法
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