thermal diffusion coefficient
英 [ˈθɜːml dɪˈfjuːʒən ˌkəʊɪˈfɪʃnt]
美 [ˈθɜːrml dɪˈfjuʒən ˌkoʊɪˈfɪʃnt]
网络 热扩散系数
双语例句
- On the base of the copper vapor laser kinetic model the thermal diffusion coefficient for the metastable copper species and the ambipolar diffusion coefficient for electrons are analyzed.
结合铜蒸气激光器动力学模型对铜蒸气激光器动力学过程中的铜亚稳态粒子热扩散去激发及带电粒子双极扩散进行了分析。 - Taking C/ C composites of different structure and density as preform, C/ SiC composites were prepared by reactive melt infiltration. The relationship among density, component content, thermal diffusion coefficient and friction properties of C/ SiC composites was studied.
以不同结构类型及密度的C/C复合材料为预制体，采用反应熔体渗透法制备了C/SiC复合材料，研究了不同结构C/SiC复合材料的密度、组分含量、热扩散系数与摩擦性能相互之间的关系。 - A nonlinear and non-steady two-dimensional numerical model is used to study the thermal effect of urbanization on wind, temperature and vertical eddy diffusion coefficient and the evolution of nocturnal urban heat island circulation.
本文使用非定常非线性二维数值模式，研究夜间气流流经城市热岛上空引起的风场、温度场和垂直涡旋扩散参数的调整以及城市热岛环流的发展演变。 - Specific heat volum, heat conductivity, thermal diffusion ratio and linear expansion coefficient were tested.
测试了沥青炭试样的比热容、导热系数、热扩散率和线膨胀系数。 - By transforming the thermal conductivity equation, the mass diffusion coefficient is equivalent to the thermal conductivity coefficient, and the concentration of water vapor is equivalent to the temperature, then the mass transfer equation for water vapor was obtained.
本文通过变化热传导方程，使导热系数对应于扩散系数，温度对应于水蒸汽浓度，得到了质量传递方程。 - The mixing intensity and the interfacial vertical thermal diffusion coefficient near the outlet are analyzed based on the experimental data.
试验测得的断面流速、温度、紊动动能、雷诺应力等物理量，分析了分层流掺混强度和出水口附近交界面垂向热扩散系数的变化规律。 - The calculation of the separation factors and the aspects affecting are discussed, thermal diffusion transfer coefficients which effect the differential equation of thermal diffusion are researched, and factors effecting thermal diffusion separation efficiency are analyzed through the equations of transfer coefficient.
讨论了同位素分离系数的计算及其影响因素、分析了影响热扩散柱丰度微分方程的因素&热扩散传递系数，并根据传递系数的计算公式分析了决定热扩散分离效率的各种因素； - The construction and principle of transient automatic measurement apparatus for measuring materials 'thermal physics properties are introduced. The apparatus is applied to measure the thermal diffusion coefficient and thermal conductivity of materials by pulse method.
简述了热物理性质瞬态自动测量仪的结构和原理，应用该仪器采用脉冲法测量了材料的热扩散系数和热导率。 - This model mainly depends on the parameters below: surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of terrain, cloudage.
模式主要依赖于以下参数和物理量：地面反照率、下垫面粗糙度、土壤的可含水量、下垫面的热容量和热扩散系数、云量等参数。 - The Specific heat volum, heat conductivity, thermal diffusion ratio increase and linear expansion coefficient decrease with an increase of graphitization degree of pitch derived carbon.
随着沥青炭石墨化程度的增大，比热容、导热系数、热扩散率都增大，而线膨胀系数减小。 - Studies suggested that it has greater thermal diffusion coefficient because alumina high-temperature melt, temperature wave was relatively apt to pass to solid-liquid interface, so that caused the temperature of the interface to gurgitations;
研究表明由于氧化铝高温熔体具有较大的热扩散系数，温度波较容易传到固液界面引起界面温度起伏； - We find that thermal diffusion has little effect on the temperature field and when the heat convection coefficient is 0.03N/sec/mm/ ℃, the test results error is the minimum. 2.
发现热扩散对温度场影响不大，热对流系数取0.03N/sec/mm/℃时与试验结果误差最小。 - The thermal diffusion coefficient of the crystals were measured by the crystal pulse method.
用激光脉冲法测量了晶体的热扩散系数，比较了晶体a轴和c轴的热扩散系数随温度的变化关系。 - Compared with thermal diffusion, electric field reduces the diffusion activation energy of the metallic element and increases the diffusion coefficient at the same temperature. The diffusion coefficient of Mg and Al increases while the diffusion activation energy decreases with the increase of electric intensity.
相对于传统的热扩散，在温度相同下施加电场降低了金属元素的扩散激活能并且提高了扩散系数，随电场强度的增加，Mg、Al元素的扩散系数增大，扩散激活能下降。 - Thermal diffusion coefficient was measured by flash method, and the thermal conductivity of CBN-28 was also calculated. 3.
采用闪光脉冲法对晶体的热扩散系数进行测量，并由此计算出晶体的热导率。 - The basic property parameters of new thermal insulation mortar were tested. The moisture storage function, water vapor diffusion coefficient and liquid water diffusion coefficient were obtained by numerical calculation.
以新型保温砂浆为例对基本物性参数进行了测试研究，通过数值计算得到了材料的平衡湿度曲线、水蒸气扩散系数和液态水扩散系数，并将结果用Delphin软件进行了验证。 - The material parameters ( such as permeability, effective thermal conductivity and effective diffusion coefficient) have close connection with microstructure characteristic, and they are the foundation of simulation.
扩散层的物性参数（如渗透率、有效热导率和有效扩散系数等）与其微结构特征有密切联系，是进行模拟计算的重要基础。 - Vertical microcrack originated in the process of heat treatment resulted in a higher thermal diffusion coefficient.
热处理使EB-PVD热障涂层中产生了垂直于基体表面的微裂纹，导致涂层热扩散系数高于沉积态。