热传导

The effect of thermal contact resistance between aluminum coil for aluminum annealing was investigated by simulation experiment of heat conduction.

摘 要：采用热传导模拟实验研究铝卷层与层之间接触热阻对铝材退火的影响。

The heat conduction in frozen biological tissue irradiated by high - power short - pulse laser was investigated experimentally. The micro - scale film resistance thermometer with 1 JAS response time was used to measure temperature.

本文采用响应时间为1μs的超小型薄膜铂热电阻温度计及日本YOKOGAWA DL2700高速数字示波器，对微秒量级脉冲激光照射下冷冻生物组织内的热传导进行了实验研究。

To understand metabolic adaptations,the basal metabolic rate of four small birds in China were investigated.Metabolic rate,body temperature and thermal conductance were determined in yellow-browed bunting Emberiza chrysophrys at a temperature range of 5-35° C,chestnut-flanked white-eye Zosterops erythropleura and hwamei Garrulax canorus at 10-30° C,and red-billed leiothrix Leiothrix lutea at 10-35° C.Oxygen consumption was measured by using a closed circuit respirometer.

采用封闭式流体压力呼吸计，分别在5-35° C、10-30° C和10-35° C的环境温度范围内测定了黄眉NFDA2、红胁绣眼鸟、画眉和红嘴相思鸟的耗氧量、热传导、体温等指标，探讨了其代谢产热特征。

In the deformation analysis, equilibrium hyperelastic constitutive equations which are obtained by our experiments are applied; In the dissipation energy analysis, dissipation energy is calculated by combining the stress-strain distributions derived from the deformation analysis and viscous dissipation characters; In the heat transfer analysis, combining temperature on tire side tested by drum test, a numerical inverse method is described for determining the heat convection boundary on tire side.

变形分析中，采用了平衡态的超弹性材料模型；损耗分析中，依据变形分析获得的应力应变场，结合材料粘性损耗特性来获得损耗能量；热传导分析中，依据实测的轮胎胎侧温度场，提出了一种基于实验的数值反演方法来确定胎侧的对流热边界条件。

As compared with the experiment,the computed surface pressure and skin friction lines are very goo...

湍流模型对壁面压强和壁面摩擦力线影响很小，对绝热壁面温度和热传导影响很大。

Due to the difference of heat conduction coefficient, specific heat capacity and expansion coefficient between concrete and rock, under cyclic variation of temperature, the junction plane is liable to crack in the slope supported by shotcrete.

由于混凝土材料与岩土材料的热传导系数、比热容与热膨胀系数的差异，在温度的循环变化下使得喷射混凝土边坡容易于喷层与岩土层的结合面处产生应力集中而开裂。

Obtained material temperature field and thermal coupling coefficient and so on.

本文利用有限元的理论，对连续激光对金属材料的热传导过程进行了数值模拟，得到了金属材料的温度场分布和热耦合系数等结果。

The experience also measures the theremal stress Parameters which includes elastic module E, linear expansibility a,thermal coefficientλand specific heat c.

还对覆层的热应力参数，包括弹性模量E、材料的热胀系数α、材料热传导系数入和材料比热容C进行了测定。

This characteristic of the stainless steel is determined by the variance of therm...

随辐照时闻的增加，温度的升高，其温度涨落的幅度基本保持不变，这一持性是由不锈钢的热学参数如热传导率、热扩散率随温度变化的规律所决定的。

Taking into account temperature-dependent thermal conduction and heat capacity, a three-dimensional transient finite element model was established.

在考虑随温度变化而变化的热传导、比热容等热物性参数的作用下，建立了直接金属多道烧结的三维有限元分析模型。

Further more, the simplified analysis method on stressed-skin effect of corrugated steel sheet is also discussed in detail.

此外还比较详细地探讨了蒙皮效应的简化分析方法。

If I had known her telephone number,I would have called her.

要是我知道她的电话号码，我就打电话给她了。