查询词典 specific heat

Temperature field is obtained by Direct Finite Difference Method with parallelepiped mesh elements and the latent heat release is handled with a combination of equivalent specific heat method and temperature recovery method.

计算方法采用直交剖分的直接差分法；潜热处理采用等价比热法与温度修正法相结合的方法；在节约内存量和提高计算速度的基础上尽可能提高计算精度，并在三者之间取得合理平衡；对直交剖分带来的误差采用了热容量修正技术；针对不同铸造合金的凝固特点，对收缩缺陷判据进行了研究和扩展。

Rna - Rns, see "Partitioning of net radiation", for multiple plants the fraction of radiation to each plant is calculated in the radiation section, see "Partitioning of radiation between plants", es is the vapour pressure at saturation, ea is the actual vapour pressure,ρa is air density, cp is the specific heat of air at constant pressure, Lν is the latent heat of vaporisation,Δ is the slope of saturated vapour pressure versus temperature curve,γ is the psychrometer "constant", rs is an "effective" surface resistance and ra is the aerodynamic resistance.

潜在蒸腾量 Etp 根据Monteith(1965)给出的彭曼联合方程形式计算：式中： Rn 为对于蒸腾的有效净辐射量(也就是 Rna - Rns ，见"净辐射划分"-Partitioning of net radiation，对于多重植被，每一株植物的辐射比率的计算见辐射一节的"植物间的辐射划分"Partitioning of radiation between plants)； es 为饱和水气压；ea 为实际水气压；ρa 为空气密度； cp 为常压下的空气比热；Lν为汽化潜热；Δ为与温度曲线饱和水气压关系曲线斜率；γ为干湿球湿度计"常数"；rs 为"有效"表面阻力；ra 为气动阻力。

In the investigation,the finite-element software ANSYS was adopted to simulate the temperature field,and the effects of heat conductivity,specific heat and some boundary conditions such as sunlight radiancy and wind speed on the temperature field were analyzed.

应用有限元软件ANSYS对温度场进行模拟，分析了太阳辐射、风速等边界条件和导热系数、比热等计算参数对温度场的影响，并提出了相应的建议值。

An equation for the specific heat capacity of liquids which contains four constants hasbeen developed in this paper by means of analysis of data of heat capacities and properties offunction curves and its form is simple and convenient for use.

在液相比热容的研究方面，已有很多学者根据饱和液体比热容的实验数据关联出了较多的饱和液体比热容的方程式，但还没有专门针对过冷液体定压比热容而研制的方程式。

D If there is heat loss to the surroundings, will the true value of the specific heat capacity of X be higher or lower than that obtained in Explain why.

如果能量流失於环境，X的比热容的真值会比的答案较大还是较小？

The mixing method to measure solid specific heat capacity generally uses steam heater to heat the measured metal block.

混合法测量固体比热容实验一般采用蒸汽加热器对被测金属块进行加热，但用它测得的金属块的温度不准确，从而导致比热容不准确。

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。

The results show that as heat rate increases, he specific heat of glass with higher energy.

结果表明，玻璃比热随加热速度增高而增大并具有较高能量状态。

Addition of steel bar can increase conductivity for heat, and reduce specific heat of concrete.

钢筋的加入可以提高混凝土的导热性能，减小混凝土的比热。

The paper discusses the accuracy and applicability of various methods f or calculating heat quantity by using of specific heat.

介绍了常用6种比热计算热量的方法，比较了以上方法的准确性和适用性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。