The mass transfer equation was introduced into heat transfer model of falling film evaporation. The radial velocity, mass diffusion coefficient and variation of film thickness were taken into account.
将传质方程引入到垂直管降膜蒸发传热模型中，求解时考虑了径向速度、质量扩散系数和膜厚变化对传热的影响。
All measures to improve the complex heat transfer coefficient are discussed in detail together with the improvement of the existing heat exchanger and development of new types.
文中较详细地讨论了提高换热器综合传热系数的各种措施，还讨论了完善现有换热器和开发新型换热器等问题。
A formula of combined heat transfer coefficient was obtained based on the analysis of heat transfer of copper staves.
通过对铜冷却壁的传热过程分析，得到热面复合传热系数的计算公式。
Complex heat transfer coefficient and resistance loss of the moving gas inside system are important parameters to evaluate the characteristics of heat exchanger.
综合传热系数和系统内气体流动阻力损失是评价换热器性能的重要指标。
Heat-transfer coefficient, heat resistivity, heat conductivity, heat exchanger, heating convection, heat conduction, heat radiation, heat convection exchange.
传热系数，热阻率，导热系数，换热器，热对流，热传导，热辐射，对流传热。
Heat transfer coefficient data for normal heat transfer region and heat transfer deterioration region is correlated respectively.
分别在传热恶化前及传热恶化后两个区域内关联了传热系数数据。
The process of heat transfer while slab and billet solidifies is very complicated, but it become easy to describe by equivalent heat transfer coefficient.
连铸坯凝固时的传热过程是一个十分复杂的过程，用等效传热系数的方法来描述则简便易行。
The coefficient of convection heat transfer increases with increasing the particle diameters.
对流换热系数随着颗粒直径的增大而增大。
The results showed that the total heat transfer coefficient of heat exchanger with hot water arranged in shell-side was relatively higher by 33% than that with hot water arranged in tube-side.
结果表明：在相同的管、壳程流速下热流体在壳程时换热器总传热系数比热流体在管程时相对高出约33%。
Normally, coefficient of convective heat transfer is gotten through experiments which is heating testing tube by electricity and computed through Newton cooling law.
通常，对流换热系数是在实验中以电加热试验管壁面后根据牛顿冷却定律计算得来的。
In mine geothermal prediction, the instable heat transfer coefficient is an important parameter for heat transfer (between country rock and air flow) computation.
在矿井地热预测中，矿井风流与围岩之间的非稳定传热系数是传热计算的重要参数。
Then average heat transfer coefficient of building external wall and heat transfer coefficient of building block filling wall by calculating were calculated.
由于常规算法的局限性，在实际项目中换算外墙平均传热系数与外墙主墙体传热系数需要计算的工作量较大。
A important factor affecting heat transfer ability of double metal rolling fin tubes is gas-side heat transfer coefficient.
影响双金属轧片式翅片管的传热性能的一个重要因素是管外气体一侧的对流换热系数。
Theoretically, there is a lot of usable heat to be recovered, but the heat would be decreased in real operation, because of the limited heat transfer coefficient of adsorber.
理论上可回收的热量很多，实际上，由于吸附床传热系数的限制，使得回热量大大减少。
The influences of convective coefficient and absorbing coefficient on coupled heat transfer are investigated in detail.
考察了对流换热系数、吸收系数对三层复合层瞬态耦合换热的影响。
The heat transfer coefficient is obtained by solution of semi-infinity heat conduction theory.
用半无限大导热理论对瞬态导热过程进行换热系数求解。
This makes the convective heat transfer coefficient of the stainless steel tube is larger than that of the convection heat transfer coefficient of the copper tube.
这就使不锈钢管的对流放热系数比铜管的对流放热系数大。
It was shown that heat transfer coefficient increases with increasing heat flux, mass flux and decreasing gap of the annular channel.
结果表明：沸腾换热系数随着热流密度和质量流率的增加而增加，随着狭缝尺寸的增加而减小。
The heat transfer coefficient of large tube rotary dryer was calculated by using particle transfer model of moving heating-plate type.
论述了应用基于移动加热板的颗粒热传递模型计算大型旋转管排式干燥机传热系数的方法。
If the convective heat transfer coefficient is great enough, its rechange has smaller effect on temperature response.
当对流换热系数足够大时，再改变对流换热系数对温度影响较小。
A new experimental procedure is proposed based on instrumental variable method for analyzing wall surface heat transfer process and deducing wall surface heat transfer coefficient.
首次提出了用辅助变量法分析建筑墙体外表面换热过程及推导墙体外表面换热系数的实验方法。
The theoretical analysis model predicts the mean condensation heat transfer coefficient and the predicted mean condensation heat transfer coefficient is compared with experimental data as wall.
同时，由该模型对冷凝段的传热系数进行了预测，并将预测值与实验值进行了对比分析。
There isn ta general accepted method to calculate the effect of air on the condensation heat transfer coefficient so far.
空气量对蒸汽凝结放热系数影响的计算，目前还没有一个人们普遍公认的计算方法。
The influence factors of the heat transfer performance and the formula of the heat transfer coefficient on the evaporation side in the umbrella-plate have been obtained.
分析了影响伞板式降膜蒸发器传热的主要因素，得到了伞板降膜蒸发侧无因次传热系数的实验关联式；
Local convection heat transfer coefficient decreases along the micro-tube by 12.5% for the influence of thermal conductivity of liquid nitrogen.
微通道中局部对流换热系数受到液氮导热系数变化的影响沿管程逐渐下降约12.5%。
Moreover, the variation law of mold surface hardness and interface heat transfer coefficient were studied.
另外，研究了消失模铸造法铸型表面硬度、界面换热系数的变化规律。
The average evaporation heat transfer coefficient decreases with the increasing of the oil concentration.
不同含油率下，沸腾平均换热系数随质量含油率的增加而增加。
The heat transfer coefficient is a perfect object variable to optimize.
在工艺参数优化时，换热系数是一个理想的目标变量。
The heat transfer coefficient is a perfect object variable to optimize.
在工艺参数优化时，换热系数是一个理想的目标变量。
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