传热系数和CHF随着管道尺寸的缩小而减小。
当温度继续降低时，铸锭表面传热系数又迅速减小。
After that, the heat transfer coefficient is rapidly decreased with temperature decline.
分析了干工况和湿工况的总传热系数实验公式的表达形式。
Analyses the experimental formula of total heat transfer coefficient of fully wetted and completely dry cooling conditions.
提出了一种紧凑式换热器平均表面传热系数瞬变测试方法。
A transient testing technique for measuring average convection heat transfer coefficients of compact heat exchangers is suggested.
而且，附加表面的传热系数甚至等于集束管传热系数的三分之一。
Moreover, the heat transfer coefficients for additional surface were even three times lower than those of the bundle.
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。
Heat transfer coefficient data for normal heat transfer region and heat transfer deterioration region is correlated respectively.
最后通过能耗模拟，比较了动态计算方法和有效传热系数法的差别。
Finally through simulation of energy consumption, we analyze the difference between dynamic analysis method and the effective heat transfer coefficient method.
瞬态液晶技术用于复杂几何表面传热系数高分辨率的测量是成功的。
The method has been proved to be successful for high resolution measurements in internal heat transfer on surfaces with complex geometries.
结果表明，提高对流传热系数是提高膜蒸馏热效率和渗透通量的关键。
It appears that improvement of convective heat transfer is very important for enhancement of flux and heat efficiency.
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。
A formula of combined heat transfer coefficient was obtained based on the analysis of heat transfer of copper staves.
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。
Complex heat transfer coefficient and resistance loss of the moving gas inside system are important parameters to evaluate the characteristics of heat exchanger.
分析了液碱蒸发装置结盐对蒸发传热系数、生产能力和蒸汽消耗的影响。
The influences of salt scale on heat transfer coefficient, production capacity and steam consumption in the evaporation of liquid caustic soda are analyzed.
通过对实测数据的回归分析，确定了胶皮风筒传热系数实用计算关系式。
Based on the measured data, practical equations for calculation of the ventilation duct heat transfer are also derived through regression analysis.
本文以两效蒸发实验装置的传热系数和出口浓度在线检测系统为研究对象。
In this thesis, the heat transmission coefficient and exit density of two-effect evaporation experimental facility are investigated.
为了比较各种材料的保温性能，提出了确定材料传热系数的标准气象条件。
In order to compare the insulation performance of different materials, this paper put forward the standard condition to determine the heat transfer coefficient.
以水为传热介质，采用组合桨，测定了装有双层蛇管的搅拌釜的传热系数。
The heat transfer coefficients of stirred vessel equipped with double coils were measured with water as heat transfer medium, using composite impellers.
分析了各因素对隔热厚度与传热系数的影响，并提出了相应的结论与建议。
We also discussed the factors which influence the thickness, and put forward some conclusions and suggestions.
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, heat resistivity, heat conductivity, heat exchanger, heating convection, heat conduction, heat radiation, heat convection exchange.
该方法可根据过程控制机采集的现场工作数据，实时地计算出蒸发器的传热系数。
By using this method and the operation data collected by the process control computer, the heat transfer coefficients will be achieved in real time.
计算表明，建筑物或户型的供暖指标与其平均传热系数和体形系数的乘积成正比。
The result shows that the heat loss indices are in direct proportion to the product of mean transfer coefficient and shape coefficient.
在实际操作过程中，选择合理的床层静止高度和气流脉动频率对提高传热系数有利。
In practice, choosing the static height of the bed layer and the frequency of the gas pulsation properly can increase the heat transfer coefficient.
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。
In mine geothermal prediction, the instable heat transfer coefficient is an important parameter for heat transfer (between country rock and air flow) computation.
本文对现有围护结构传热系数的测试方法做了分析与比较，以热流计法作为研究对象。
This paper compared and analyzed existing detection methods, then took Heat Flow Meter method as research object.
采用圆筒壁与肋片传热等简化模型来计算汽封块、静叶和隔板的传热过程总传热系数。
Simplified heat transfer models like cylindrical surfaces and fins are used for calculating the overall heat transfer coefficients of gland blocks, stationary blades and diaphragms.
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。
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.
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。
The heat transfer coefficient of large tube rotary dryer was calculated by using particle transfer model of moving heating-plate type.
采用混合管束既可获得高的总传热系数和管内外传热膜系数，又可以使管内压降不致过大。
Using mixed tube bundle, high heat transfer coefficient can be acquired as well as pressure drop not too high.
采用混合管束既可获得高的总传热系数和管内外传热膜系数，又可以使管内压降不致过大。
Using mixed tube bundle, high heat transfer coefficient can be acquired as well as pressure drop not too high.
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