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 increased with the inner tube diameter decreased.
凝结换热系数随内管径的增大而减小。
After that, the heat transfer coefficient is rapidly decreased with temperature decline.
当温度继续降低时,铸锭表面传热系数又迅速减小。
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。
An experimental correlation of the averaged heat transfer coefficient on the main surface is formulated.
根据实验结果给出了计算主盘表面平均对流换热系数的经验关系式。
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。
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。
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。
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。
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。
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。
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。
Analyses the experimental formula of total heat transfer coefficient of fully wetted and completely dry cooling conditions.
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。
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。
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。
The convection heat transfer coefficient of coolant within the grinding zone has been estimated using hydrodynamic and thermal modeling.
磨削区冷却液的热对流系数已由流体动力学和传热学模型估算得到。
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%。
The nonlinear parameter estimation technique can simultaneously estimate the thermal conductivity, heat transfer coefficient and absorbed energy.
采用非线性参数估计可同时估计出热扩散率、散热系数以及试样吸收的能量。
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。
The convective heat transfer coefficient(CHTC) of building exterior surface is an important parameter for energy-saving and urban environment simulation.
建筑外表面对流换热系数是建筑节能和城市环境模拟中的重要参数。
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。
In these applications, it is very crucial to predict the flow boiling heat transfer coefficient of liquid nitrogen for the system design and safe operation.
在这些应用中,准确预测液氮的流动沸腾换热特性对于系统设计和安全运行十分重要。
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。
In order to solve this problem, the effects of airflow velocity and airflow direction on heat transfer coefficient of wall surface are studied in this paper.
为了解决这个难题,本文通过实验测试和系统辩识的方法研究了风速风向对墙体表面换热系数的影响。
Finally through simulation of energy consumption, we analyze the difference between dynamic analysis method and the effective heat transfer coefficient method.
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。
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。
The simulation results indicated that heat transfer coefficient increased with increasing surface free energy difference and decreasing contact Angle hysteresis.
模型计算结果表明液固表面自由能差越大、接触角滞后越小则越有利于冷凝传热。
The simulation results indicated that heat transfer coefficient increased with increasing surface free energy difference and decreasing contact Angle hysteresis.
模型计算结果表明液固表面自由能差越大、接触角滞后越小则越有利于冷凝传热。
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