heat transfer coefficient

Traditionally, heat transfer coefficient is measured in the laboratory under the estimated extremely cold winter environment condition of winter cold area in accordance with Graduation and test method for thermal insulating properties of windows ( GB8484-1987).

《建筑外窗保温性能分级及其检测方法》GB8484-1987规定窗户传热系数检测在模拟严寒地区冬季条件下进行的，与夏热冬暖地区的实际使用情况有较大差别；

An Investigation of the Heat Transfer Coefficient Distribution over a Spherical Fuel Element for a Pebble Bed Reactor

高温气冷堆球床模拟研究球床堆燃料元件球放热分布研究

Tail pipe as the important part of pulse combustor is a very good heat transfer device, in which high-temperature high-frequency pulsatile flow lead to heat transfer coefficient enhancement.

尾管作为脉动燃烧器重要的组成部件，能够产生高温高频脉动气流，可成倍提高传热系数，是一种非常理想的换热装置。

The heat transfer coefficient and thermal inertial factor of exterior wall main body meet the requirement and that is suitable for energy saving alteration in hot summer warm winter area.

选择采用外墙内保温，即内抹玻化微珠保温砂浆的做法，外墙主体部位的传热系数、热惰性指标均符合要求，适用于夏热冬暖地区的节能改造。

According to the results in this experiment, based on the similarity between flash evaporation and nuclear boiling, an experimental expression of heat transfer coefficient with all of the influence parameters was presented with the maximum error of 27%.

根据实验结果，基于闪蒸过程类似核态沸腾，给出了换热系数与各影响参数之间关系的实验关联式，与实验结果的误差小于27%。

Simulation of Thermal Evolution of Strip and Determination of Heat Transfer Coefficient in Deformation Zone During Hot Rolling

热轧带钢传热模拟及变形区换热系数的确定U型管桩埋换热器稳态传热模拟研究

Result shows: The boiling heat transfer coefficient and condensing heat transfer coefficient increase, the total thermal resistance of radiator decreases with the increasing of heating power.

实验与计算结果表明：随着加热功率即热流密度的增大，沸腾换热系数和冷凝换热系数增大，散热器总热阻减小；

On the ground of theoretical analysis, thermal infrared imager can rapidly and accurately get the information of energy conservation of buildings and the heat transfer coefficient of enclosing construction.

以此为基础，采用红外热像仪可以快速准确地检测建筑节能情况，得出围护结构的传热系数。

This paper reports the current studies on the film cooling characteristics of single-row holes on flat plate at different blowing ratios, and analyzes the distributions of adiabatic film cooling effectiveness and heat transfer coefficient downstream the film holes.

对不同吹风比条件下的典型单排孔冷却结构的平板气膜冷却特性进行了实验研究，对冷却孔下游的气膜冷却效率及换热系数分布规律进行了分析。

Determination of heat transfer coefficient for corrugate pipe heat exchanger is discussed, and the method of separating surface heat transfer coefficient from heat transfer coefficient with genetic algorithm is put forward.

讨论了波纹管换热器传热系数的测定，提出了采用遗传算法将对流表面传热系数从传热系数中分离出来的方法。

As a result, heat dissipating capacity, metal thermal intensity and free convection heat transfer coefficient of the longitudinal closed finned tube are higher than those of the open finned tube.

结果表明，封闭式纵向翅片管的散热量、金属热强度以及自然对流换热系数都要高于开放式翅片管。

A General Correlation for Predicting Average Heat Transfer Coefficient of Film Condensation

计算冷凝平均膜传热系数的一个普遍关联式

A new method of calculating the heat transfer coefficient for vertical tube Reboiler

计算垂直管再沸器传热系数的新方法

Equivalent convective heat transfer coefficient with considering the air clearance between the water-cooling copper cover and the bottom electrode was calculated and the electromagnetic force equations of the bottom electrode in the axial and radial direction were deduced when electrification started.

推导了考虑水冷铜套和电极之间空气隙影响的等效对流换热系数以及通电时的径向和轴向电磁力方程。

When the boiling heat transfer coefficient is almost constant when the evaporating temperature changes.

沸腾换热系数随蒸发温度变化几乎不变。

Determination of Surface Heat Transfer Coefficient for Corrugate Pipe Heat Exchanger with Genetic Algorithm

波纹管换热器表面传热系数的遗传算法分离确定

The amplitude and phase distribution depend on material thermal properties, wall thickness and local heat transfer coefficient.

利用博里叶变换分析温度基波相位和幅值变化，进而推算壁面的局部换热系数。

The average heat transfer coefficient of impingement target surface is the highest on the same Reynolds number by the direct impingement.

靶面受到冲击孔射流的直接冲击，因此换热最强；

It is found that heat transfer coefficient increases with fin height, while flow resistance varies as concave curve, that is to say, the resistance reaches the lowest value at a middle fin height.

结果表明，随着流道内翅片高度的增大，传热膜系数随之增大，但流阻曲线则呈凹型变化，即在中间高度时流阻达到一最小值。

Heat transfer coefficient rise with evaporating temperature increasing.

蒸发温度越高，换热系数越高。

Simultaneously impacts on thermal loads of engine parts result from altitude, the average temperature of gas and the heat transfer coefficient are considered.

本文对起飞工况和最大续航工况下的发动机零件进行了热负荷对比分析，同时考虑了海拔高度、燃气平均温度和换热系数对发动机零件的热负荷影响。

The main parameter of heat convection process is heat transfer coefficient.

反映对流换热过程特性的主要参数是对流换热系数.

Numerical study on adiabatic wall cooling effectiveness and convective heat transfer coefficient of effusion cooling

致密孔阵气膜冷却绝热温比和对流换热系数的数值研究

The paper analysed the convective heat transfer coefficient of organic heat transfer material heater, takeing a usual thermal medium for example.

以一种常见导热油为例对有机热载体锅炉的对流受热面传热系数进行计算分析。

Measurement of Effective Thermal Conductivity and Wall Individual Heat Transfer Coefficient of Catalysts for Vinyl Acetate Synthesis

乙烯基乙酸酯合成催化剂的有效导热系数和壁给热系数测定

Measuring local heat transfer coefficient by infrared thermal wave imaging

红外热波成像法测量薄板局部换热系数

It is found that some experimental research on convective heat transfer using gases was probably in the regime having velocity slip and temperature jump, which cause the frictionfactor and heat transfer coefficient to decrease.

发现有些用气体所做的实验研究，很有可能是处于有速度滑移和温度跳跃的滑流区。速度滑移和温度跳跃致使阻力系数减小、传热减弱。

The heat transfer coefficient of the building envelope, the index of building heat consumption and the index of heating coal consumption after the energy-saving reconstruction meet the requirements of the relevant standards.

节能改造后围护结构传热系数、建筑物耗热量指标、供暖耗煤量指标均符合相关标准的要求。

Influence of Thermal Bridge on Determination of Mean Heat Transfer Coefficient for External Walls

冷桥对墙体平均传热系数的影响

Further more, the empirical formulas about average heat transfer coefficient and pressure drop of the DAE-2 tube and DAEC tube are given in this paper, which can be used to design condensers.

此外，本文给出了DAE－2管和DAEC管平均换热系数及阻力损失的计算关联式，可用于冷凝器设计。