探讨了对流换热系数的分离方法。
A method for the separation of convection heat exchange factors is explored.
对流换热系数随着颗粒直径的增大而增大。
The coefficient of convection heat transfer increases with increasing the particle diameters.
升力体模型对流换热系数测量不确定度大致为15%左右。
The uncertainty in measured convective heat-transfer coefficient on lifting body model was about 15%.
计算了不同对流换热系数和冷却水温度对晶体温度的影响。
The influences of heat transfer coefficient and cooling water temperature on crystal temperature are computer.
结果表明，混凝土表面对流换热系数与风速基本呈线性关系。
The test results indicate that there is linear relationship between surface convection coefficient of concrete and wind velocity.
同时也获得了多股射流冲击冷却的对流换热系数等值线谱图。
The isograms of heat transfer coefficients of impingement cooling are also obtained.
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。
If the convective heat transfer coefficient is great enough, its rechange has smaller effect on temperature response.
到目前为止建筑墙体外表面对流换热系数还没有得到系统的研究。
So far the convective heat transfer coefficient of the building wall's exterior surface has not been studied systematically.
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 convective heat transfer coefficient(CHTC) of building exterior surface is an important parameter for energy-saving and urban environment simulation.
工作辊与冷却液之间对流换热系数的确定是轧辊温度场分析的难点。
It is usually difficulty to obtain film coefficients between the working roll and the coolant fluid as we solve the temperature field of the roll.
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 influences of convective coefficient and absorbing coefficient on coupled heat transfer are investigated in detail.
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。
An experimental correlation of the averaged heat transfer coefficient on the main surface is formulated.
因为在传热表面两侧对流换热系数相等或接近时传热系数获得较大值。
Because the heat transfer surface on both sides of the convective heat transfer coefficient is equal or close to the heat transfer coefficient for larger values.
本文全面分析了各因素对对流换热系数精度的影响，并进行了定量分析。
The influence of various parameters on the measuring accuracy of the convective heat-transfer coefficient was analyzed quantitatively.
尽量使冷、热水流道内的对流换热系数相等或接近，从而得到最佳的传热效果。
Try to make the cold, hot water flow passage of convection heat transfer coefficient is equal or close to, to get the best heat transfer effect.
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。
Normally, coefficient of convective heat transfer is gotten through experiments which is heating testing tube by electricity and computed through Newton cooling law.
计算得出，由于热流计测头的出现，对流换热系数的变化会给热流测量带来较大误差。
Conclusions can be drawn that changes of the convective heat transfer coefficients can bring error because of the appearance of heat flux sensors.
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。
A important factor affecting heat transfer ability of double metal rolling fin tubes is gas-side heat transfer coefficient.
列车速度提高可以增强车壁的对流换热系数，进而减小辐射的影响，降低壁面综合温度。
Accelerating the train speed will increase convection and cut down the influence of radiation so as to lower the integrated temperature of walls.
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%。
Local convection heat transfer coefficient decreases along the micro-tube by 12.5% for the influence of thermal conductivity of liquid nitrogen.
建立了多孔铝的一维瞬态对流换热模型，采用反演分析方法求得了多孔铝的体积对流换热系数。
The volumetric heat transfer coefficients H_v between porous aluminum and air were measured by developing single-blow transient experimental technique in conjunction with the inversion analysis.
一般通过实验的方法求得，即运用牛顿冷却公式求出管外对流换热系数，进而求得管外努谢尔数。
It is generally obtained by the experimental method, namely using Newton cooling formula to get tube outside heat transfer coefficient, then get the tube outside Nusselt number.
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。
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.
为了建立汽车尾气催化转化器冷启动过程温度场变化的数学模型，必须正确地选取对流换热系数关联式。
To choose the proper correlation for convection coefficient is very important in modeling the temperature field in a cold-start Automotive Catalytic Converter.
当电池表面温度处于相变材料的相变温度 区间时，继续增加材料厚度和对流换热系数散热效果不显著；
When the battery surface temperature is in the phase change temperature range, the cooling effect is not obvious by continuing increasing material thickness and convective heat transfer coefficient.
在10,000 ~ 90,000的高雷诺数范围内，测量了流动摩擦系数、局部和平均对流换热系数。
In high Reynolds number range of 10,000 ~ 90,000, the flow friction factor, local and average convection heat transfer coefficients were determined.
然而，更完善的办法应该是同时再确定换热器冷、热两侧流体的对流换热系数，以便找出问题所在并进行改进。
However, the more consummately method should confirm the convection coefficient of heat-side and cold-side liquid, so as to find out the problem and to ameliorate it.
研究表明，表面对流换热系数15%的不确定量可以导致建筑围护结构预测热流15 ~ 20%的不确定量。
The results show that 15% indefinite quantities of convective heat transfer on the surface can lead to 15 ~ 20% indefinite quantities of building envelopes when estimating heat flux.
该对流换热系数作为双层换气幕墙传热分析的一个关键参数，对考察双层幕墙热工性能、经济性能有着重要作用。
As the key parameter in heat transfer analysis of double skin facade system, the convective heat transfer coefficient is very important in considering energy-efficient and economical performance.
该对流换热系数作为双层换气幕墙传热分析的一个关键参数，对考察双层幕墙热工性能、经济性能有着重要作用。
As the key parameter in heat transfer analysis of double skin facade system, the convective heat transfer coefficient is very important in considering energy-efficient and economical performance.
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