表面换热系数；
富氧燃烧方式下管壁表面换热系数较空气燃烧方式升高。
Compared with air combustion, the wall surface heat transfer coefficient increased under oxy-fuel combustion.
相同雷诺数的槽板平均表面换热系数是平板的2～3倍，同时减小了流动阻力。
The grooves on the heated surface lowered the flow resistance and enhanced the film heat transfer coefficient 2-3 times that of flat plates.
淬火过程中表面换热系数是反映界面能量传递和介质冷却能力的重要物理参数。
Surface heat transfer coefficient is an important physical parameter which reflects energy transfer of interface and cooling capability of medium.
首次提出了用频率谱分析法分析墙体表面换热过程及推导墙体表面换热系数的实验方法。
This paper first presents an experimental procedure to analyze wall surface heat transfer process and derive wall surface heat transfer coefficient by frequency spectral analysis method.
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。
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。
Makes experiments on heat transfer process I ns ide surface of the south wall of an experiment room.
应用有限元分析软件ANSYS计算了1045钢淬火时具有相变和非线性表面换热系数的温度场。
The temperature field with phase transformation and non-linear surface heat-transfer coefficient of steel 1045 during quenching is calculated with ANSYS program.
用实验和数值计算相结合的方法，得到半圆柱壳体快速冷却过程中内外表面的非线性表面换热系数。
Non linear surface heat transfer coefficient is obtained by experimental and numerical methods and the CCT diagram is simulated by mathematical transformation.
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。
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.
研究表明：在通常室内风速条件下，墙体表面换热系数与风速速率的大小成正比，而风向对墙体表面换热系数的影响不明显。
The results show that the heat transfer coefficient of wall surface is proportional to air velocity under normal airflow velocity, but it is not affected significantly by airflow direction.
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。
Moreover, the variation law of mold surface hardness and interface heat transfer coefficient were studied.
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.
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.
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.
物料加热表面受到对流冷却，并讨论了物料的吸收系数，折射率，导热系数，换热系数，物料表面辐射特性对温度场的影响。
The effects of absorption coefficient, refractive index, heat conductivity, convective heat-transfer coefficient and radiative properties of the surf ace on the temperature field are discussed too.
建立了室内表面对流辐射耦合换热方程，着重讨论了采用表面换热分析法求解表面传热系数以求解壁温的方法。
Applies the method of surface heat transfer analysis to calculating the convective heat transfer coefficient in order to solute the wall temperature.
实验中对不同雷诺数、不同出流比时通道端壁表面的静压分布、压力损失系数、弦向流量分配以及换热系数进行了测量。
Experiment measure static pressure, pressure loss coefficient, flow rate of lateral and heat transfer coefficient of endwall at different re and different lateral-flow ratio (c).
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.
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.
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.
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.
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.
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