本文介绍利用双镜干涉仪测量对流传热边界层中二维温度分布的方法。
By means of a double mirror interferometry a two-dimensional temperature distribution measurement in convective heat boundary layers is presented.
各种操作条件只有影响到管程的温度边界层或壳程的冷凝液膜层和气-汽扩散层,才能强化或恶化传热过程。
When various manipulations disturb the thermal boundary layer inside or the condensate film and gas-vapor diffusion layer outside, the heat transfer effect will be better or be worse off.
结果表明:理想流体的对流传热与黏性流体同样存在着热边界层。
It is shown that there exists a thermal boundary layer for the convective heat transfer of ideal fluids also, similar to that for viscous fluid.
对光滑圆管与粗糙管内的湍流流动及传热边界层进行了分析,通过实验比较了三种不同肋高1。
The relationship between heat transfer performance and Reynolds number in three C-D tubes having different rib heights 1.
本文依据湍流边界层拟序结构理论的基础,研究湍流反馈控制模式,在湍流流场中输入控制,达到强化传热的目的。
The article is based on coherent structures of turbulent boundary layer theory, studies the feedback control model of turbulence, and inputs control system to get the enhancement of heat transfer.
边界层转捩流动的特征参数明显不同于层流或湍流,转捩流动的这些特征直接影响着流体的动力、传热特性。
The characteristic parameters of fluid during the transition in boundary layer are obviously different from that of the laminar flow or the turbulent flow.
本发明加强了烟气旋流边界层的扰动和混合,使烟气的传热性能增强;
It speeds up the stirring and mixing of the swirling boundary layer of the smokes to improve the heat conductivity of smokes.
在利用热边界层减阻的电加热管道中,为了计算管道加热的热流量,除了热边界层流动的流体传热外,还需考虑整个管道的热损失。
The many kinds of heat losses of fluid flow on the temperature boundary layer in pipeline are a part of the total heat flux.
实验还考察了料液温度和流率对膜通量及热效率的影响,利用膜及膜两侧边界层内传热传质理论对此进行了分析讨论。
The influence of operating conditions on mass transport rate and evaporation efficiency was discussed by applying traditional mass and heat transfer theories to membrane.
以传热学边界层湍流对流换热理论为理论基础,利用实测数据建立城市不透水表面对流换热的数学模型。
Based on the boundary layer turbulence convective heat transfer theory in heat transfer, we establish the mathematical model of convective heat transfer on the urban waterproof surface.
以传热学边界层湍流对流换热理论为理论基础,利用实测数据建立城市不透水表面对流换热的数学模型。
Based on the boundary layer turbulence convective heat transfer theory in heat transfer, we establish the mathematical model of convective heat transfer on the urban waterproof surface.
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