膜系数法根据换热器的几何结构 和流动情况分别计算热流体侧和冷流 体侧的传热膜系数(Film coefficients)， 根据管壁材料和厚度计算传导热阻， 再 结 合 给 定 的 污 垢 热 阻 因 子 (Fouling factor)计算出总传热系数U。
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Oil film coefficients 油膜动特性
heat transfer film coefficients 传热膜系数
film coefficients for convection 对流传热系数
film diffusion coefficients 液膜扩散系数
film heat transfer coefficients 膜传热系数
damping coefficients of gas film 气膜阻尼系数
oil-film dynamic coefficients 油膜动态特性系数
oil film dynamic coefficients 轴承油膜动态特性系数
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.
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。
Furthermore, the model can also be used to solve heat exchanger network problems with unequal heat transfer film coefficients and different construction materials.
而且此模型也可以用于求解具有不同传热膜系数和不同换热器材质的网络。
The spreading coefficients of some liquids on the paraffin and gelatin film were measured.
测定了一些液体在石蜡和明胶薄膜上的铺展系数。
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