Effect of wall function in numerical study on turbulent impinging jet 紊流冲击射流数学研究中的壁面函数法
Using the two - equation mode and law of the wall to enclose the equations and avoiding the laminar sublayer , accelerating the solution . 5 对计算模型进行了详细的阐述,采用双方程模型和壁面函数法使n - s方程封闭并避开粘性支层,加快求解速度; 5
According to the flow patterns and calculation characteristics for three models , different k - s turbulence models and wall function methods were used 同时,针对三种太阳能烟囱模型的流动和计算特点,选用了不同种类的-湍流模型和壁面函数法进行数值计算。
A numerical study has been carried out to predict mass flow rate , temperature field and velocity field for different models and configurations of solar chimney under steady - state conditions , k - e turbulence models and wall function methods were used 本文使用-湍流模型结合壁面函数法,对稳态条件下,不同模型、不同结构尺寸的太阳能烟囱的通风量、温度场和速度场进行预测。
Numerical simulation on the three - dimensional turbulence flow in the pick - up tube is based on reynolds time - average navier - stokes equations . the k - turbulence - closed model is used in this paper . in the near wall area the standard wall function is used 对集流管的三维粘性紊流模拟计算是建立在雷诺平均的navier - stokes方程的基础上,紊流封闭模型采用目前工程上应用比较广泛的模型,在靠近固壁区采用了标准的壁面函数法。