eddy viscosity meaning in Chinese
湍流粘度
湍流粘滞性
涡动粘度
涡动粘性
涡动粘滞度3
涡脸度
涡脸性
涡流粘度
涡流粘滞度
涡旋黏度
涡粘性
漩涡黏性
Examples
- Annual cycle of the vertical eddy viscosity in the bohai sea
渤海垂直湍流混合强度季节变化的数值模拟 - Coefficient of eddy viscosity
湍脸性系数 - We studied four eddy viscosity models ( evm ) and three nonlinear easm models in detail . the two - equation turbulence models are validated through simulating the flow fields over flat plate , airfoils and onera m6 wing . the capabilities of different turbulence models are accessed in this study
加入两方程湍流模型后，通过对平板、翼型、 oneram6机翼等绕流流场的数值计算，验证了加入的各湍流模型的准确性，测试了它们对不同湍流流场的预测能力。 - For the present two les models , adopting the subgrid eddy viscosity concept and introducing the transport equation of turbulence energy k , the subgrid scale turbulence is parameterized by the turbulence energy k and the length scale of turbulence / ( k - 1 model ) . in addition , vegetation is considered as an internal source of resistant force and turbulence energy
在应用大涡模拟方法求解数值计算模型控制方程时，亚网格雷诺应力项沿用了亚网格涡粘性系数思路，引入亚网格紊流脉动动能k的输运方程，建立了关于亚网格紊流脉动动能k和紊流特征长度l的k - l模型求解。 - Based on prandtl ' s momentum transportation , this paper calculates in detail the physical quantities such as eddy viscosities , and ratio of eddy viscosity to motion viscosity , total stresses with respect to relative position in three regions of viscous sub - layer , buffer layer , and main turbulent stream for non - newtonian fluid flowing turbulently in ducts , which according to karman ' s three layer models and measurement of fluid parameters in evaluation apparatus , discusses the influence of polymer drag reduction on flowing properties of non - newton fluid , analyzes quantitatively principle of turbulent reduction phenomenon and condition of increasing reduction rate
摘要以普兰德动量传递理论为基础，按照卡门的三层模型，通过室内模拟环道用0号柴油及加入减阻剂在圆管内的流动参数的测定，计算了非牛顿型流体管内湍流边界层的层流内层、过渡层、湍流中心的涡流粘度，涡流粘度与运动粘度比、总应力随相对位置的变化等定量参数，探讨了高分子减阻剂对非牛顿流体流动特性的影响，对湍流减阻现象的机理与增大减阻率的条件进行了定量分析。