The improved delayed detached eddy simulation method with shear stress transport model
was used to analyze the evolution of vortex structure, velocity and pressure fields of swirling …

The fluid stress or flow-induced vibration of annular gap flow always has some influence on
the stable working conditions of a hydraulic machine. A time-averaged analysis of flow may …

To improve hydrodynamic stability in a combustor, an unsteady flow analysis method is
needed. Hence, the proper orthogonal decomposition (POD) method based on a large eddy …

采用改进的分离涡模拟方法配合剪应力输运模型分析旋转射流涡结构, 速度, 压力的演化过程,
探索喷嘴压降对大涡结构发展和湍流脉动波动的影响规律. 研究结果: 射流涡结构的发展可划分 …

运用超大涡模拟(VLES) 方法对燃烧室冷态流场开展了数值模拟, 研究流场中大尺度涡旋结构.
选取圆管内有旋流动为基准算例开展数值模拟研究, 与实验结果的比较验证了VLES 方法的精度 …

The large-eddy simulation (LES) method was used to compare the premixed combustion
characteristics of high and low swirls, and the flame stability mechanism of low swirl was …

旋转管式分离设备的主分离段一般为变径管结构, 针对其内部螺旋流的研究主要集中在平均统计
量的分布规律上, 缺乏从流动结构角度的描述. 本文采用大涡模拟方法对不同旋转条件下变径 …