Based on the Reynolds stress model CFD numerical simulation method, both flow mechanism and flow characteristics of dispersed oil phase in oil-water separation hydrocyclone were studied. 采用雷诺应力模型CFD数值模拟方法,对油水分离器内的流动机理和分散油相的流动特点及处理方法进行研究。
A general model for describing density wave instability was put forward considering the Reynolds stress of dispersed phase based on two-fluid model. 以双流体模型为基础,考虑悬浮相所受的雷诺应力,提出了描述气液两相流和液液两相流中密度波不稳定性的通用模型。
Meanwhile, a rule of Reynolds stress, energy of velocity fluctuations and RMS velocity with different Reynolds number is presented along with quantitative formula. 给出了雷诺应力、脉动动能和脉动速度均方根随雷诺数的变化规律,其中雷诺应力、脉动动能给出了定量公式。
The Reynolds stress model was used to simulate the flow field during the filtration and back pulse process in the ceramic filter vessel containing three filters. 用雷诺应力模型模拟了含有三根滤管的过滤器内过滤和反吹的整个过程的流场。
The velocity distribution, Reynolds stress and turbulent kinetic energy distribution of the flow in the lateral intake of rectangular open channel are numerically simulated. 本文是在明渠岸边横向取水口的试验研究基础上的配套数值模拟。