采用三维不可压紊流的连续方程与动量方程和紊动能与耗散率方程对内部流场进行研究计算。
The flow characteristics of inner flow field of turbine are computed with three-dimension incompressible continuous equation, momentum equation and turbulent kinetic-dissipation equation.
根据能量耗散率与剪切率的关系,采用体积平均能量耗散率计算环空管流的平均剪切率,以此来评价环空管流的剪切作用。
According to the relationship between energy dissipation rate and shear rate, average shear rate to evaluate the shear action for annular pipe flow is obtained by using energy dissipation rate.
基于剪切功率的耗散机理,提出了一种计算振动剪切流场中聚合物熔体动态黏度的粘性耗散法,并建立了理论模型。
Based on dissipation mechanism of shearing power, a new method of modeling dynamic viscosity of polymer melts in vibrating shear flows was proposed in this paper.
采用涡耗散概念(EDC)模型,对等离子发生器内三维湍流燃烧流场进行数值模拟。
The eddy-dissipation-concept (EDC) model is used to simulate the three-dimensional combustion process in a plasma generator.
从广延能量耗散的角度看,泥石流暴发的应力演化过程是一种自组织临界过程。
According to energy consumption in broad sense, evolution process of stress in debris flow occurrence is a process of self organization criticality.
颗粒碰撞是快速颗粒流的动量传递,能量传递及耗散的主要机制。
Particle collisions are the main mechanism of the momentum transfer, the energy transfer and the energy dissipation for rapid granular flows.
本文首次从紊动能和紊动耗散率在整个流场的变化规律出发,分析了阶梯的消能机理。
According to the distribution of the turbulence kinetic energy and turbulence dissipation rate in the whole flow field, the mechanism of energy dissipation of stepped spillway is analyzed.
流束存在碰撞时,负能性质改变为负耗散性质。
When the stream is collisional, the negative energy nature changes to negative dissipative nature.
本文运用基于颗粒动理学理论的欧拉-欧拉气固多相流模型,考虑颗粒自旋转流动对颗粒碰撞能量交换和耗散的影响,数值模拟流化床内气体颗粒两相流动特性。
Numerical analyses of effect of particle rotation on gas and particles flow behavior were performed using two-fluid flow model combining with the kinetic theory of granular flow.
计算了剪切流场中阿尔文波的传播过程,以及磁层中阿尔文波的耗散。
The propagation process of the Alfven wave in a shear velocity field is calculated, and the dissipation of Alfven waves in the magnetosphere is given.
计算了剪切流场中阿尔文波的传播过程,以及磁层中阿尔文波的耗散。
The propagation process of the Alfven wave in a shear velocity field is calculated, and the dissipation of Alfven waves in the magnetosphere is given.
应用推荐