根据牛顿流体模型和宾汉流体模型,对电流变液阻尼器进行了理论分析研究。
According to the model of Newton fluid and Bingham fluid, analyze and research performances of Electrorheologic damper.
文中用带屈服应力的假塑性流体描述驱替液性质,用宾汉流体描述原油性质。
The displacing fluid of power law fluid with yield stress and displaced fluid of Bingham are used to illustrate these effects.
和牛顿流体一样,宾汉流体的雷诺数超过一定值后,其流动将从层流向紊流过渡。
When the Reynolds number for Bingham fluid is larger than a certain value, the flow will transfer from the laminar state to the turbulent state as Newtonian flow does.
提出了牛顿流体与宾汉流体在该偏心环空中流动的流场解析解及幂律流体流场的数值解。
The analytic solution for flowing field and the numerical solution for power law flow field of Newtonian and Bingham fluids flowing in eccentric annulus ale proposed.
本文应用流体力学中的运动微分方程,建立了宾汉流体在倾斜偏心环空中的层流流动模型。
Using the differential motion equation in fluid mechanics, this paper developed the flow models of the laminar flow of Bingham's fluid in an inclined eccentric annulus.
在调研了大量关于宾汉流体偏心环状管流的文献之后,发现大都是近似计算而不具有普适性。
Computation of eccentric annular flowing on Bingham-fluid in pipe is approximate in many literatures and is not of universality.
本文全面地研究了幂律流体和宾汉流体在偏心环空中层流螺旋流的流动规律与流动状态的判别。
This paper studies the flow law of the laminar helical flow of the power law fluid and Billgham fluid in eccentric annular space and the determination of the flow state.
随着塑性粘度的增加,宾汉流体和颗粒相的主流速度分布出现了与屈服应力带来的影响的相反趋势。
With the increasing of the yield stress, the velocities of Binghamand particle decrease, but with the increasing of the plastic viscosity, the velocities of Binghamand particle increase.
将稠油视为宾汉流体,推导了宾汉流体在非稳态状况时地层孔隙中的压力分布数学模型,并求得了数值解。
Assuming heavy oil as Bingham fluid, a mathematic model of non-steady pressure distribution of Bingham fluid in formation pores is derived, and its numerical solution is obtained.
对水平井段偏心环空中幂律流体和宾汉流体轴向流层流流场作了理论分析。 把偏心环空视作变外径的同心环空。
The theoretical analysis of flow properties of power-law fluids and Bingham fluids in the eccentric annuli of horizontal section of wells is made.
本文分析了有关宾汉流体的计算及湍流两相流的现状,选择纸浆纤维悬浮液的研究模型,对其数值模拟进行了初探。
This paper discussed the computational condition of Bingham fluid and the development of two-phase turbulent model, chose a model of pulp fibre suspensions, approached the scheme of the simulation.
基于其启动压力梯度,推导出了宾汉流体的运动半径和运动边界压力求取公式在此基础上推导出了垂直井在稳态状态下的产能预测公式。
Moving radius and moving boundary pressure are derived based on its star-tup pressure gradient. Productivity of vertical wells is derived on the above three parameters.
对带颗粒的宾汉流体的两相流流动与液固两相流流动做了比较,宾汉流体的两相流流动的两相速度比液固两相流流动的两相速度的分布平坦。
Compared the two-phase flow of Bingham-solid with liquid-solid, it is found that the velocity of Bingham-solid is flatter than that of liquid-solid.
对于宾汉型塑性流体模型,得到了计算驱动压力的显式计算公式,据此可进行污泥泵型选择。
For Bingham type plastic fluid modal, the explicit formula for calculating the pumping pressure is obtained, which can be used to choose the pump type.
根据旋转粘度计设计原理导出幂律、宾汉、卡森等非牛顿流体流变性测试结果的修正系数。
The revised coefficients of rheology survey data on power-law, Bingham and Cas-son fluids are produced on the principle of rheometer.
宾汉极限切应力是描述非牛顿体流变特性的一个重要参数,由于流体中泥沙颗粒之间作用的复杂性,使得宾汉极限切应力的理论分析还不完善,其解析计算也较繁琐。
As the role between the sands is so complex, the theoretical analysis of the Bingham yield stress has not been so perfect, and the analyzed calculation was much multitudinous.
宾汉极限切应力是描述非牛顿体流变特性的一个重要参数,由于流体中泥沙颗粒之间作用的复杂性,使得宾汉极限切应力的理论分析还不完善,其解析计算也较繁琐。
As the role between the sands is so complex, the theoretical analysis of the Bingham yield stress has not been so perfect, and the analyzed calculation was much multitudinous.
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