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。
In chapter 2 , an accurate modified reynolds equation is derived . the modified reynolds equation is solved numerically with the finite different method , the generated axial thrust force , minimal mucus film thickness , load capacity of hydrodynamic pressure and circumferential friction under the rectangular screw are obtained . at last , using numeral methods and coordinate graphs , the influences of rectangular screw parameters on the generated axial thrust force , minimal mucus film thickness , load capacity of hydrodynamic pressure and circumferential friction are studied and analyzed 第二章，首先推导了非牛顿流体的变形雷诺方程，化简了雷诺方程，得出了矩形螺纹下有限差分方程；还推出了矩形螺纹作用下轴向摩擦牵引力、粘液膜厚度、粘液膜承载能力、周向摩擦阻力无量纲表达式，最后用数值计算方法求解，通过坐标图分析了矩形螺纹参数对轴向摩擦牵引力、最小粘液膜厚度、粘液膜承载能力、周向摩擦阻力的影响。
Taking into account thermal and non - newtonian effects of the lubricant , this paper has theoretically investigated elastohydrodynamic lubrication of involute spur gears , and achieved the pressure distribution , film shape , temperature distribution and the values of the friction coefficient and its varying law along the line of action of gear transmission 本文在考虑了润滑剂的热效应和非牛顿效应后，对渐开线直齿轮的弹流润滑问题进行了理论研究，获得了齿轮传动的压力分布、温度分布、油膜形状和齿面摩擦系数的取值范围及其沿齿轮传动啮合线的分布规律。
Without external electric field , er fluid shows the mechanic properties of newton fluid , but when the external electric field is applied , er fluid turns from the fluid into the quasi - solid and shows the non - newton mechanic properties because of the interaction among particles . the process is momentary , controllable and revisable 未加外电场时，电流变液呈现牛顿流体力学特性；当加外电场时，颗粒间相互作用导致电流变液呈现非牛顿流体力学特性，由液态转变为准固态，且这一过程是瞬间的、可调控的、可逆的。
The results showed that the soy protein dough was a typical pseudoplastic fluid in the normal processing ranges , and the apparent viscosity decreased with the increase of shear rate and moisture content , and also decreased with the increase of temperature below 120 , and increased with the reduction of temperature above 120 实验结果表明：大豆蛋白质面团呈现很强的非牛顿性，剪切速率、温度和含水率对表观黏度影响显著；表观黏度随剪切速率的增大而减小，随含水率的增大而减小，温度低于120时，随温度的升高而减小，温度高于120时，随温度的升高而增大。
According to non - newtonian fluid mechanics theory and mathematical method , conbined with plunger moving property , the hypothesize fluid is imcompressive , hydraulic radius of flow of liquid in crevice is very little , and it is laminar flow , the flow is treated fixed continuous flow at every instant position of plunger , equation of motion and boundary condition were set up in condition of concentric and eccentric of pump barrel and plunger 运用非牛顿流体力学理论和数理方法，结合抽油泵柱塞运动特点，假设液体为不可压缩的，液体在缝隙中流动的水力半径很小，呈层流流动，柱塞在每一位置的瞬间，流动做定常流处理，建立了泵筒与柱塞同心和偏心两种情况下运动方程和边界条件，引入无量纲坐标、无量纲速度和柱塞与泵筒偏心配合时的缝隙高度，并给出缝隙流流速、流量的解析解。
This paper researches the following questions : ( 1 ) testing rheology behavious of a kind of sample of the nuv cement slurry , which is solid - liquid suspension non - ncwtonian fluid . ( 2 ) getting the relation between the water content and the rheology behavious , and to obtain the singnificant formula in designing the revolving detector 本论文以水泥生料浆为例研究了以下几个方面的问题： ( 1 )非牛顿流体?料浆的流变特性， ( 2 )料浆的水分含量与流变特性之间的关系，得出对设计旋转式料浆水分检测头有意义的计算公式。
In order to study the stability of non - newtonian fluid and its flow pattern discrimination method , the integral stability theory and local stability theory are applied to the concentric annulus flowing of plastic fluid and power - law fluid , then a relevant stability parameter expression of discriminating flow pattern is derived and set up in the paper 摘要针对非牛顿流体的稳定性问题及其流态判别的研究，将整体稳定性理论及局部稳定性理论应用于塑性流体和幂律流体在同心环空的流动中，建立和推导出相对应的判别流动状态的稳定性参数表达式。
In this paper , blow - up estimates for a class of quasilinear reaction - diffusion equations ( non - newtonian filtration equations ) in term of the nonexistence result for quasilinear ordinary differential equations are established to extends the result for semilinear reaction - diffusion equations ( newtonian filtration equations ) 摘要本文利用拟线性常微分方程解的非存在性定理得到了一类拟线性反应扩散方程（非牛顿渗流方程）爆破界的估计，从而推广了半线性反应扩散方程（牛顿渗流方程）相应结果。
