采用广义牛顿粘度公式,得到了振动力场作用下的异向双螺杆挤出机螺棱侧间隙内的速度分布近似解析解。
The approximate analytical solution of the velocity distribution in the side gap of the counter-rotating twin screw extruder is obtained by means of the generalized Newtonian viscosity.
油基泥浆中原油是牛顿流体,它的粘度在恒温槽中用毛细玻璃管依照API规定步骤测出。
The viscosity of base oils for oil muds, which are Newtonian fluids, is measured using a glass capillary tube in a thermostatic bath, when performed according to API procedures.
粘滞度是血流最重要的性质之一,血液是非牛顿流体,血液的粘度随着切变率的变化而变化。
The viscosity is one of the most important flow properties of blood, the blood is a non-Newtonian fluid. the viscosity of blood is change with the shear rate changes.
利用高压毛细管流变仪对SEBS和TPU的流变性能进行了研究。结果表明,SEBS熔体流动表现为非牛顿性,粘度随剪切速率增加而降低。
The rheological results of SEBS and TPU by means of high pressure capillary indicates that SEBS is non-Newton fluid, the viscosity decreases when the shear rate increases.
非牛顿流体在地层中的粘度是一个随剪切速率变化而改变的非常数,反映在不稳定压力响应特性上表现出与牛顿流大不相同的特征。
Non-Newtonian fluid viscosity in the formation of a shear rate of change with variable, stress response reflected in the instability shown by different characteristics of Newtonian flow.
球磨时间越长的样品,其糊的表观粘度越低,越偏近牛顿流体,触变性和剪切稀化也越低。
The apparent viscosity of the pastes was decreasing as the milled-time was getting longer, resembled Newtonian fluid in shear-thinning nature and low thixotropy.
当施加压力时,牛顿流体就立即流动,而它们的粘度保持不变。
Newtonian fluids immediately flow when pressure is applied and their viscosities are constant.
随着非牛顿剪切速率的增加,PP及其共混物的熔体粘度明显下降,表现出剪切变稀现象,呈现假塑性流体的流动特征。
As the non-newtonian shear rate increasing, the melt viscosity of the PP and their blends were decreased, and behave shear thinning, show the Pseudo-plastic fluid features.
随着非牛顿剪切速率的增加,PA 6及其共混物的熔体粘度明显下降,表现出剪切变稀现象,呈现假塑性流体的流动特征。
As the non-newtonian shear rate increasing, the melt viscosity of the PA6 and their blends were decreased, and behave shear thinning, show the Pseudo-plastic fluid features.
在试样搅拌时和粘度测定之间的时间数量是很严格的,特别是对于非牛顿体的液体。
The amount of time between sample mixing and viscosity assessment is critical, especially for non-Newtonian liquids.
校验了本所开发的压力毛细管流变仪,用它测量牛顿流体的粘度误差不超过5%。
The calibration of the pressure capillary rheometer developed by our lab is presented. The error of measurements by this rheometer for Newtonian fluids is less than or equal to 5%.
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.
将普通固定转速高温粘度计改造为可调转速,可测出熔体的流动特性,进而能确定熔体是否为牛顿流体。
With a modified high temperature speed adjustable rotational viscometer, flow characteristics test of melt was carried ont. Based on the test vesults, it can be co…
将普通固定转速高温粘度计改造为可调转速,可测出熔体的流动特性,进而能确定熔体是否为牛顿流体。
With a modified high temperature speed adjustable rotational viscometer, flow characteristics test of melt was carried ont. Based on the test vesults, it can be co…
应用推荐