1) non-Newtonian index
非牛顿指数
1.
PA 1212 melt belonged to pseudoplastic fluid whose non-Newtonian index was decreased and the pseudoplasticity was declined while elevating the temperature.
PA1212熔体流动行为为假塑性流动,随着温度的升高,非牛顿指数下降,假塑性减弱。
2.
The non-Newtonian index of solu- tion varies from 0.
研究了羟乙基甲壳素水溶液在不同温度、不同浓度和不同醚化度下的流变特性,结果表明羟乙基甲壳素水溶液为非牛顿流体,非牛顿指数在0。
3.
The temperature and shearing rate dependence of the apparent viscosity(η a), the non-Newtonian index(n), the structure viscosity index(Δn), as well as the apparent activation energy(ΔE) of viscose flow are discussed.
笔者应用毛细管流变仪研究了自制熔纺氨纶切片的流变行为 ,探讨了熔体表现粘度、非牛顿指数、结构粘度指数、表观粘流活化能等流变特性与温度及剪切速率的关系。
2) non-Newton index
非牛顿指数
1.
Extrusion expansion ratio and non-Newton index were calculated.
利用恒速式毛细管流变仪研究了(丙烯腈/丁二烯/苯乙烯)共聚物(ABS)的流变性能,并测试计算了挤出膨胀比和非牛顿指数。
2.
The result showed that the low melting point copolyester was a tipical pseudoplastic fluids,the shear viscosity of copolyester declined and the non-Newton index increased with the increasing of temperature.
结果显示:低熔点共聚酯是典型的假塑性流体,随着温度升高,剪切黏度下降,非牛顿指数增大;随着剪切速率的增大,低熔点共聚酯黏流活化能降低。
3.
The results show that the shear viscosity of WSP declines and the non-Newton index increases with rising of the temperature.
结果显示,随着温度升高,WSP剪切黏度下降,非牛顿指数增大;相同温度和相同剪切速率下WSP的剪切黏度比PET大;WSP的剪切黏度随剪切速率的变化较PET更敏感,随着剪切速率的增大WSP的黏流活化能显著降低。
3) non-Newtonian exponent
非牛顿指数
1.
The influences of shear rates and temperatures on apparent melt viscosity(ηa),non-Newtonian exponent(n),and flow activation energy(Eη) were investigated and discussed.
计算了这种聚乙烯树脂的粘流活化能和非牛顿指数,给出了二者与剪切速率的定量方程,考察了温度对其流变性能的影响,为这种树脂的加工提供了基础数据。
4) flow-behavior index
非牛顿性指数
5) non-Newtonian parameter
非牛顿参数
6) non-Newtonian
非牛顿
1.
Comparison of bubble formation in Newtonian and non-Newtonian fluids;
牛顿及非牛顿流体中的气泡生成与对比
2.
The waviness were given by sinusoidal functions,and the non-Newtonian flow of the lubricant was described by the Ree-Eyring model.
卷吸速度沿接触区短半轴方向,表面粗糙纹理以正弦函数来表征,润滑剂符合Ree-Eyring非牛顿流体粘性定律。
3.
Thus a mathematical model for the isothermal EHL with non-Newtonian lubrication of the elliptical contact was proposed, by taking into account the two surface velocities in the same and opposite directions or each at an arbitrary angle to the minor axis of the contact ellipse.
提出了一种简单易行的方法用于进行两表面速度均为任意方向的等温点接触弹流润滑分析;建立了等温非牛顿椭圆接触弹流润滑的数学模型,综合考虑了两表面速度同向、反向及不共线且与椭圆短轴成一定角度的工况,并得到了两表面速度均为任意方向的等温数值解。
补充资料：非牛顿性指数
分子式：
CAS号：
性质：又称非牛顿性指数。描述流体流动行为与牛顿流体流动行为之间差异的指数。一般用来表征流体流动行为即剪切应力(τ)与剪切速率()间的依赖关系，可用幂律方程表示：τ=Kn式中K为常数，n为流动行为指数。当n<1，为非牛顿流体中的假塑性流体；n>1，为非牛顿流体的膨胀型流体；n=1，则为牛顿流体。
CAS号：
性质：又称非牛顿性指数。描述流体流动行为与牛顿流体流动行为之间差异的指数。一般用来表征流体流动行为即剪切应力(τ)与剪切速率()间的依赖关系，可用幂律方程表示：τ=Kn式中K为常数，n为流动行为指数。当n<1，为非牛顿流体中的假塑性流体；n>1，为非牛顿流体的膨胀型流体；n=1，则为牛顿流体。
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参考词条