同时,对直圆管内宾汉流体屈服应力和塑性粘度对湍流流动的影响进行了探讨。
We performed numericai computations of Bingham fluid turbulent flow in a straight circular pipe. The conclusions are as …
常温时压力对表观粘度和塑性粘度影响很大,但随着温度升高,压力的作用逐渐减小。
The effect of pressure on the apparent viscosity and plastic viscosity is considerable at ambient temperature. However, this effect is reduced gradually with the increase in temperature.
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.
所研究的水泥浆配方体系具有:可流动时间长、沉降轻微、塑性粘度和屈服值小及凝固后具有较高的抗压强度等特性。
The formulation system is of the characteristics of long mobile time, light settling, small plastic viscosity and yield value, higher compression strength etc.
实验结果表明,使用性能良好的锭模耐火涂料在低剪切条件下,应具有较大的表现粘度与屈服应力,以及较小的塑性粘度和适当的触变性。
The results show that the coatings with good application properties have larger apparent viscosity , higher yield stress , lower plastic viscosity and proper thixotropy at lower shear rate.
通过测定不同新拌水泥浆体的剪切应力、屈服应力、塑性粘度等流变参数,绘制流变曲线,分析含不同高效减水剂的新拌水泥浆体的触变性。
Mapping rheogram and analyzing thixotropy of fresh cement paste with different superplasticizers by measuring the rheologic parameters such as shearing stress, yield stress and plastic viscosity.
研究塑解剂B对nr门尼粘度、塑性和热老化性能的影响。
The influence of peptizer B on Mooney viscosity, plasticity and heat aging property of NR was investigated.
然而,此聚合物的假塑性不如低密度聚乙烯好,因此在加工时的熔体粘度较高。
However, the polymers are less pseudoplastic than LDPE, so melt viscosities are higher during processing.
表观粘度测定显示辛烯基琥珀酸淀粉酯具有剪切变稀现象,属于假塑性流体,表观黏度随着温度升高而下降。
The phenomenon of increasing shear force, and decreasing apparent viscosity, showed that it was a kind of Pseudo plastic Fluid. As the temperature increased, the apparent viscosity decreased.
处于最佳分散状态的白色颜料分散液是一种假塑性流体,分散液粘度和剪切速率及分散液固含量三者关系可用函数式表达。
The pigment in this state exists as a pseudo-plastic fluid, whose viscosity, shear rate and solid contents can be related through a functional expression.
当物系为中等粘度假塑性流体时,混合速率由桨叶泵送流动的流量和形态所决定;
Change in viscosity of test fluids alters principally pumping flow of impeller and therefore influences bulk mixing.
豆渣水溶性膳食纤维溶液粘度随剪切速率的增加而降低,呈现假塑性流体。
The solution of SDF from soybean dregs were pseudoplastic fluid which viscosity decreased with the increasing of shear rate.
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.
讨论了影响苯乙烯系热塑性弹性体SDS(包括SBS、SIS)的甲苯溶液粘度的有关因素。
In this thesis the relationship between structure parameters of styrenic thermoplastic elastomer SDS (SBS, SIS) and its toluene solution viscosity was discussed.
结果表明,浆体为屈服假塑性流体并具有触变性,屈服应力值和粘度随着温度升高、浓度的降低而减小。
The ZGG solution behaved as pseudoplastic fluids-the decrease in reduced viscosity with increasing shearing-velocity, and had considerably thixotropic response.
大米淀粉糊为假塑性流体,经微波加热的淀粉糊的粘度系数较大,而流变指数较小,表明微波加热的淀粉糊的粘稠性和柔软性较大。
Rice starch paste is pseudoplastic. The consistency coefficient of starch paste prepared by microwave is higher, but flow behavior index was lower, which shows its stickiness and softness are higher.
热塑性聚酯弹性体设计用于吹塑或处理技术要求高熔体粘度。
A thermoplastic polyester elastomer designed for blow molding or processing techniques requiring high melt viscosity.
热塑性聚酯弹性体设计用于吹塑或处理技术要求高熔体粘度。
A thermoplastic polyester elastomer designed for blow molding or processing techniques requiring high melt viscosity.
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