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- Keywords shear rate thickening;semisolid slurry;rheological model; 剪切速率增稠;半固态合金浆料;流变模型;
- Rheological characterization of this STF confirmed discontinuous shear thickening at a shear rate of approximately 20 s_1 [34]. 流变表征这一因子证实间断剪切增稠在切变率约20 s_1 [ 34 ] 。
- Under the experimental shear rate,the macroscopical rheological behaviors of HAPS show shear thinning and shear thickening. 而在多孔介质中,在低剪切速率下,溶液表现出牛顿流体的特征;
- There exists a distortional flow in slurry at higher shear rate. 药浆存在流动畸变。
- Flow-mediated dilatation response normalized to peak shear rate was significantly lower in migraine patients than in controls, the report indicates. 报告指出,流量介导的肱动脉扩张与标准的高峰速度阶差相比,偏头痛病人扩张流量低于对照组。
- The effects of compatibility and shear rate on size and shape of laminar layers are apparent. 体系相容性和外剪切场对层状平板的尺寸及形状有明显的影响。
- Due to the outstanding shear rate control of the MCR series it is possible to measure a full flow curve with just one revolution of the excentrically rotating sphere. 由于MCR系列精湛的剪切应力控制,只需一个非同心的旋转球体即可测量一个完整的曲线。
- The effective viscosity decreases with the increase of shear rate and temperature, while increases with pressure and foam quality. 其有效粘度随剪切速率、温度的增高而减小,随压力、泡沫质量的增大而增大;
- At low shear rate, the beood of human body perform as Casson fluid, but at high shear rate incline toward Newtonian fluid. 在低剪变率条件下人体血液表现为卡森流体,在高剪变率条件下则趋向于牛顿流体。
- Exerted a sine vibration in parallel direction of melted polymer flow, a characterization formula of meltage shear rate in a capillary was set up. 借助自行研制的恒速型毛细管动态流变实验研究装置,对平行叠加振动条件下聚合物熔体经毛细管的挤出过程进行了分析;
- The shear stress and apparent viscosity of the masterbatch decreased with the increase of the shear rate and temperature. 随着剪切速率的增加,温度升高,剪切应力会降低,母粒的表观黏度也随之降低。
- It was suggested that MBG looked like a Newtonian fluid or a pseudo-plastic fluid under different conditions,and under the shear rate of 52. 结果表明,凉粉草胶溶液在不同的条件下呈牛顿流体或假塑性流体行为,在剪切速率52。
- When the shear rate was high, the cell morphology could be improved by applying a weak vibration, no matter what the foaming system was. 当剪切速率较高时,不论何种发泡体系,施加较弱的振动作用可以改善泡孔的形态;
- Steady shear viscosities for PTT/PBT blends decrease slightly with increasing shear rate, suggesting a slight shear-thinning behavior. PTT/PBT共混物在熔体状态下的稳态剪切粘度随剪切速率的增大而降低,表现为剪切变稀行为。
- The results show that semi-solid ZA12 alloy possesses the thixotropic property, which varies with solid fraction and shear rate. 结果表明半固态ZA12合金具有触变性,其触变性的大小与固相分数和剪切速率有关。
- As the shear rate increased the elongation at break increased and the tensile strength increased at first but decreased finally. 随着剪切速率的提高断裂伸长率增大,拉伸强度先增加后有所下降;
- This paper presents the working principle, structure, characteristics of viscometer at a high shear rate of drilling fluid. 介绍了钻井液高剪切速率下粘度测试仪的工作原理、结构、特点。
- The Newtonian PDMS turned to pseudoplastic at low shear rate region and the activation flow energy of compounding system was smaller than pure PDMS because of addition of filler. 牛顿型的PDMS基体中加入粉体后体系的粘度增加且在低剪切区出现假塑性,粉体的加入具有使体系的粘流活化能降低的趋势。
- A high rate thickener which can produce underflow containing 70% solid and its application was described in this article. 本文叙述了一种底流浓度可达70%25以上的高效浓密机及其应用。
- In order to solve this problem,To apply modern dehydrated technology and to separate fluid and solid,we can study high rate thickener purposeful. 针对普通浓密机占地面积大、处理微细物料效率低的实际情况,应用现代脱水工艺技术和液固分离新方法,有针对性地开展高效浓密机的研究。