结果表明:粘性耗散与塔架效应是引起尾涡变形的主要原因。
The result shows that viscidity dissipation and tower effect are main reasons of wake eddy distortion.
螺旋泵可用来输送高粘性液体,该过程中由于液体的温度升高而粘度降低,因而其粘性耗散不能忽略。
Screw pumps can be used to highly viscous liquid. Viscous dissipation cannot be neglected during such pumping because it causes the temperature of liquid to rise and its viscosity to decrease.
基于剪切功率的耗散机理,提出了一种计算振动剪切流场中聚合物熔体动态黏度的粘性耗散法,并建立了理论模型。
Based on dissipation mechanism of shearing power, a new method of modeling dynamic viscosity of polymer melts in vibrating shear flows was proposed in this paper.
在此基础上,计算了材料中的粘性耗散功和损伤耗散功,并讨论了加载速率、界面粘结能、基体材料的松弛时间、平均粒径和粒径分散度等对这两种耗散机制的影响。
The effects of loading rate, interfacial adhesive energy, relaxation time of matrix material, average size of particles, and the particle-size dispersity on the energy dissipation are discussed.
采用两层涡粘性模型和速度剖面的指数律导出机械能方程的耗散积分解析表示式。
An analytical expression of dissipation integral for kinetic energy integral equation is derived by two-layer eddy viscosity turbulence model and the power law of the velocity profile.
另外,对于波动耗能,本文研究结果指出粘性、柔性越高,波动传播耗散能力越强。
Moreover, for wave attenuation, This thesis's research results point out as the viscosity or flexibility is higher, the wave attenuation will be stronger.
因此,耗散现象(粘性与热传导)的影响可以忽略不计。
Therefore, the influence of dissipative phenomena (viscosity and thermal conduction) is negligible.
因此,耗散现象(粘性与热传导)的影响可以忽略不计。
Therefore, the influence of dissipative phenomena (viscosity and thermal conduction) is negligible.
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