For turbulent viscosity coefficient, zero equation model is adopted in this paper.
对于紊动粘性系数的计算方法,本文采用零方程模型。
The formula for calculating liquid viscosity coefficient correctly is deduced in detail.
详细推导了正确计算液体粘滞系数的计算公式。
The creep viscosity coefficient is become much smaller, which reveals the characteristics of large creep deformation.
含油泥岩黏滞系数较小,显示出其流动变形大的特点。
Furthermore, the conclusion based on the constant viscosity coefficient is quite different from the density-dependent viscosity one.
另外,常粘性系数的情形与粘性依赖于密度的情形在结论上有很大不同。
The experiment, which USES the method of falling ball to measure viscosity coefficient of liquids, is one of the common physics experiments.
用落球法测定液体的粘滞系数实验是普通物理实验之一。
The viscosity coefficient of pore fluid in saturated sandstone has an obvious effect on theattenuation, modulus, and velocity dispersion in low frequency range.
饱和砂岩中扎隙液体的粘滞系数对饱和砂岩的衰减、模量和速度色散的影响在较低频段是明显的。
The viscosity coefficient of pore fluid in saturated sandstone has an obvious effect on the attenuation, modulus, and velocity dispersion in low frequency range.
饱和砂岩中扎隙液体的粘滞系数对饱和砂岩的衰减、模量和速度色散的影响在较低频段是明显的。
A comparative study on relations for viscosity coefficient of a liquid determined by eddy-canister viscometer is presented and some errors therein are pointed out.
对文献中转筒法测液体黏度的几个关系式进行了比较研究,指出了其中的问题。
Compared with the prior art, the fatty acid salt lubricant has the advantages of good stability, high solid content, low viscosity coefficient, small dosage, and the like.
与现有技术相比,本发明具有稳定性好、固含量高、粘度低、用量少等优点。
The variety of bowknot Angle and dissipative Angle with viscosity coefficient of pore fluid and cyclic loading frequency is consistent with the results of other experiments.
在同一岩石中蝴蝶结张角和耗散角随孔隙液体黏滞系数和加载频率的变化规律与以往其他实验的结果是一致的。
The method for grafting maleic anhydride onto polypropylene resin can obtain the grafted polypropylene resin with relatively high grafting ratio, molecular weight and viscosity coefficient.
本发明的马来酸酐接枝聚丙烯树脂的方法可得到具有较高接枝率、分子量和粘度的接枝聚丙烯树脂。
During form-finding of catenoid, when the viscosity coefficient was not more than0.7, the dynamic relaxation method taking damp into account had good convergence and the nodes distributed more even.
对悬链面找形时发现,当黏性系数不大于0.7时,动力松弛法收敛,网格节点分布较无阻尼时均匀。
The results show that the couple stress fluid flow behavior depends on not only the coefficient of viscosity, but also the material constant responsible for the couple stress parameter.
所得结果表明应力偶流体运动特性不仅依赖于物质粘性常数,而且强烈地依赖于应力偶流体特有的与固体颗粒尺度有关的物性常数。
Sir Isaac Newton was one of the pioneers in investigating viscosity, and on his analysis depends the definition of the coefficient.
艾萨克?顿爵士是研究粘度的先驱者之一,粘性系数就是根据他的分析下的定义。
Viscosity damping coefficient is an important dynamic parameter of diesel engine.
粘性阻尼系数是柴油机调速器的一个重要的动态参数。
Under the same wall heat condition, with the increase of momentum correction coefficient, viscosity loss of the nozzle increases, but thrust and specific impulse decrease.
在同等壁面热条件下,随着动量调节系数的增加,喷管粘性损失增大,喷管的推力和比冲都将下降;
Combined with the theory of viscosity, the relationship between diffusion coefficient and activation energy is expressed.
结合粘度理论建立了分子扩散系数与活化能之间的关系;
Identification of dynamic natural frequencies and viscosity damping coefficient for a large-scale structure in practical working condition is a very difficult problem.
大型构件在实际工作环境中的系统动态固有频率和粘性阻尼系数辨识一直是一个“棘手”的问题。
The increase of liquid viscosity, flow velocity and sedimented bed heights resulted in the increase of axial mixing coefficient.
在所研究的范围内,流体粘度、流速和床层高度的增大都会引起轴向混合系数的增大;
The effect of stiffness constant, viscosity damper coefficient and variable mass on the damped frequency and the relative damping ratio of the system were studied.
研究了系统刚度、粘性阻尼系数尤其是变质量等参数对系统固有频率和阻尼比的影响。
To the problems existing in the experiment of coefficient of viscosity with ND-2 instrument coefficient of viscosity, some improvements on the instrument are given.
针对ND - 2型液体粘滞系数仪测定液体粘滞系数实验中所存在的问题,探索该实验仪器的改进方法。
After that the density, diffusion coefficient, cohesive energy density, freezing point and viscosity of JP-10 and quadricyclane were simulated. The results show good agreements with literature data.
然后对JP-10,四环庚烷进行分子动力学模拟,计算了燃料的密度、扩散系数、内聚能密度、冰点及粘度,模拟结果与文献值基本相符。
Due to the stress, the thick ness of bond water changed, then does the coefficient of viscosity.
压力改变结合水膜厚度,引起粘滞系数改变。
Here we study the coefficient of viscosity in mixed phases, calculate the contributions of two kinds of non-leptonic reactions (the non-leptonic decay of hyperons and quarks).
我们这里研究了混合相物质的体粘滞系数,计算了两类非轻子过程(超子和夸克非轻子衰变)对混合相粘滞性的贡献。
A new multivariate linear model was proposed to associate viscosity and group composition of heavy oil. Multiple correlation coefficient of the model is 0.9885.
提出了一种能对稠油族组成与粘度进行较好关联的多元线性模型,其复相关系数为0.9885。
With the increasing of the viscosity of electrolyte, the diffusion coefficient of I_3 ion decreased rapidly to be a new controlling step in the quasi-solid state dye-sensitized solar cell.
发现随着电解质体系粘度的增加,I_3~-离子扩散系数急剧下降,进而在准固念染料敏化太阳能电池的光电转换过程中形成新的速控步骤I_3~-离子的扩散过程。
Research shows that with the increased CO2 injection, dissolved gas oil ratio, volume expansion coefficient and coefficient increases, viscosity decreases, bound water volume expansion.
研究表明:随着CO2注入量增加,溶解油气比、体积系数和膨胀系数增大,粘度降低,束缚水体积膨胀。
Refrigerator oil having viscosity corresponded to the cross point of refrigerating capacity curve and refrigerating coefficient curve was the optimum product to obtain optimal refrigeration effect.
制冷量与制冷系数变化趋势的交叉点处为压缩机发挥最佳制冷性能的控制点;
The influence of viscosity-pressure coefficient is analyzed.
分析了黏压系数的影响。
Temperature effect to waste liquid coefficient of viscosity and foam safety during potato process;
用旋转粘度计测定液体粘滞系数是目前最为普遍采用的方法 。
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