动力粘度

流体动力粘度对液封液桥内Marangoni对流的影响

Effect of Dynamic Viscosity on Marangoni Convection in Liquid Bridge With Liquid Encapsulation

在陶瓷凝固过程中，NaF通过降低熔体结晶温度和熔体动力粘度而促使陶瓷致密。

During ceramic solidification NaF promotes ceramic densification through reducing crystallization temperature and dynamic viscosity of the melts .

其中流入过滤体的气体流量、气流的动力粘度直接受进气流量、DPF床温、喷油量的影响。

Therein , the quantity of gas flow in filter body , dynamic viscosity of airflow are directly affected by air intake flow , DPF bed temperature , and fuel charge .

通过小波算法完成对聚酯动力粘度信号的分解与重构、突变故障信号的检测和信号噪声的滤除，为后续的CPN双向对传模糊神经网络控制器做了数据准备。

The decomposition and reconstruction of viscosity signals , detection of singularity and fault signals and the filtering of white noise are accomplished using wavelet analysis tools , which prepare data for CPN fuzzy-neural network controller .

引进小波变换分析技术对聚酯动力粘度进行数据处理和过程参数识别，通过对CPN双向对传模糊神经元网络的深入研究，设计了拟人智能控制器，实现根据过程参数曲线变化趋势的拟人实时智能控制。

Wavelet analysis tools are introduced to carry on data processing and identifying process parameters . Base on further research of CPN fuzzy-neural network , an anthropomorphic intelligent controller is designed to implement real-time intelligent control according to the trend of movement of process curves .

在此条件下，漂后竹浆白度达到91.26%ISO，聚合度1207，动力粘度15.04mPa·s，α-纤维素含量94.17%，木质素含量0.75%。

The pulp brightness after bleaching can reach 91.26 % ISO with the degree of polymerization of 1207 , the viscosity of 15.04mPa · s and the α - cellulose content of 94.17 % .

用落球式粘度计首次系统测定新疆九区稠油7个馏分油在温度303.15～393.15K和压力0.1～12MPa范围内的动力粘度，共231个数据点。

The dynamic viscosities of 231 data points for 7 petroleum distillates of Xinjiang crude were measured under the pressure from 0.1 to 12.3 MPa in a temperature range of 303.15 to 393.15 K using a falling ball viscometer .

GB/T265-1988石油产品运动粘度测定法和动力粘度计算法

Petroleum products & Determination of kinematic viscosity and calculation of dynamic viscosity

CF-45W/40柴油机油的低温动力粘度考察

Investigation on low-temperature dynamic viscosity of diesel engine oil CF-4 5W / 40

影响多级内燃机油低温动力粘度的主要因素

The main factors influencing low-temperature dynamic viscosity of multigrade internal combustion engine oil

石油沥青60℃动力粘度测定影响因素的探讨

Discussion On Factors Effecting Determination Of Kinetic Viscosity Of Asphalt at 60 ℃

以旋转粘度计测定动力粘度；

Determination of kinetic viscosity with rotating viscometer ;

计算结果说明该方法可以对混合制冷剂动力粘度进行有效计算。

The results show that this method is effective on the calculation of kinetic viscosity of mixed refrigerant .

随着温度的降低，镁合金熔体的动力粘度逐步增加，并且在963K处降低；

Dynamic viscosity of magnesium alloy melt was increased gradually with the decrease of the temperature and dropped at 963 K ;

探讨了剪切速率对动力粘度的影响，以及聚丙烯酰胺分子量和溶液浓度对动力粘度的影响。

The effects of shearing rate and molecular weight of PAM and the concentration of PAM solution on kinematic viscosity were discussed .

随着温度的降低，3种生物柴油的动力粘度快速增加，是使生物柴油丧失低温流动性的主要原因。

With the temperature dropped , the dynamical viscosity increased so quickly that biodiesel and its blending oil lost the low temperature fluidity .

结果表明，动力粘度随着温度的升高而降低，成指数型分布。

The results showed that kinetic viscosity of MDEA solutions decreased with the increase of temperature , the temperature-viscosity curves accords exponential distribution .

通过计算马赫数、有效粘度和动力粘度之比，认为等离子体电弧处于层流不可压缩状态。

The PAW arc can be dealt in a laminar incompressible state judged by the Mach number and the ratio of effective viscosity and dynamic viscosity .

再以磁流变液为介质进行力学特性实验，在实验基础上，建立了磁流变液的特征参数（动力粘度系数η、屈服应力τy）随电流值变化的函数关系式。

The function of the characteristic parameters ( dynamics viscosity coefficient η, yield stress τ y ) of the MR fluid and current was carried out based on experiment .

根据上述场量，结合铝型材热挤压的本构方程，进行动力粘度的迭代与刷新；

Temperature and equivalent strain rate fields calculated according to velocity field are used to update the dynamic viscosity coefficient associated with the constitutive equations for hot extrusion of aluminum profile .

70℃动力粘度比对长期老化敏感，可以表征两种沥青的抗长期老化性能的优劣。

Dynamic viscosity ratio at 70 ℃ is sensitive in long term aging , which can be used to characterize the anti-aging performance of the two asphalts in long term aging .

本次研究涉及的相关热物性参数主要包括导热系数、比热容、动力粘度系数及密度，以所给定的两种载冷剂（甲醇和丙二醇）为研究对象。

In this paper , the research focuses on several thermodynamic parameters including thermal conductivity , specific heat capacity , dynamic viscosity and density and two coolants of methanol and propylene glycol .

由动力粘度产生的力矩可以通过简单的方法进行计算，由摩擦产生的力矩可以通过实验测得，而由磁场产生的力矩则要通过电磁场的有限元分析得到。

The viscous torque can be calculated by a simple method and the frictional torque can be obtained by experiments . The torque dependent on the magnetic field is obtained by electromagnetic finite element analysis .

结果表明：影响油品低温动力粘度的主要因素是基础油、粘度指数改进剂及功能添加剂，其中基础油的影响最大。

The result shows : the main factors influencing low-temperature dynamic viscosity of oil products are base oil , viscosity index improver and functional additive , among which the base oil has the biggest influence .

以压力、温度、比容（或密度）、焓、熵、内能中任意两个作为输入参量，可以计算其余热力参量、热导率以及动力粘度等输运性质。

Arbitrarily selecting two property parameters among pressure , temperature , specific volume ( or density ), entropy , enthalpy and internal energy as the input variables , the rest , the thermal conductivity and viscosity could be calculated .

同时，利用表面粗糙度概念建立最小油膜厚度判别式，为修正宽径比和选择合理的润滑油动力粘度提供依据。

In the meantime , to set up the discriminant of minimum oil film thickness by utilizing the concept of surface roughness , thus provided basis for modifying the width-diameter ratio and selecting the reasonable dynamic viscosity of lubricant .

然后分别对不同的电压幅值、频率载荷、不同的壁面粗糙度以及不同的流体动力粘度做流固耦合分析。

Then did fluid-solid coupling analysis of the different voltage amplitude , different frequency load , different surface roughness and different fluid dynamic viscosity , got some useful conclusions through the results of post-processing data include streamline , velocity analysis .

此条件下制取的生物柴油有如下特性：密度为0.873g/mL，动力粘度（25℃）为6.72g/cm/s，十六烷值为49，热值为39.46MJ/kg。均与矿物柴油相当。

The biodiesel from the corn oil has the following characteristics : density 0.873g / ml , dynamic viscosity 6.72g / cm / s ( 25 ℃), cetane indices 49 , calorific value 39.46MJ / kg , which are similar to fossil diesel oil .

本文利用小波变换不但能提取信号和噪声在多尺度分辨空间中的波形特征，而且根据表征该特征的小波系数的模极大值的不同的传播特性来实现对聚酯动力粘度信号的波形检测。

In this paper , wavelet analysis tools are used to draw different character of signal and noise in multiresolution space , and also according to the different spread characteristic of the maxims of wavelet coefficient , the detection of patterns of viscosity signal of PET process is carried on .

本文对十几年来高分子稀溶液减阻机理的研究情况从实验与理论两方面进行了综述，并着重分析了溶液中大分子的动力形态及拉伸粘度等问题。

A comprehensive review is given to the developments during the last ten years in research on mechanism of drag reduction of dilute polymer solutions in the paper .