The kinetic characters of the material on the slip-stick conveyor are analyzed, and the average slip velocity of the material is obtained. 分析了物料在间歇滑动输送机上运动的特征,得到了物料滑动的平均速度;
Based on the tectonic characteristic of Yanhuai Basin and recent slip velocity of each fault, the future seismic risk of each fault is evaluated with magnitude-time prediction model. 本文从延怀盆地的地质构造特征出发,依据近期各断层的滑动速率,由震级&时间可预测模型,计算了各断层的未来地震危险性。
First order slip velocity and jump temperature boundary conditions are employed to deter-mine the developing flow and heat transfer in the entrance region of a microtube. 基于圆形微通道的能量守恒及热传导方程,在考虑速度滑移和温度跳跃的情况下,利用逆解法得到了一个热充分发展的温度场计算式。
While with the increase of the circulating amount of the system, negative pressure gradient and slip velocity in the standpipe increase too. 而随着系统循环量的增加,立管内的负压差梯度以及滑移速度均增大;
If the average slip velocity is zero, there is no holdup of one phase relative to the other. 如果平均滑移速度为0,也就没有一相对另一相的滞留。
Liquid-solid circulating fluidized bed(ⅱ) studies on the apparent slip velocity and drag coefficient 液固循环流化床的研究(Ⅱ)表观滑落速度及曳力系数
According to1st order slip velocity boundary, Reynolds equation for micro gas journal bearings was given with consideration of effective viscosity under rarefied gas condition. 基于1阶滑移速度边界,考虑到稀薄条件下气体的有效黏度,给出了气体径向微轴承润滑雷诺方程。
It has been found that for the same operating gas velocity and solid flux, the local solid concentration decreases as temperature increases, while the real particle velocity increases and slip velocity between gas and solid phase decreases. 结果表明,在相同的操作气速和颗粒循环量下,随着床温的升高,局部颗粒浓度将减小,真实的颗粒速度将增加,而气固两相间的滑移速度将降低;
A series of friction tests were carried out at different slip velocity, vertical pressure, and temperature, and the test data were fitted and analyzed using a simulation model. 分别在不同滑移速度、压力、温度下针对轮胎胎面胶块与冰面进行了摩擦试验,并对试验结果进行了模型拟合和分析。
Effect of different road surface, ambient temperature, contact pressure and slip velocity on friction coefficient is apprehended. 初步掌握了路面、温度、垂直压力和滑移速度等因素对摩擦因数的影响。
The results show that the gas rarefaction makes the pressure distribution more linear. Both the slip velocity and jump temperature at the inlet and outlet of the microchannel increase with the increase of Kn numbers. 结果表明,由于气体的稀薄性,压力呈现更加线性化减小的趋势,随着Kn的增加,通道入口与出口处的滑移速度和跳跃温度呈现增加的趋势。
Furthermore, the effect of the diameter of conveying tube, the surface stress and viscosity of the conveyed liquid on the characteristic parameters, such as slip velocity S and friction parameter, K, has been discussed in detail. 详尽讨论了提升管管径、输送液体的粘度和表面张力对Parker模型中特征参数K、S的影响。
The test results of particle phase density and mass flux, gas-solid slip velocity, particle size distribution, resident time distribution of particles and particle entrainment were introduced, and influences of some configurational and operational parameters on gas-solid flow behavior in VC cold model were discussed. 介绍了颗粒相密度和质量流率、气固滑移速度、颗粒尺寸分布、颗粒停留时间分布和颗粒被气流夹带的规律的试验结果,并讨论了某些结构和操作参数对气固流动特性的影响。
A non linear tire simulation model of non steady state cornering properties is established based on the unified steady state tire model, associated with the effective slip velocity between tire tread and the road surface. 本文以轮胎与路面之间的滑移速度为出发点,在稳态指数统一模型的基础上,建立了轮胎非稳态转向特性非线性仿真模型。
The predicted results show that the slip velocity near walls made the flow resistance in this microchannel decreases with increasing Kn. 计算结果表明:壁面的速度滑移使流动阻力随Kn数的增加而减小。计算结果表明:微环缝槽道内的摩阻系数随Kn数的增加而减小;
The local slip velocity between gas and solid in the riser of dilute circulating fluidized bed was investigated through the simultaneous measurements of local gas velocity and particle velocity by means of a fiber optic probe Laser Doppler Velocimetry ( LDV). 本研究采用光纤激光多普勒测速仪(LDV),通过两列信号处理系统,同时测定了气体和颗粒局部速度,研究了低密度循环流化床提升管内局部滑落速度的变化规律。
The simulation also show that the averaged velocities of the molecules are largely distributed linearly, but there is a slip velocity at the solid liquid interface. 薄膜中润滑剂分子的平均速度仍大体呈线性分布,但在固液界面和液体层间可以观察到滑移现象;
Put forward formula of elastic slip ratio by quantitative calculation the tape transfer elastic slip velocity. It also discussed the factor affected the elastic slip angle and elastic slip ratio. 从定量分析带传动弹性滑动速度入手,给出弹性滑动率的计算公式,并讨论影响弹性滑动角和弹性滑动率的因素。
The influences of different Kn numbers on the slip velocity and jump temperature are investigated. 比较了不同克努森数Kn对于滑移速度和跳跃温度的影响。
The packer-flow technique improves the velocity of fluid in bore hole, reduces the slip velocity between phrases, changes the mixture degrees of fluid, thus enhancing the quality of measurement and the accuracy of interpretation. 集流测井提高了井筒中流体流速,减小了各相流体间的滑脱速度,改善了流体混合均匀程度,有效地提高了生产测井资料的质量和解释精度。
The two problems of integral model for bubble plumes, i. e. are there self similarity for bubble plumes and the scale of slip velocity of air bubble, are analyzed. 就目前已有的气泡羽流积分模型中的两个问题(即气泡羽流是否存在自相似性和气泡在水体中的滑移速度量级)进行了分析,在应用积分模型时应特别注意。
The distribution of slip displacement, slip velocity and friction force on the strike slip fault were obtained by numerical simulation. 通过数值计算得到了平移断层上滑移位移、速度及摩擦力的分布规律。
For the fist time, a new ideal is put forward that the slip velocity between phases consists of advection velocity and drift velocity. Theoretically, it brings certain possibility for further study of kinetic characteristics of the sediment-laden flow. 首次提出相间滑移速度是由相间对流速度和相间漂移速度所组成的新观点,理论上为深入研究挟沙水流运动规律提供了某种可能性。
According to the figures of minimum circumferential slip velocity with the rotating speed and supply pressure in experiment, the critical shear stresses of sleeve surface and axis surface are obtained for high viscosity lubricant and low viscosity lubricant. 根据实验测得的周向最小滑移速度与转速和供油压力关系曲面,计算出高粘度和低粘度润滑介质时轴瓦和轴表面的极限剪应力,并发现滑移速度随着供油压力的提高而提高。
Flow model is established on the basis of slip velocity existing on the wall and inner velocity field in tubes is simulated on the slip wall and no-slip wall and flow characteristics is analyzed. 根据流动在壁面上产生滑移的特点建立了流动模型,模拟了在滑移壁面与无滑移壁面速度场分布的特点,并对流动的相关特性也进行了考察。
The influence factors in the micro-injection process were analyzed systematically and the micro viscosity model and wall slip velocity model were introduced. 2. 对微注塑成型熔体充填过程中的影响因素进行了系统的分析,并引入了Eringen-Okada微观粘度模型和Rosenbaum-Hatzikiriakos壁面滑移速度模型。
The results show that when liquid flow through the strong hydrophobic channel, there exists obvious slip velocity on the boundary; while the liquid flow through the strong hydrophilic channel, the velocity of liquid near the boundary is nearly keep still. 研究表明,流体在强疏水性通道中流动时,边界处存在明显的滑移速度;而在强亲水性通道中流动时,靠近固壁处的流体几乎不流动,存在边界粘附层。
The results show that either the channel surfaces were hydrophobic or hydrophilic, the slip velocity increases with the augment of external force. 研究表明:无论在疏水性还是亲水性通道,滑移速度均随外力的增大而增大;随通道宽度的减小,减阻率明显增大,显示出表面力在微纳米尺度下对流体流动的影响。
According to the simulation data of slip velocity and adhesion coefficient, a fuzzy model, RV-TS model, is built to describe the adhesion characteristic curve. 通过仿真实验,采集蠕滑速度和粘着系数的数据,利用RV-TS模型对粘着特性曲线进行模糊建模。