查询词典 dynamic friction

Taking the multi-rope friction hoisting as researching object,the theoretical analysis is given out for the dynamic antislip safe coefficient .

以多绳摩擦提升机为研究对象，对其动防滑安全系数进行理论分析，指出影响的因素，并结合实例应用MATLAB语言进行计算机仿真，作定量说明，从而提出增大多绳摩擦提升防滑安全系数的合理措施，对矿井安全生产具有指导性作用。

The dynamic responses of a two-degree-freedom vibration system with dry friction and the routs from periodic motion to ch...

进而利用数值方法对一两自由度干摩擦振动系统的动力学响应进行了分析，得到系统经周期运动失稳通向混沌的道路。

Some conclusions are drawn from the calculating results: when buried pipes cross fault, pipe's embedded depth should be shallow, and big pipe diameter and thick wall should be selected. Avoid the site where fault moves severe, and select suitable pipe-fault angle. Bigger pipe-soil friction coefficient is helpful for buried pipe crossing fault. Under dynamic loading, buried pipe would first damaged in compressive region of bilateral fault, so special treatment should be done to pipe in bilateral fault region.

依据计算结果分析了各因素对地下管道破坏的影响，并得出几点结论：管土摩擦系数较大情况下，管道破坏较轻；地下管道在穿越断层时，管道宜浅埋，并选取大管径、壁厚的管道；应尽量避开断层错动较大的位置，并选取合适的管道穿越断层角度；在受动荷载作用时，管道在断层两侧受压区先破坏，故在断层两侧要进行特殊处理进行防护。

A variable structure dynamic model of gear driving system is established based on backlash hysteresis model and friction aggregation model.

基于滞环齿隙模型和集合摩擦模型，建立了齿轮传动系统动力学变结构模型。

The variable structure dynamic model of gear driving system was established based on backlash hysteresis model and friction aggregation model.

仿真分析了分别采用PID控制、增益固定变结构控制以及RBF神经网络变结构控制的补偿效果。

Based on finite element dynamic model of expansion casing with rubber sleeve, casing deformation and stress change inside casing, contact pressure at both sides of rubber sleeve and expansion parameter changes caused by friction factors during the expansion are analyzed.

根据带有橡胶筒的膨胀套管有限元力学模型，对套管膨胀过程中橡胶变形和套管内的应力变化、橡胶筒两侧的接触压力，以及摩擦因数引起的膨胀参数变化等做了分析研究；对橡胶筒的厚度、长度做了定量和定性分析，发现在橡胶与套管之间的接触摩擦因数作用下，橡胶过长将会在纵向产生&堆积&现象，在有限空间中，使其受较大的接触压力而失效。

The dynamic behavior and deformation properties of Cu-matrix powder metallurgy friction material under impact loading with confined pressure and non- confined pressure is investigated.

研究铜基粉末冶金摩擦材料在无围压和加围压条件下的动态力学特性及其形变特征。

Therefore, when the mechanical seal leakage test run to exclude inter-shaft seal and cover basically are due to dynamic and static friction ring caused by the destruction.

因此，试运转时机械密封泄漏在排除轴间及端盖密封失效后，基本上都是由于动、静环摩擦副受破坏所致。

The effect of metal wear-self-repairing additive on dynamic, economic performance and cylinder-piston ring friction pairs of SKL 8NVD-36A marine diesel engine was investigated.

通过SKL8NVD-36A船用柴油机的台架试验，研究了金属磨损自修复剂对柴油机动力性、经济性以及缸套-活塞环摩擦副的影响。

Therefore, when the mechanical seal leakage test run to exclude inter-shaft seal and cover basically are due to dynamic and static friction ring caused by the destruction.

因此，试运转机会械密封泄漏在消除轴间及端盖密封失效后，基础上都是由于动、静环摩擦副受损坏所致。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。