it is fairly easy to measure a friction coefficient by putting an object on an incline and by changing the angle of the incline, increasing it this is the angle alpha.
测量摩擦系数有一种简单方法,把物体放置在斜面上,然后不断增加斜面的倾斜度,这是角α
and let the friction coefficient mu 2 be one-fifth, 0.2.
假设摩擦系数μ,等于0。
with graphite particle content increasing from 5% to 20%, wear weight-loss and friction coefficient of the composites are obviously declined, greatly improving wear resistance of the composites.
随着石墨颗粒含量从5%增加到20%,镁合金基复合材料的耐磨性得到明显的改善,磨损质量损失与摩擦系数都降低到较低水平。
in the default model the friction coefficient is defined as afunction of the equivalent slip rate and contact pressure.
在默认模型里,定义摩擦系数为等效滑移率和接触压力的函数。
i told you that the friction coefficient is independent of the mass of the object.
我讲过,摩擦系数,与物体质量无关。
the effect of surface phase constitution, surface roughness, sliding speed, press force and anti- rust oil on friction coefficient of galvannealed if sheet steel has been tested and researched.
采用平板滑动实验研究了表面相组成、表面粗糙度、拉速、压力及涂油品种等因素对汽车用合金化热镀锌if钢表面摩擦系数的影响。
it is very nonintuitive that this friction coefficient is completely independent of the mass.
我们惊讶地发现,公式中摩擦系数,与质量完全无关。
there is another way that one can measure the friction coefficient which is way more complicated and really, that「s not the reason why i want you to see it.
测量摩擦,其实还有一种方法,一种更复杂的方法,复杂的方法,不是目的。
that should allow you to calculate the static friction coefficient and you」ll get a chance to do that in your third assignment.
这样一来,请计算静摩擦系数,它将作为你们第三次作业的,一部分。
whoosh that your friction coefficient goes almost to zero.
,摩擦系数计划变为零。
however, in some application conditions, low hardness, big friction coefficient and poor wear resistance confine its extensive application in engineering.
然而,在某些应用条件下,钛合金的硬度低,摩擦系数大,耐磨性差。
there, the kinetic friction coefficient remains constant independent of the speed.
这里,动力摩擦系数,独立于速度之外。
if indeed the friction coefficient is independent of surface area, then when i tilt them they should start to slide roughly at the same angle.
若摩擦系数真的,与接触面积没有关系,那么两者下滑时的角度,应该基本相当。
so it「s only a poor-man」s version of what i discuss there, but in any case, the friction coefficient with the floor is substantially larger than the friction coefficient here.
只是我这个糟老头子,的一些观点,无论在哪个例子里,和地板的摩擦系数,实际上都会,大于这里的摩擦系数。
the results show the friction coefficient of wet friction material is small and steady, ranging of 0.07-0 13.
结果表明:该湿式摩擦材料的摩擦系数小而稳定,在0.07-0.13间波支国。
so you should be able to calculate what the friction coefficient is using the equation tangent alpha equals mu s.
你们则需要学会,计算摩擦系数,使用μ静=tanα这个公式。
the friction coefficient of the coatings decreased with increasing load.
涂层的摩擦系数随着载荷的增大而降低;