The optimum passage section figure of rectangle is square, and the rectangle has 4 optimum comer circular arcs which make the hydraulic loss of friction loss of per unit length passage the least.
矩形流道断面以正方形为最优,且存在最优角圆,使单位长流道沿程水力损失最小。
The slightest motion of a patient in bed creates friction between skin and sheets and results in loss of cells from the skin's outermost layer.
卧床病人最轻微的活动就会在皮肤和床单之间产生摩擦力,结果就会引起皮肤最外层脱落。
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 long distance slurry pipeline transport project, it often need to calculate Friction Loss of Settling slurry in Inclined pipeline, but up to now, the research about this aspect is not much.
长距离浆体管道输送工程中,常常要涉及到倾斜管道浆体输送的摩阻损失问题,而对于这方面的研究到目前为止,并不是很多。
It is significative in mining Engineering to investigate the friction loss of coarse particle slurry in horizontal pipeline, but the research on this respect is not perfect.
水平管道粗颗粒浆体阻力损失的研究在矿业工程方面很有实际意义,而目前这方面的计算模型大多还不完善。
Test show that wear loss of developed friction disk is less, anti - abrasion properties and employment lifespan is superior to that of asbestos friction disk either in normal or sliding case.
装机试验表明,所研制摩擦片磨损总量最小,耐磨性能和使用寿命在正常使用或离合器打滑情况下优于石棉摩擦片。
This degradation or loss of effective draw weight due to friction forces is called hysterisis.
这退化或丧失的有效利用体重由于摩擦力称为磁滞。
Calculation formula of velocity distribution, boundary layer thickness, friction force and loss of water head are given out, in accordance with the result from theory analysis of similitude solution.
对于速度边界层提出了相似性解的解析结果,给出了速度分布、边界层厚度、摩擦阻力和水头损失的解析计算表达式。
The model of system loss model caused by wind resistance and bearing friction is established based on the regression analysis of flywheel's free brake curve.
通过对飞轮的自由刹车曲线进行回归分析,得出由风阻和轴承磨损等引起的系统损耗模型。
Influential factors of friction factor of head loss are analyzed by adopting artificial neural network (ANN).
采用神经网络(ANN)方法对沿程水头损失系数的影响因素进行了分析。
On small friction coefficient runways, skidding wheels result in largely reduced brake efficiencies and possible loss of directional stability in rolling.
在小结合系数跑道下,机轮打滑严重,导致系统刹车效率降低,并很容易使飞机丧失滑跑方向稳定性。
However, For pipes with local resistance loss, the friction head loss caused by the viscosity of fluid does exist, which may lead to the calculation error.
但是在形成局部阻力损失的管段中,还会同时伴随产生由于液体的粘性力引起的漩程水头损失,这就造成了这项损失的计算误差。
While flowing through a pipe, the fluid is subjected to the loss of head due to the friction of the inner surface of the pipe against it.
流体流经管道时,由于管道表面的摩擦力而产生力头损失。
Friction loss factors of hydraulically smooth pipes have been calculated by using several different turbulent models.
应用几种不同的湍流模型,模拟计算水力光滑管的沿程阻力系数。
This paper determines standard uncertainty for measurement of windage and friction loss of three-phase induction motor through fitting line of least square method.
本文用最小二乘法拟合的直线确定三相异步电动机风摩耗测量的标准不确定度。
The friction coefficient of amphiphobic surface in seawater is smaller than that in water while the wear loss of the former is bigger.
双疏表面在油介质中的摩擦系数和磨损量最小,在海水中的摩擦系数小于水,磨损量大于水。
The result shows that in the ring-block sliding wear test, with time prolonging, the friction coefficient of all samples becomes more and more stable, and the mass wear loss increases.
结果表明:在环-块滑动摩擦实验中,随时间延长,试样摩擦系数均趋向平稳,质量磨损量均增长。
As the existence of the horizontal curvature, the result of friction loss is different from "standardize".
由于水平曲率的存在,空间曲线预应力束的摩阻损失与规范计算的结果存在差异。
A variable displacement friction-reducing technique for the vane type automobile air-conditioning compressor was presented to reduce the friction loss of vane-type compressor.
提出一种能实现可变排量的滑片式汽车空调压缩机减摩技术。
In this paper a method to improve the working life of stamping die from the friction loss, dearance and material selection is introduced.
本文从冷冲压模具的磨损、间隙、选材等方面提出了提高模具寿命的措施。
Recounted friction loss circumstance on parts of the second-row shroud-ring in the Curtis stage for N12 turbine's rotor.
根据启动试验结果和大修检查发现的问题,介绍了转子复速级第二列复环局部严重磨损的情形。
Using Darcy-equation to calculate friction loss is more convenient, but using the comprehensive equation can improve calculation precision. A empirical method of dealing with pump station boundary…
用列宾宗公式计算摩阻。可以提高计算精度。对长输管道中间泵站边界条件,给出了经验处理方法。
Using Darcy-equation to calculate friction loss is more convenient, but using the comprehensive equation can improve calculation precision. A empirical method of dealing with pump station boundary…
用列宾宗公式计算摩阻。可以提高计算精度。对长输管道中间泵站边界条件,给出了经验处理方法。
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