还给出了表面摩擦力系数和边界层位移厚度的计算结果。
Results of calculated skin friction and displacement thickness are given.
在数值计算中,通过附面层位移厚度计算,引入了附面层粘性修正,改善了计算结果。
Besides, boundary layer correction has been introduced in numerical calculation through accounting for the displacement effect, so that the computational results presented are further improved.
本系统除可用于码盘的安装调试外,还可测量物体微位移、物体表面形貌及物体厚度,有很大的实用价值。
The system can be used in installing and debugging the disc and also in measuring the micro displacement of the object, the surface shape and thickness of the object, so it has fairly applied value.
介绍了一个设计性实验—利用反射式光强位移传感器工作特性曲线上升沿的线性区测量纸张厚度。
The thickness of paper is measured using the linear area of the characteristic curve of an optic-filter sensor.
探讨了在水平冻结情况下覆盖厚度(埋深)、冻土壁厚度、开挖半径、含水量和盐水温度对冻胀位移的影响。
The influence of different covered depths, thickness of frozen wall, excavating radius, original water content and brine temperature on frost displacement are discussed for horizontal freezing model.
模拟了某拟建中水下公路隧道,在不同隧道顶板厚度时的围岩应力、位移、塑性区的分布及大小。
Dispersion ranges of stress, displacement and plastic region of different coping thickness of wall rock of an underwater highway tunnel are simulated.
在一定程度上,随着泡沫铝厚度、油气浓度(即爆炸荷载大小)的增加,降低板中心点处位移峰值的幅度也随之增加。
The decrease gradient of the peak displacement at the center of plate increases as the foam thickness, fuel-air concentration(i. e. explosion load size) increases to some extent.
通过调整结构剪力墙的厚度和间距解决了建筑平面偏长的问题,结构的刚度分布和位移反应比较合理。
By adjusting the thickness and space of the shear wall, the problem that the plane is a bit long is solved, and the rigidity distribution and displacement response are reasonable.
根据弹塑性力学及围岩-支护相互作用原理,分析了竖井稳定性,推导了竖井围岩与支护的应力、位移以及支护厚度的计算公式。
Based on plastoelasticity mechanics and surrounding rock-supporting principle, the stability of shaft was analyzed, and calculation formula of stress, displacement and support thickness were derived.
通过建立数学模型以消除叶片厚度引起的径向位移误差。
Set up the mathematic model of cover curve to avoid the radial displacement error which evocabled by the thickness of vane.
德国米铱公司提供的电容式位移传感器被用于以纳米级的精度校准芯片光刻机中镜片的位置,测量晶圆厚度等应用。
Capacitive sensors from Micro-Epsilon are used, among other things, for the positioning, displacement measurement and thickness measurement in the semiconductors area.
皮质骨的厚度与界面骨的位移成反比。
The thickness of cortical bone is inversely proportional to the displacement of interface bone.
抛弃任何有关应力或位移模式的人为假设,在轴对称情况下,对强厚度叠层闭口柱壳建立其状态方程。
Giving up any assumptions about displacement models and stress distribution, the state equation for the axisymmetric problems of thick closed laminated cylindrical shells is established.
浮法玻璃生产线玻璃带厚度在线检测技术采用了激光三角法位移测量原理,在退火窑热端进行玻璃带测厚的方案。
Adopt laser trigonometry displacement measure theory in the detection of glass thickness on line and the method in the hot side of annealing kiln.
分析方法是半解析法,没有应力和位移模式的假设,不限制壳的厚度,不要求两壳间的连接弹簧或其它支撑弹簧均匀分布;
A semi-analytical method with no assumption of stress and displacement is developed, in which the thickness of shell is not restricted and the uniform distribution of springs is not needed.
本文建立了一种新型的反射式光纤位移传感器的数学模型,并将其用于推力轴承试验中测量油膜厚度的VXI测试系统中。
In this paper, an oil film thickness VXI measuring system of the thrust bearing test has been applied to set up a new kind of optical fiber reflective sensor mod el.
用激光散斑照相的方法测量了因光在透明介质中折射而引起的散斑位移,并求出介质的厚度与折射率。
By means of laser speckle photography, the speckle displacement caused by refraction in transparent medium is measured. The thickness and the index of refraction is then calculated.
道床厚度增加,路基动应力线性减少,但路基动位移和加速度变化不明显。
With the thickness of ballast increasing, the subgrade dynamic stress reduces linearly, but dynamic displacement and acceleration have a negligible change.
最后,将系统应用于金属位移及膏布药层厚度的检测,给出了实验方案,取到了令人满意的效果。
In the end, the system is used to measure displacement of metal and thickness of plaster, the experimental methods are given, and the results are satisfied.
隧道的极限位移不仅与围岩类别有关,还与洞室大小、形状、支护形式、支护厚度、施工方法和破坏状态等因素有关。
The limit displacements of tunnelling is influenced by surrounding rock, tunnelling size and shape, supported structure form and thickness, constructing method and failure form.
运用一种精度较高的高阶位移模型进行复合材料层合板的应力分析,在分层损伤处采用沿厚度分段抛物线插值的方法拟合横向剪应力。
In this paper, the damage process of composite laminated plate subjected to low velocity impact is analyzed by using a high-order displacement mode.
介绍了基于激光位移传感器与电涡流位移传感器的位移差动法在线检测纸坯厚度的原理及测量系统的软硬件设计。
The principle of paper thickness on-line measurement using displacement differential method based on laser displacement sensor and electric eddy current displacement sensor is introduced.
用激光超声测得铝块厚度与实际值很好地吻合,同时测出了系统的最小可探测位移。
Thickness of the aluminium plate is measured with laser ultrasounds. It tallies quite well with the real value. The minimum displacement which can be detected by the system is also meas...
结果表明,光束位移的大小和正负紧密地依赖于空气间隙层的厚度。
It is found that the lateral shift is strongly dependent on the thickness of the air-gap layer.
本文介绍了一种用激光细光束测量平行平面板折射率的新方法,并分析计算了入射角、平板厚度及光束位移量的误差对折射率测量精度的影响。
A new measurement method of refractive index of plane-parallel plate has been introduced in this paper, which is performed by thin laser beam.
最后研究了盖层厚度、填充半径对位移、应力的影响规律。
The effects of some parameters, such as the plate thickness, radius of the filled foundation, on the maximum deflections and stress, are also investigated.
最后研究了盖层厚度、填充半径对位移、应力的影响规律。
The effects of some parameters, such as the plate thickness, radius of the filled foundation, on the maximum deflections and stress, are also investigated.
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