An efficient reliability evaluation algorithm for complex radial DSs is proposed using section technique and the shortest path algorithm ( SPA) in this paper in terms of the characteristics above. 基于该特点,应用最短路方法和分块技术提出大规模复杂配电网可靠性评估算法。
Radial vibration equivalent circuit of annular plate concentrator with tapered section plane 锥形剖面环形聚能器径向振动等效电路研究
The mathematical model of the flute radial cross section with three pieces of arcs has been established. 建立了三圆弧螺旋槽径向截形的数学模型。
In the same wafer, the fibre parameter was different along the radial. It was high at the edge and low in the center section. 同一晶片上纤维沿径向分布有差异,边缘纤维密度高,中心部位纤维密度低。
Object's radial velocity effect on object's radar cross section ( RCS) outdoor measurement with pulse to pulse frequency shifting radar was researched. 研究了在脉间变频格式目标雷达散射截面(RCS)测试中目标径向速度对测试结果的影响。
Through the simulation of the process of cross wedge rolling axis with the help of FEM software ANSYS-DYNA, the alternating rule of radial strain and lateral strain on different cross section of workpiece during finishing stage has been analyzed. 应用ANSYS/LS-DYNA有限元软件,对楔横轧轴类件进行轧制过程的模拟,分析了精整段轧件不同横截面中心点径向应变和横向应变的交变规律。
Secondly, the microstructure of larch wood was changed to some extent, the observed changes by scanning electronic microscope were the pit membrane cracking and the cross crack on radial section of the specimen. 显微结构有不同程度的变化,在电子显微镜下可以看到纹孔膜发生破裂,木材的径切面上产生横向的裂纹;
The periodical changes of stresses and strains for some key-points on a radial section of the tire during rolling on straight road are also obtained. 本文还对轮胎径向截面上的某些关键点(如胎侧和胎冠处的顶点)的应力、应变随转动位置周期地变化的关系作出了分析。
This article mainly discusses the concerned technical aspects in the basis, conditions, classification and design speed for ring road, layout of ring and radial road, planning and design, service standard, structure and cross section of pavement, intersection and connection, etc. 为探讨有关技术问题,本文就城市环路建设的依据与条件、分类与设计车速、环网布设、规划与设计、服务水平、路段构造与横断面、交叉与连接等方面进行了阐述。
Through analyzing tangential strain of three areas, it found out that neutral layer of strain move entad, but the displacement is not equal in each radial section. 在对三个区域的切向应变作了较为详细的分析讨论后,提出了应变中性层虽向内移动,但其内移量在各径向剖面内是不相等的这一说法。
Axis symmetrical radial vibration of a thin annular plate with tapered section plane is studied and the equivalent circuit is derived by using electromechanical analogy method. Based on the circuit, the resonant frequency equation are obtained. 基于机电类比原理,给出了锥形剖面薄圆环形聚能器的轴对称径向振动等效电路,由等效电路得出了其径向共振频率方程。
Two coupled vortices are visualized on each radial cross section of the volute. Both vortices experience complicated variations along circumferential flow path with respect to volute's different operating conditions. 计算结果表明,在蜗壳各径向截面上都存在着一个旋转方向相反、强度交替变化的涡对。该涡对会随着径向截面位置与蜗壳运行工的变化发生复杂的变化。
The radial displacement near 63.24o section along model circle is larger than that at other sections. 沿模型结构环向,63.24o附近的径向位移大于其它位置的径向位移;
Based on the analysis of the control demands of radial gate on the exterior overflow dam section, the control system was designed with the realizable control function. 本文在分析溢流表孔弧形工作闸门控制需满足要求的基础上,提出控制系统组成、控制方式的设计以及可实现的控制功能。
An Anatomical Study of Muscular Branches of Radial Nerve in the Outside Section of Upper Arm 桡神经臂部外侧段肌支的应用解剖学研究
Flute Radial Cross Section of Twist Drill Based on Arc 基于圆弧的麻花钻螺旋槽径向截形
Tangential and radial components of time-averaged velocity in section ⅳ,ⅵ and ⅷ of a volute of centrifugal pumps pumping high viscous oil with viscosity 48mm2/ s were measured using LDV at best efficiency and part loading points, respectively, in the paper. 本文用LDV测量了最优工况和小流量工况下,输送运动粘度为48mm2/s高粘油时,蜗壳第Ⅳ、Ⅵ和Ⅷ断面内的时均切向、径向速度。
The result shows that the fluid flow is mainly radial-flow at the radial section and mainly axial-radial flow at the catalyst sealing zone; 以大型乙苯脱氢轴径向反应器为背景,讨论了流向和触媒封高对流场的影响,得出径向段主要以径向流动为主,在催化剂封区以轴向、径向二维流动为主;
The two flowing segments characterizing finite conductivity horizontal fracture, instable transitional flow in the fracture and radial flow in vertical plane of the reservoir are presented at the particular section of the derivative pressure curve. 从导数曲线上可以看出代表有限导流水平裂缝特征的两个流动段,裂缝的不稳定流动过渡段和地层内的垂直径向流动段。
We also learnt that depth of the penetration was deeper in tangetial section than in radial section and it varied with the density and moisture content of the wood. 远红外对木材的穿透深度弦向大于径向,且与木材的密度、含水率有关。
The irradiating method of small caliber cube radial needs elliptical irradiating, because the irradiating section's thickness has big change, irradiating situation is especial. 小径管射线透照一般都要求椭圆透照,由于透照截面厚度变化大,透照情况比较特殊。
Experimental Study on Seals with Expand and Contract of High Head Radial Gates with Section Model 高水头弧形闸门的框形伸缩式水封切片试验研究
Three kinds of results are obtained by simulation calculating the two models: the composed vector diagrams of the axial velocity ( v) and the radial velocity ( vr) at the different times in the symmetry section; 我们对两种不同直径的S型血管进行了有限元模拟计算,得到三种结果:在对称面内不同时刻的轴向速度vφ和径向速度vr的合成矢量;
Applying the radial section scanning method based on gray centroid, the image edges are tested with a sub-pixel precision. 采用基于灰度质心法的径向截面扫描法对图像边缘进行亚像素级检测;
The analysis results show that the simulation deforming fields lagging behind the actual ones are mainly caused by neglecting to consider the radial electromagnetic force that and the coil with rectangular section, whose height is larger than the width can improve the forming efficiency. 分析结果表明,忽略径向电磁力是导致模拟变形场滞后于实际变形场的主要原因;采用高度大于宽度的矩形截面线圈可提高成形效率。
The complicated radial-axial ring rolling technology is used mainly to manufacture large rings, in which the radial and axial section of rings are rolled at the same time. 环件径轴向轧制是对环件径向和轴向同时进行轧制的复杂工艺,主要用于轧制大型环件。
For a circular tube member, its radial stiffness is generally much smaller than its axial stiffness due to its hollow section and thin wall. 圆钢管由于空心薄壁的特点,其径向刚度远远小于其轴向刚度。
The change law of tangential velocity and radial velocity with along section liquid and gas phases, on-way attenuation law of near-wall region bubble are obtained respectively through statistical experimental data. 通过计算,获得了水相及气相的切向速度和径向速度沿断面的变化规律;获得了近壁区域气泡的沿程衰减规律。
The original aluminum wire shows strong 111 texture in the axial direction of aluminum wire and weak 101 texture in the radial direction of aluminum wire and the direction perpendicular to the cross section of aluminum wire. 原始铝丝中的织构为铝丝轴向上较强的111织构以及铝丝径向和垂直于铝丝截面方向上较弱的101织构。