系统的一种变化会变几何涡轮增压器。
A variation of the system would be the variable geometry turbochargers.
给出了变几何透平静叶冲角损失的定量分析。
Also, a quantitative analysis was performed for the incidence loss in VGT's stator.
最后,将地下衬砌的变几何与不变几何的应力分析结果作了比较。
Lastly, the stress analyses of geometrically altered and not altered underground structures are compared.
提出了二重八面体变几何桁架机器人工作空间的边界曲面分析方法。
Boundary surface analysis method for workspace of double-octahedron variable geometry truss robotic manipulators(VGTRM) is proposed in this paper.
提出一种十二面体变几何桁架机器人机构正位置分析的代数求解方法。
An algebraic method is proposed for the forward displacement analysis of the dodecahedral variable geometry truss manipulators.
结果表明,恰当的组合变几何调节可显著的改善发动机的稳定工作范围。
The results show that appropriate combined variable geometries can improve the engine aerodynamic stability greatly.
使用CFD软件NUMECA对变几何平面叶栅三维流场进行了数值模拟。
Three dimensional field of a variable geometry linear turbine cascade is simulated by CFD software NUMECA.
利用级叶栅的实验特性,推导出模型级轮周功及效率特性在变几何前后的对应关系。
Based on the experimental feature of the cascades, the correspondent relationship of stage shaft power and efficiency between fixed and variable geometry was derived.
主要利用所建立的发动机稳态性能计算程序,分析和计算了变几何部件对发动机性能的影响。
Effects of variable geometry components on engine performance are analyzed and calculated by use of the established calculation program for engine steady performance.
变循环发动机是现代多用途战斗机的理想动力装置,实现变几何调节是其发挥性能优势的关键。
Variable cycle engine is an ideal powerplant for modem versatile fighters, and realization of variable geometry adjustment is the key to make the most advantage of this engine.
变循环发动机是现代多用途战斗机的理想动力装置,实现变几何调节是其发挥性能优势的关键。
Variable cycle engine is an ideal powerplant for modern versatile fighters, and realization of variable geometry adjustment is the key to make the most advantage of this engine.
并对四重四面体的变几何桁架机器人进行仿真计算,与伪逆法求解进行了比较,证明了方法的优越性。
Kinematic simulation of a four celled tetrahedron tetrahedron variable geometry truss manipulator is carried out. Results show that our method is better than the pseudo inverse method.
对工作于引射和亚燃模态的RBCC发动机进气道来说,宽马赫数工作的要求显得尤为突出,使得二元进气道应采用变几何结构。
In ejector and ramjet modes, working over a wide Mach number range is very important for the RBCC inlet, so the 2d RBCC inlet should be variable-geometry.
这种控制器的设计结合了微分几何理论及变结构控制理论。
Design of these controllers combines the differential geometry theory with the variable structure control theory.
本文研究和开发了一个变分几何的参数化造型系统(VGPDA)。
In this paper, a variational geometry based parametric modelling System (VGPDA) is explored and developed.
主要介绍了变结构控制、反馈线性化的微分几何方法、逆系统方法、直接反馈线性化等方法的基本思想和基本问题。
The idea and basic problem in variable structure control, differential geometry method on feedback linearization , inverse system method, direct feedback linearization method are mainly described.
梁段、柱段变形引起的梁外端挠度可利用已有悬臂柱低周交变加载模拟程序计算,再通过几何关系换算得到。
The beam end displacement due to beam and column deformation may be calculated by existing cantilever program and then converted by geometric relation.
本文建立了水力压裂过程中变排量注入一种和顺序注入两种幕律液体情况下水平裂缝几何尺寸的数值计算方法。
A numerical solution method is suggested for the calculation of the geometry of horizontal fractures induced hydraulically by injecting, at variable rates, in sequence of power-law fracturing fluids.
最大值的及达到此最大值的时间均随几何形状和表面热传导系数而变。
The magnitude of the maximum value, as well as the time to reach such maximum value, varies with geometry and surface heat-transfer coefficient.
本文用有限变形理论对人工冻结壁施工的几何非线性和冻土蠕变材料非线性问题进行了非线性数值分析。
This paper applies the theory of limited deformation analysis to the non-linear problem of the geometrician and creeping material for the frozen-wall.
应用广义函数及蠕变理论,建立了汽轮机阶梯式变厚度轮盘在蠕变状态下的平衡方程、几何方程及本构方程。
By using the generalized functions and creep theory, the equations of equilibrium, geometry and constitution for stepped rotating disks of steam turbine are established under the creep condition.
在三维退化梁单元的基础上,引入几何非线性,推导出计算任意变截面压杆稳定问题的有限元列式。
Based on the 3_d deteriorated girder element, the formulae of FEM for elastic stability of variable cross_section compression bar concerning geometrical nonlinearity have been derived.
在理智的时间既不是风荷载静力也不均匀变,而且严重影响的几何结构以及周围结构和景观。
At the sane time wind loads are neither static nor uniformly varying, and are heavily influenced by the geometry of the structure as well as the surrounding structures and the landscape.
本文利用群胚的有关知识证明了李群在基本群胚上的提升作用有余伴随等变的动量映射这一结论,进而刻划了辛群胚的几何性质。
In this paper, in accordance with the knowledge of Groupoid, we proved that the nature life of Lie Group on a Fundamental Groupoid has a coadjoint equivariant momentum mapping.
用这个算法可以处理的图像几何变换包括:图像旋转,图像变倍,图像剪切,以及图像翻转,镜像变换等。
In this algorithm, many basic geometric transformations of digital images are unified. These transformations include scaling, rotating, shearing, flipping, and mirroring, etc.
该方法基于微分几何理论,并将直流输电系统等效为两个分别连接在整流侧和逆变侧的变导纳支路。
The approach proposed in this paper is based on differential geometric theory, and the HVDC systems are taken as a variable admittance connected at the inverter or rectifier ac bus.
通过建立钢板弹簧的曲梁模型,应用虚力原理求解位移,得到了变截面钢板弹簧刚度的几何非线性特性。
A nonlinear characteristic of taper leaf springs is presented by using the model of curved beam and the principle of virtual force.
利用变分原理,推导了两节点二维曲梁单元几何非线性的单元切线刚度矩阵。
From the variation principle, an analytical solution of the tangential stiffness matrices with nonlinear effects geometrically, for two-nodal two-dimension curved beam element, has been derived.
变方向折线剖面是在地形、地质情况较为复杂地区普遍采用的实测地质剖面方法。其地质剖面图目前一般用几何作图方法以投影法成图。
The construction of the direction changing section is a method of measuring a geological section applied commonly in areas with complex topographic and geological condition.
变方向折线剖面是在地形、地质情况较为复杂地区普遍采用的实测地质剖面方法。其地质剖面图目前一般用几何作图方法以投影法成图。
The construction of the direction changing section is a method of measuring a geological section applied commonly in areas with complex topographic and geological condition.
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