叶片型线的选择应满足边界层不分离条件及由欧拉方程——泵的基本方程所确定的理论扬程条件。
The choice of vane curve should satisfy the conditions of boundary layer non-separation and theoretical distance head by Eular equation-the basic equation of pumps.
根据非局部线弹性理论研究了剪切模量为指数型的无限大功能梯度材料反平面裂纹问题。
The crack problem in an infinite mediums of functionally graded material (FGM) subjected to antiplane shear is studied by using nonlocal linear elasticity theory.
建立了该型线的基本几何理论。
离心式固液两相流泵叶片的边界层的理论分析，可以为分析流体在叶片表面沿程阻力提供基础，进一步也可以为确定叶片型线提供理论依据。
The theoretical analysis of boundary layer in vane of centrifugal two-phase flow pump may provide a basis for flow drag in vane surface and a theoretical evidence to determine vane curve.
最后通过叶片的理论型线和实测型线重合度匹配等算法得到实测叶片的各主要误差项。
In the case that measured profiles match theory profiles, each error item is attained by using appropriate arithmetic.
因此对双螺杆泵转子型线设计及加工技术研究具有重要的理论意义和工程实用价值。
Therefore, research the profile design and processing technology of twin-screw rotor has important theoretical significance and practical value.
建立了该型线的基本几何理论，推导了工作腔容积。
The basic geometrical theory of the profile is established and the working chamber volumes are also derived.
本文从理论上及实际上论证了超喂型花式纱线的成纱过程、成纱原理，分析了超喂型花式线的结构特征。
This paper proves spinning process and principle of over feed effect yarn, and analyses construction characteristic of the over feed effect yarn in the theory and actuality.
针对外环流活塞泵运转时出现的汽蚀、震动问题，从理论上分析了转子型线与闭死容积、流速变化和发生汽蚀的内在关系；
To the problem of cavitation and shock that appears in the outside circulation piston pump running, the relation-ship between rotor profile and dead volume, flow rate and cavitation were analyzed.
本文对渐开线型线罗茨泵转子的理论型线、实际型线公式做了新的推导。
In this paper, a new deduction on the theoretical linear formula and the practical one of the involute, linear roots pump motor was made.
也可不用任何解析计算，随意地设计出理论上可行的型线。
Workable cycloids can be designed at will and without analytic computation.
为在不同阶空间利用泛函理论研究涡旋型线提供了机会，为通用涡旋型线研究拓宽了思路。
It offers an opportunity for studying scroll profile theory adopting functional theory and analyzing scroll profile in different ranks metric space.
本文研究所采用的平衡优化技术与方法，对于一般离散型制造企业的装配生产线平衡设计具有理论指导意义和实际参考价值。
The balancing optimization theory and methodology under this study may serve as a valuable reference for the design and optimization of assembly lines in discrete manufacturing enterprises.
我们获得一种系列型线，几乎能包括所有已知型线，具有理论和实际价值。
Thus, a series of cycloids are obtain. ed, which include almost a package of cycloids known so far, and therefore, it has the theoretical and practical value.
我们获得一种系列型线，几乎能包括所有已知型线，具有理论和实际价值。
Thus, a series of cycloids are obtain. ed, which include almost a package of cycloids known so far, and therefore, it has the theoretical and practical value.
应用推荐