specific speed
[机] 比转速;[机] 比速;特有速度
2026-03-22 10:51 浏览次数 25
[机] 比转速;[机] 比速;特有速度
specific c speed比速率
specific rotation speed比转速
specific rotary speed比转速
low specific-speed低比速
pump specific angular speed泵比转速
cavitation specific rotation speed汽蚀比特速
cavitation specific angular speed气蚀比转速
high specific activity speed高速的
specific rotating speed特定的转速
based on the two-dimension theory, a computer code is made in fortran language to design the high specific speed mixed-flow pump.
基于二元理论,用fortran语言编程实现了高比转速混流泵叶轮的水力设计。
in order to meet the modern quick attack, players should possess the good specific speed ability.
运动员必须具备良好的专项速度素质,才能适应现代快速打法的需要。
the principle, steps and examples of designing the ultra-low specific speed impeller using the flow path blockage method and the analytical method are presented.
文中介绍了采用堵流道法和解析法进行超低比转速叶轮设计的原理、步骤及实例。
numerical computation of inner flow passing through low specific speed compound impeller of centrifugal;
尤其是低比转速复合叶轮离心泵内部的流动更加复杂,亟待解决的问题也更多。
final design scheme is confirmed after economic and technical analyse. then, axial fan 's stage type, impeller diameter, hub ratio , specific speed and the number of blades are decided.
在进行经济技术性分析后,最终确定风机的设计方案,进而确定通风机适当的级型式、叶轮尺寸、轮毂比、转速和叶片数等基本参数。
in general, a new formula is presented for computing specific speed with impeller geometric parameters.
总之,本文初步提出了用叶轮几何参数计算比转数的公式。
especially the flow of compound impeller in the centrifugal pump at low specific speed is more complex and has more problems need urgently to resolve.
尤其是低比转速复合叶轮离心泵内部的流动更加复杂,亟待解决的问题也更多。
the structure design, hydraulic design, and some noticeable problems of the high temperature and high pressure circulating wax pumps with a 24 specific speed were described.
阐述了比转数为24的高温高压循环蜡泵的结构设计、水力设计及一些需注意的问题。
with our training experiences, the ways and means for improving the specific speed ability of elite female shot putters is discussed in the paper.
文中结合训练实践经验,探讨了发展高水平女子铅球运动员专项速度能力的方法及途径。
based the brake horsepower characteristics of low specific speed centrifugal pump and the required features of pumps used for agriculture, the concept of non - overload centrifugal pumps is conceived.
针对农用泵(运行工况多变且出口无流量调节阀)的特点和低比转速离心泵的轴功率在大流量区运行易过载的特性,提出了无过载离心泵的概念。
comparing of performance curves and cavitation property with common centrifugal pump of same specific speed was presented in this paper.
同时,针对旋流泵的性能曲线和汽蚀问题与同比转数普通离心泵进行了对比分析。
to basketballers, the specific speed endurance is a very important fitness.
篮球运动员的专项速度耐力是一项很重要的专项运动素质。
after thoroughly analysing the details of the ultra low specific speed pump, a series of experiment studies are carried out.
因此,针对超低比转速泵的具体情况,进行了提高汽蚀性能的试验研究。
it is resolved that design condition efficiency for low specific speed centrifugal pump is not the highest in terms of experiential statistical area ration value.
解决泵行业一直依据经验统计值确定面积比而不能使低比转速离心泵在设计点效率最高这一问题。
this paper presents the unified definitions of specific speed and cavitation specific speed and derives their respective formulas.
本文提出了比转数和汽蚀比转数的统一定义,并推导和推荐了相应的计算公式。
this paper put forwards individual ideas and suggestions on how to improve specific speed ability of badminton players from the experiences and experiments.
本文通过实验法及个人的训练体会,对专项速度所包括的内容,及如何提高羽毛球运动员的专项速度素质,提出个人的观点和建议。
it is suggested that the specific speed would be replaced by diametric ratio, and the new nameplate would be used.
建议比转速应为直径比所取代,并启用水斗式水轮机新铭牌。
results of this thesis provide guiding significance to waterpower design of impeller of the low specific speed centrifugal pump.
对低比转速离心泵叶轮的水力设计具有一定的指导意义。
an ultimate specific speed method checked by formula of manufacturer is proposed.
提出用极限比速法,并采用厂家公式校核的方法选取沖击式机组。
the characteristics of low specific speed centrifugal pump are introduced, and the grid generation method for impeller passageway and the governing equations of calculation are also expatiated.
简要介绍低比速离心泵特点,阐述计算的控制方程和叶轮通道网格划分方法。
the method for designing mixed flow pump impeller by two-dimensional theory is discussed and a volute mixed flow pump with specific speed 500 is designed by this method.
本文讨论了用二元理论设计混流泵的方法。应用该理论设计了比转数为500的蜗壳式混流泵。
the paper introduces the current status of study on the hydraulic design of the super-low specific speed centrifugal pump.
介绍了超低比转速离心泵水力设计的研究现状及设计过程中叶轮参数的选取方法。