Internal flow characteristics measurement in low specific speed centrifugal impeller;
低比转数离心泵叶轮内部流动的测量
An Application Research on Increasing the Performance of the Low Specific Speed and High Head Pumps;
提高低比转数高扬程泵性能的应用研究
Statistical function curve about turbine specific speed and cavitation coefficient are given.
介绍了对我国100多台已运行的水轮机气蚀调查结果,分析了气蚀改善的原因,并给了有关水轮机比转数和装置气蚀系数的统计关系曲线等。
Compared with the effects of amplitudes of the speed ratio function on the(lapping) uniformity,the effect of phase is much less.
对研磨均匀性来说,转速比函数幅值影响较大,相位的影响是很小,可以忽略。
Research on ultra-low-specific-speed rotation pump for upper stage engine;
液体火箭上面级发动机用超低比转数泵研究
Making an engine run faster than 19000 rpm is pointless.
让一台引擎每分钟的转数比19000转还多是没有意义的。
number of revolutions to speed
螺旋桨转速与航速比转数与船速比
Numerical Simulation and Structure Optimization on Low Special-speed Centrifugal Pump;
低比转数离心泵内流模拟和结构优化
Data Exchange Method of Heterogeneous CAD System and Its Comparison
异构CAD系统数据转换的方法及比较
Format Conversion of Database Construction of Large-scale Topomap
大比例尺地形图数据建库格式的转换
3-D Numerical Simulation for Low Specific-speed Centrifugal Pump with Multi-phase Position
低比转数离心泵多相位定常全三维数值模拟
Comparator Applicable for High Speed High Resolution ADC
一种应用于高速高精度模数转换器的比较器
Numerical Simulation of Interior Flow for High Specific Speed Mixed-flow Pump and Its Characteristics Prediction;
高比转速混流泵内部流场数值模拟与性能预测
Optimum Design and Internal Flow Analysis on Super-low Specific-speed Centrifugal Pump s Impeller;
极低比转数离心泵叶轮的优化设计与流动分析
The Research of the Realization of 10bit Pipelined Anolog to Digital Converter;
10比特流水线型模数转换器的实现研究
6 Bit Super Speed Flash ADC Design;
6比特超高速全并行模数转换集成电路设计
Rural-Urban Migrationin China:AComparisonbetween Majority and Minority Migrants;
农村汉族和少数民族劳动力转移的比较
Hydraulic Design for Impeller of High Specific Speed Mixed-flow Pump and CAD System's Research
高比转数混流泵叶轮水力设计CAD系统的研究
Research and Application of Type Selection Program and Specific Revolution Optimization in Fans
通风机选型程序与比转数优化的研究及应用
Design and Improvements of Centrifugal Pumps with Low Specific Number of Speeds based on Inner Flow Analysis
基于内流分析的低比转数离心泵设计与改进
A Comparative Study of Turbulence Models for Simulating Combustion Process in Rotary Engine
转子发动机燃烧过程二维数值模拟的比较研究
Multi-objective optimization for the geometrical parameters of the low-specific-speed centrifugal impeller
低比转速离心泵叶轮几何参数多目标优化
Numerical Simulation of Interior Flow for High Specific Speed Mixed-flow Pump Designed by Constant Circulation flow Pattern
等环量流型高比转速混流泵内部流场数值模拟