There are many affecting aspects of ejecting coefficient of water ejector, including area ratio, working pressure, ejecting pressure and outlet pressure with the method of variable total differential, the expres-sions of ejecting coefficient are obtained in this paper.
影响水喷射器引射系数的因素很多,包括面积比、工作压力、引射压力及出口压力等,本文运用变量全微分的方法推出了这些影响因素改变时对于引射系数影响的具体表达式,井通过计算数据,分析了这些因素的影响次序。
With the method of variable total differential, the expression of the ejecting coefficient varying with these factors is obtained in this paper.
在喷射式系统中,影响喷射器工作的因素包括工作压力,引射压力及出口压力等,本文运用变量全微分的方法推出了这些影响因素改变时对于喷射器引射系数影响的具体表达式,并通过计算数据,分析了这些因素的影响次序。
The influence of the working fluid pressure and the structure of ejecting nozzle on the outlet temperature,ejecting coefficient and heating efficiency of the ejecting-mixing heater were analyzed.
对多喷嘴引射混合式加热器的加热性能进行了试验研究,分析了工作流体压力和引射孔结构对引射混合式加热器的出口温度、引射系数以及加热效率的影响。
The Predictive Model of Ejecting Ratio of Heat Pump at Transient Conditions;
喷射式热泵引射系数的变工况预测模型
The ejecting ratio of heat pump will vary with the pressure of working steam, extracting steam and the mixture in the process of operation, which will corrupt the normal operation of heat pump.
喷射式热泵的引射系数在运行过程中会因工作蒸汽的压力、引射蒸汽的压力和混合蒸汽出口压力的变化而发生较大的改变,这对于保证热泵的正常工作是不利的;本文运用变量全微分的方法推出了这些影响因素对于引射系数影响的数学模型,为运行时预测引射系数的变化提供了一种简要可靠的计算方法。
The results indicated the injection coefficient decreased and the resistance coefficient increased as the inlet water pressure and temperature increased respectively.
实验结果表明:进水压力和进水温度升高使引射系数减小、阻力系数增加,乏汽压力升高使引射系数增加、阻力系数减小,出水压力升高对引射系数没有影响;在本实验条件范围内,引射系数随喉嘴距的增加而增加。
The results showed that the injection coefficient decreased as the inlet water pressure and temperature increased respectively.
实验结果表明,引射系数随进水压力和进水温度的升高而降低,随进汽压力的升高而升高,基本不受出水压力的影响;阻力系数随进水压力和进水温度的升高而升高,随着进汽压力的升高而降低。
Study on characteristic of the absorption and scattering coefficients of Taihu Lake waters;
太湖水体吸收系数与散射系数的特征研究
The results indicate that the mean value of the scattering coefficient was (850.
结果表明:观测期间气溶胶散射系数小时平均值为(850。
Through the observing system of water inherent optical properties,which were developed by WETlabs Inc,the backscattering and scattering coefficients of Lake Taihu had been obtained in Oct.
利用Wetlabs公司研制的水体固有光学特性测量系统,于2006-10~2006-11对太湖水体的散射系数和后向散射系数进行了测量。
A formula for calculating the ratio of secondary flowrate to primary flowrate of the supersonic multi nozzle ejector is deduced by using aerodynamics.
应用气体动力学原理,推导了超音速多喷管引射器引射系数的计算公式。
Research of Rf Ion Source and Computer Simulation of Ion Attracting System;
射频离子源研制及引出系统数值模拟
An Experiment and Numerical Stimulate of a Hot-blast Stove System s Gas Injector;
高炉热风炉系统煤气引射器实验及数值模拟
Numerical Simulation of Micro-combustion-ejector Turbine Power Systems
微型引射燃烧卷吸涡轮动力系统数值模拟
Numerical simulation of ejector-ram-rocket propulsion system
引射式火箭冲压组合推进系统的数值仿真
Effects of incoming Mach number on secondary mass flow rate
来流马赫数对引射火箭引射量的影响研究
drag coefficient
牵引系数,阻力系数
acoustical transmission coefficient
声透射系数,透声系数
cupping(ductility) value
压延系数,引伸系数,拉伸系数,深拉系数
Numerical study on the effect of multiple scattering on upward scattering coefficients and diffuse absorption coefficients of medium in water
多次散射对向上漫射散射系数及漫射吸收系数影响的数值研究
Numerical study of the accessorial loop with a micro-pump and ejector for the capillary pumped loop
CPL微泵引射辅助回路的数值研究
Development of Numerical Method and Investigation on Performances of Supersonic Ejectors
超声速引射器的数值模拟方法及其引射特性研究
Central Engine and Radio Jets in Radio-loud Active Galactic Nuclei;
射电强活动星系核中央引擎及射电喷流
k-mapping cipher index scheme as to character data in outsourced databases
外包数据库中字符数据的k-映射密文索引技术
acoustic reflection correction
声音反射的修正系数
solar absorption coefficient
太阳辐射能吸收系数
Reflected power coefficient of a radome
天线罩功率反射系数
Development of Hydrodynamic Drive Device for an Aircraft Ejection Fuel Feed System
飞机燃油引射供输油系统动流源研制