贯流泵 tubular type axial flow pump; tubular-type axial flow pump
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Theoretical study on energy equilibrium of pulsed liquid jet pump 脉冲液体射流泵能量平衡的理论研究
The calculating results of time - averaged efficiency of pullsed liquid jet pump are approximately in agreement with the experimental results in our and foreign countries 脉冲液体射流泵时均效率的计算结果与国内外的试验结果基本一致。
The theoretical and experimental results show that the efficiency of transmission of energy and mass to use pulsed jet is greatly raised , compared with steady jet , in the same device of liquid jet pump 结果表明,在相同的液体射流泵装置上,采用脉冲射流比恒定射流的传能及传质效率有较大的提高。
According to the experimental data of the time averaged performance and the geometric size of the pulsed liquid jet pump , an empirical formula for the fundamental performance of this kind of pump is proposed 依据脉冲液体射流泵时均值性能试验数据和其几何尺寸,经分析与计算给出了脉冲液体射流泵时均值基本性能的经验公式。
Abstract : the influence of the main factors on device efficiency of pulsedliquicd jet pump with gas - liquid piston is analysed , the theoretical equation and its time - averaged solution of pulsed liquid jet pump device efficiency are derived 文摘:对影响气液活塞式脉冲液体射流泵装置效率的主要因素进行分析,导出了脉冲液体射流泵装置效率理论方程及其理论方程的时均解。
The calculation formulas for velocity coefficients 2 and 5 for the throat and throat inlet section were deduced from the theoretical research on the velocity coefficients in time - averaged basic equations by use of the unsteady momentum equation and time - averaged value calculation method 摘要运用非恒定的动量方程和时均值计算方法,对脉冲液体射流泵时均值基本方程中的流速系数进行了理论研究,推导出了喉管和喉管进口段流速系数2和5的计算式。