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pipeline resistance中文是什么意思

  • 管道阻力

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  • It is indicated that , when a two - speed motor is used for driving oil transfer pump , the motor with the characteristic of torque reduction on square rotary speed should be chosen ; the working economy of the variable speed pump is restricted by the characteristic curves of pipeline resistance , and its speed control range is restricted by the pipeline resistance characteristic curve , the pressure head needed by the system and the working characteristic of the pump ; when several pumps work in parallel , the pump with better performance should be changed into speed - variable pump
    指出双速电动机用于输油泵的调速时,应选用转矩按转速平方降低特性的电动机;调速泵的运行经济性受到管路阻力特性曲线的限制,其调速范围受到管路阻力特性曲线、系统所需扬程和泵运行特性的限制;在母管制系统中把部分定速泵改为调速泵时,应将性能较高的定速泵改为调速泵。
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Last modified time:Tue, 19 Aug 2025 00:29:56 GMT

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