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water pumping well
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  抽水井的
    Energy conversion of water pumping well is analyzed from the aspects of work and energy.
    本文试图从功和能的角度分析抽水井的能量转化。
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Energy conversion of water pumping well is analyzed from the aspects of work and energy. The process of water pumping is to lift water from underground to ground surface by inputting energy to pumping equipments. Work input to water pumping equipments is the main reason for water head lowering. According to Law of Conservation of Energy work put out by pumping equipment is partially consumed by resistance of well tubes and partially transmitted to well...

Energy conversion of water pumping well is analyzed from the aspects of work and energy. The process of water pumping is to lift water from underground to ground surface by inputting energy to pumping equipments. Work input to water pumping equipments is the main reason for water head lowering. According to Law of Conservation of Energy work put out by pumping equipment is partially consumed by resistance of well tubes and partially transmitted to well bottom to drive groundwater gathering to well.

本文试图从功和能的角度分析抽水井的能量转化。抽水过程是通过抽水设备输入一定能量,克服井管内外的摩阻,把水由地下提升到地表的作功过程。抽水设备输入的有用功是决定水井出水量分配和产生能量转化,即引起水头下降的根本原因。按能量守恒定律,抽水设备输出的有用功,一部分消耗于井管内的阻力损失;另一部分传递到井底推动地下水向井汇流。

 
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