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ηs=(S實(shí)/S大)X100%
=(1.8/2.5)X100%
=72%
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ηN=(N實(shí)/N大)X100%
=(8/12)X100%
=66.67%
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由泵型得知q=500mI/r
Q=1440XqXnXl0-6
=1440X500X120X10-6
=86.4(m3/D)
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h=H泵—H動
=899.3—435.7
=463.6(m)
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H泵=h+H動
=230.4+579.3
=809.7(m)
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P流=P井口+P水柱
=10.2+1000X9.8X980X10-6
=19.8MPa