试验和实际工况运行结果表明，新叶轮水力设计方法合理，与流程运行需要相匹配，达到了预期的目的。

Testing and running results show that new hydraulic design methods are reasonable and new impeller matched flow, the Designing and modification gain our ends.

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该方法对于水力定向时的水力参数设计及钻井泵工况选择具有指导意义。

The method noted above has significance for guiding hydraulics and pump working condition design in hydraulic orientation.

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非设计工况下流道的水力损失恒大于相同流量时设计工况下的水力损失，左侧的水力损失大于右侧的水力损失，且不符合二次抛物线变化规律。

The head loss of the left side is always greater than that of the right side, and the head loss curves don't comply with the second order parabolic law.

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