By comparing the calculated water head, shaft power and efficiency with the experimental results, the method was proved to he feasible.
计算了泵的扬程、轴功率和效率，并与试验进行了对比，验证了计算方法的可行性。
Verified by simulation results reliable accuracy of calculated results can not be guaranteed for small head change convergence index unless the error of water balance is small too.
模拟结果同时证实，除非水均衡误差也相当小，否则水头变化收敛指标较小时收敛的计算也不能保证计算结果有可靠的精度。
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