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Position: Home > Articles > Performance prediction of double-channel pumps Transactions of the Chinese Society of Agricultural Engineering 2003,19 (4) 133-135

双流道泵性能预测的研究

作  者:
刘厚林;袁寿其;施卫东;孔繁余
单  位:
江苏大学流体中心
关键词:
双流道泵;性能预测;水力损失
摘  要:
通过对双流道泵叶轮和蜗壳里的水力损失、容积损失、机械损失的分析 ,提出了双流道泵扬程曲线、效率曲线的性能预测方法。分别给出了双流道泵叶轮和蜗壳内各种摩擦损失、扩散损失 ,及主要局部损失的计算方法。性能预测实例表明预测结果具有较高的精度。
译  名:
Performance prediction of double-channel pumps
作  者:
Liu Houlin, Yuan Shouqi, Shi Weidong, Kong Fanyu (Fluid Center,Jiangsu University, Zhenjiang 212013, China)
关键词:
double channel pump; performance prediction; hydraulic loss
摘  要:
On the basis of analyses of hydraulic losses, volume losses and machinery losses of impellers and volutes of double channel pumps, the performance prediction methods of the head curve and efficiency curve of double channel pump were provided. The calculation methods of friction losses, diffuser losses and main local hydraulic losses of impellers and volutes of double channel pumps were given. The examples of performance prediction show the performance prediction methods provided by this paper have a high precision.

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