International Journal of Fluid Machinery and Systems

Korean Society for Fluid machinery (한국유체기계학회)
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Design and performance research of a mixed-flow submersible deep well pump

  • Zhang, Qihua (National Research Center of Pumps, Jiangsu University) ;
  • Xu, Yuanhui (National Research Center of Pumps, Jiangsu University) ;
  • Cao, Li (National Research Center of Pumps, Jiangsu University) ;
  • Shi, Weidong (National Research Center of Pumps, Jiangsu University) ;
  • Lu, Weigang (National Research Center of Pumps, Jiangsu University)
  • Received : 2014.11.18
  • Accepted : 2015.09.10
  • Published : 2016.09.30
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Abstract

To meet the demand of higher handling capacity, a mixed-flow submersible deep well pump was designed and tested. The main hydraulic components are made of plastics, which is free of erosion, light-weight, and environment-friendly. To simplify plastic molding process, and to improve productivity, an axial-radial guide vane was proposed. To clarify its effect on the performance, a radial guide vane and a space guide vane are developed as well. By comparison, the efficiency of the pump equipped with the axial-radial guide vane is higher than the radial guide vane and is lower than the space guide vane, and its high efficiency range is wide. The static pressure recovery of the axial guide vane is a bit lower than the space guide vane, but it is much larger than the radial guide vane. Taking the cost and molding complexity into consideration, the axial-radial guide vane is much economic, promoting its popularity for the moderate and high specific speed submersible deep well pumps.

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References

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