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    NPSHR (NPSH3) Improvement of a Low Pressure Safety Injection Pump

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    01_Visser.pdf (2.580Mb)
    Date
    2018
    Author
    Visser, Frank
    Ketelaar, Mark
    Metadata
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    Abstract
    This case study discusses the rerate of a set of vertically-mounted single-stage end-suction centrifugal pumps used for low pressure safety injection (LPSI) in a nuclear power plant. The original LPSI pumps were supplied early 1970s and for safety purposes it was decided to overhaul these pumps to improve NPSHR (i.e. NPSH3). The rerate consisted of replacing the existing impeller with a new design yielding close to identical head performance characteristic, yet lower NPSHR. Aim was to improve NPSHR by (minimally) 0.5 m (1.64 ft) at rated capacity of 682 m3/h (3003 USGPM) and 1470 r/min running speed, and demonstrate by test the actual improvement in NPSHR
    URI
    https://hdl.handle.net/1969.1/174970
    Description
    Case Study
    Subject
    Pumping machinery
    Collections
    • Turbomachinery and Pump Symposia
    Citation
    Visser, Frank; Ketelaar, Mark (2018). NPSHR (NPSH3) Improvement of a Low Pressure Safety Injection Pump. Turbomachinery Laboratory, Texas A&M Engineering Experiment Station. Available electronically from https : / /hdl .handle .net /1969 .1 /174970.

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