P11 - Cavitation/NPSH (Field Problems)�
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Date
[2019]
Journal Title
Journal ISSN
Volume Title
Publisher
Turbomachinery Laboratory
Texas A&M Engineering Experiment Station
Texas A&M Engineering Experiment Station
Abstract
Unexpected cavitation erosion
Key parameters to consider for Root Cause Analysis when experiencing cavitation damage
NPSHR, NPSHA, NPSH margin
Performance loss due to insufficient NPSHA (margin)
NPSH 40,000 hours
Cavitation erosion rate and impeller life assessment
Impact of dissolved and/or entrained gas
Pumping hot water or hydrocarbons
Reliability of operating with low NPSHA on hydrocarbons
High cavitation-resistant materials
Common types of pump cavitation, including: sheet cavitation, suction recirculation induced vortex cavitation, corner (vortex) cavitation, and tip vortex cavitation
Suction specific speed
Field cases (suggested by audience) : Quick fix and ultimate solution
Description
Discussion Group