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P11 - Cavitation/NPSH (Field Problems)�
(Turbomachinery LaboratoryTexas A&M Engineering Experiment Station, [2019])
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 ...
P5 - Pump Cavitation - Physics, Prediction, Control, Troubleshooting
(Turbomachinery LaboratoryTexas A&M Engineering Experiment Station, [2019])
This short course gives insight into roto-dynamic pump cavitation and provides deeper understanding of particulars like cavitation inception, three-percent head drop, 40,000 hours life criterion, cavitation damage potential, ...
Vibration Field Problem Resolved with Analytical Diagnostic Approach and Innovative Impeller Design
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)
Several pumps of same design exhibited field vibrations above API limits, dominated by Vane Passage Frequency (VPF). Root cause analysis included both experimental and theoretical paths.Experimental investigation , with ...
Fast and Ultimate Vibration Field Solution: From Problem Detection to Field Performance Validation
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)
Improvement of Pump/Plant Performance by Sound Evaluation of Both Process Fluid Viscosity Change and Pump Internal Leakage
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)
In the modern pump industry, processed fluids are characterized by a wide spectrum of viscosity values. An unpredicted variation of actual process fluid properties, including viscosity, may lead to unexpected pump performance ...