الفهرس 
Definitions.Only 14 pages are availabe for public view
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Abstract
a study was conducted in flow induced vibration occurs in centrifugal pump when locked in natural frequency of connected system and how to mitigate this phenomenon, flow versus vibration spectrum water fall experiment was included in this study in addition to complete explanation of the flow induced vibration phenomenon and vortex shedding.frequency calculation at impeller blade tip.