Transcription of Experiment 9: Centrifugal Pump
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Experiment 9: Centrifugal Pump
Hydraulics Lab - ECIV 3122 Experiment (9): Centrifugal Pump Experiment 9: Centrifugal Pump Introduction: pumps fall into two main categories: positive displacement pumps and rotodynamic pumps . In a positive displacement pump, a fixed volume of fluid is forced from one chamber into another. One of the oldest and most familiar designs is the reciprocating engine, utilising a piston moving inside a cylinder. Steam pumps , the 'nodding donkey', stirrup pumps and hydraulic rams are all of this type. Animal hearts are also positive displacement pumps , which use volume reduction of one chamber to force flow into another chamber. The FM50 pump is, by contrast, a rotodynamic machine. Rotodynamic (or simply dynamic) pumps impart momentum to a fluid, which then causes the fluid to move into the delivery chamber or outlet.
particular setting does not ever correspond to the efficiency chosen, note whether the efficiency would lie above the line or to the right of the pump performance curve. Join the marked points to form a smooth curve. Repeat for other efficiency values. for example 35%.45% and 5090. to give a family of efficiency curves.
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