Transcription of PUMP DESIGN - Arrakis
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Arrakis 1 PUMP DESIGN PUMP DESIGN de Jongh & Rijs, editors Latest update: March 2004 Arrakis 2 PUMP DESIGN CONTENTS 1 Classification of Water pumps .. 3 Piston pumps .. 4 Centrifugal pumps .. 7 2 The Single-acting Piston Pump .. 8 Torque and 8 Volumetric and Mechanical Efficiency .. 11 Non-stationary Behaviour and Valve Response .. 12 3 Coupling of a Pump to a Wind Rotor .. 15 DESIGN Point Matching .. 16 Long Term Output and Output Availability .. 17 4 Pump Rod 19 Examination of Pump Rod 20 Pump Rod 23 5 Choosing the Pump 23 Matching the DESIGN Wind Speed .. 24 Choosing the Pump 26 Choosing the Pump Stroke .. 27 Controlling the Pump Rod 6 Choice of Materials .. 28 Pump 29 Cylinder .. 29 Pump 29 Rising 30 Piston Sealing .. 30 7 Materials and Corrosion .. 30 Erosion 30 Cavitation Corrosion.
gradient). The geometry of the pump is changed periodically and determines the flow in both supply and delivery system. In a positive displacement pump there is no direct communication between the suction and discharge circuit. As a rule, a positive displacement pump is self-priming. A general classification of pump is given in the Figure 1.
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