Pump Technology : New challenges -- where next? Churchill College, Cambridge, England 18-20 April, 1989

Front Matter....Pages i-vii On the Flow in a Centrifugal Pump Near Shut-off Head with Positive and Negative Flows....Pages 1-7 Diagnosing Pump Problems from their Noise Emissions Signature....Pages 9-28 Operating Experience with Scrubber Pumps Made from Metallic Materials in Flue Gas Desulphurisation (FGD) Plants Using the Lime Scrubbing Process Based on Limestone....Pages 29-41 Pumps for Flue Gas Desulphurisation — (FGD)....Pages 43-68 A New Approach to the Design of High Capacity Storm and Foul Pumping Stations....Pages 69-86 Energy Cost Management in Water Supply....Pages 87-97 Retrofitting Silicon Carbon Bearings to a Process Pump....Pages 99-104 Seals for Hydrofluoric Acid Applications....Pages 105-126 The Gas-Liquid Performance of a Centrifugal Pump: Priming Using the Shroud Reflux Method....Pages 127-136 Meeting the Challenge of the Modern Chemical Process Pump....Pages 137-160 Design Considerations for Pumping Applications of Variable Frequency Drives....Pages 161-175 On a Pilot Pump Using the Weis-Fogh Mechanism....Pages 177-184 HRC — A New Sealing Concept for Standardized Pumps in the Chemical Industry....Pages 185-196 The Development of Special Seals for Multi Phase Pumping....Pages 197-223 The Development of a Seal for Subsea Pumps — A Challenge for the Seal Manufacturer....Pages 225-244 Development in Pump Condition Monitoring....Pages 245-257 Thermodynamically Based Pump Performance Monitoring....Pages 259-271 The Development of Profiled Mechanical Seal Faces for Positive Liquid Transfer....Pages 273-284