Centrifugal Pump Mechanical Design, Analysis, And Testing
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This tutorial discusses hydraulic and mechanical issues that are of primary importance in centrifugal pumps and their systems, and how pump users can best address these issues. It is shown how to concise and orderly review of these issues can be developed that includes specifying installation system requirements, predicting approximate vibration and nozzle load behavior, quantitative evaluation of sealing and monitoring needs, and startup monitoring and assessment. The tutorial examines various design types and options in their selection and analysis. The discussion includes selecting pump design options that allow the user to meet flow requirements, avoiding overstress fractures and cyclic fatigue, and minimizing rotor rubbing and wear. The relationship of these issues to improper warmup cycles, resonance, and recirculation during running off-BEP are presented. In addition, proven methods of analyzing and testing to determine the nature of such issues, and how to establish a system that will also be trouble-free when the key is first turned are reviewed. A number of case histories show by example how best to apply the analysis, evaluation, and test methods. Enough detail is given concerning each method so that the attendees should be able to try the methods back at their plants.
Case, Greg; Marscher, William D. (2001). Centrifugal Pump Mechanical Design, Analysis, And Testing. Texas A&M University. Turbomachinery Laboratories. Available electronically from