Cavitation instabilities and rotordynamic effects in turbopumps and hydroturbines : turbopump and inducer cavitation, experiments and design /
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Imprint: | Cham : Springer, 2017. |
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Description: | 1 online resource |
Language: | English |
Series: | CISM International Centre for Mechanical Sciences. Courses and lectures ; volume 575 Courses and lectures ; v. 575. |
Subject: | |
Format: | E-Resource Book |
URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/11272544 |
Table of Contents:
- Preface; Contents; 1 An Introduction to Cavitation in Inducers and Turbopumps; Abstract; 1 General Aspects of Cavitation; 2 Cavitation Nuclei; 3 Forms and Occurrence of Cavitation; 4 Classical Theory of Cavitation Scaling; 5 Cavitation and Bubble Dynamics; 6 Thermal Cavitation Effects; 7 Steady Cavitation in Turbomachines; 8 Flow-Induced Instabilities in Turbomachines; 9 Flow Stability of Pumping Systems; 10 Flow Stability of Cavitating Turbopump Systems; 11 Conclusions; References; Experimental Methods for the Study of Hydrodynamic Cavitation; 1 Introduction.
- 2 Characterization and Management of Water Quality2.1 Dissolved Gas Content; 2.2 Free Gas Content and Cavitation Nuclei; 2.3 Direct Measurement of the Cavitation Nuclei Distribution; 2.4 Indirect Measurement of the Cavitation Nuclei Distribution; 2.5 Management of Water Quality; 3 Detection and Measurement of Incipient Cavitation; 3.1 Detection of Inception with Acoustic, Vibration, and Force Measurements; 3.2 Optical Measurement and Light Scattering for Inception Detection; 4 Optical Measurement of the Cavitating Flow Field; 4.1 High-Speed Imaging.
- 4.2 Laser Doppler Velocimetry and Light Scattering Methods4.3 Particle Imaging Velocimetry; 5 Measurement of Cavity Flows with High Void Fraction; 5.1 Surface Pressure, Acceleration, and Forces; 5.2 Electrical Impedance Probes; 5.3 Fiber Optic Probes; 5.4 Ionizing Radiation; References; 3 An Introduction to Flow-Induced Instabilities in Rocket Engine Inducers and Turbopumps; Abstract; 1 Introduction; 2 Rotating Stall; 3 Rotating Cavitation; 4 Other Rotating Instabilities; 5 Cavitation Surge; 6 Higher Order Cavitation Instabilities; 7 Conclusions and Perspectives; References.
- 4 Three-dimensional Simulation of Cavitation Instabilities1 Three-Dimensional Simulation of Cavitation Instabilities; 1.1 Simulation of Alternate Blade Cavitation (Kang et al. 2009a); 1.2 Simulation of Rotating Cavitation; 2 Suppression of Rotating Cavitation Using a Circumferential Groove on the Casing; 2.1 Design of Circumferential Grooves; 2.2 Flow Characteristics; 2.3 Experimental Results; 2.3.1 Non-cavitating Performance; 2.3.2 Suction Performance; 2.3.3 Cavitation Instabilities; 2.3.4 Cavity Geometry; 2.3.5 Propagation of Backflow Vortex Cavity.
- 2.4 Cause of Higher Frequency Oscillations2.4.1 Unsteady Calculation; 2.4.2 Rotating Modes Due to Interaction; 3 Conclusions; Acknowledgements; 5 Rotordynamics of Turbopumps and Hydroturbines; 1 Introduction; 2 Example of Forced and Self-Excited Vibrations in Pumps; 3 Effects of Rotordynamic Force and Moment on Rotordynamic Instability; 4 Rotordynamic Forces on Centrifugal Impellers; 4.1 Two-Dimensional Impeller in a Vaneless Space; 4.2 Interaction with Volutes and Vaned Diffusers; 4.3 Rotordynamic Forces on the Shroud; 4.4 Rotordynamic Problem in a Rocket Turbopump.