Abstract
Bubble implosion during cavitation causes the emission of pressure waves which can be measured by pressure transducers as liquid-borne sound or by accelerometers at the outside of the pump casing as solid-borne sound. The fundamentals of noise generation in liquids by multipoles and of sound propagation in closed chambers are discussed. It is demonstrated that cavitation noise is proportional to the square of the speed which is confirmed by test results. From the sound measured by a pressure transducer within the reverberating field the strength of the source can be estimated.
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© 1990 Kluwer Academic Publishers
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Guelich, J.F. (1990). Cavitation Noise in Centrifugal Pumps. In: Montalvão e Silva, J.M., Pina da Silva, F.A. (eds) Vibration and Wear in High Speed Rotating Machinery. NATO ASI Series, vol 174. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-1914-3_7
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DOI: https://doi.org/10.1007/978-94-009-1914-3_7
Publisher Name: Springer, Dordrecht
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