| Popis: |
This chapter discusses the occurrence of cavitation and cavitation noise in hydrodynamics. Principles of bubble equilibrium and nonlinear dynamics will be applied to obtain rules describing the inception of frequently encountered types of cavitation. In this chapter single bubble will be used to derive general and practical scaling procedures for hydrodynamically induced cavitation noise in terms of physically measurable quantities. Less noisy types of bubble noise, such as noise emanating from the formation and splitting of bubbles which cause simple harmonic oscillations of bubble walls, will be described. Finally, splash noise and some of its practical consequences will be examined briefly. |
