Fundamentals of Cavitation

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

4 Citations (Scopus)

Abstract

This article describes the fundamental phenomena of cavitation. The distinctive characteristics of cavitation in the marine applications, especially in the propellers, are introduced. This article explains first the quasi-steady processes in phase transitions of pure substances. Next, the bubble dynamics are explained as well as the Rayleigh-Plesset equation that is used to describe the single bubble dynamics in a liquid medium. The bubble stability and its effect on cavitation inception are also discussed. The noise and erosion that may be induced by cavitation bubble or cavitating cloud collapse are shortly introduced. The common cavitation types on marine propellers and the conditions in which they occur are described. The cavitation types are demonstrated by photographs of cavitating model propellers. Finally, the dynamics of sheet and tip vortex cavitation are explained in more detail. The inception conditions and the shedding mechanisms of sheet cavitation are explained. The potential flow vortex model is introduced as well as the viscous effects in the vortex core. The disturbances in the vaporous vortex core are discussed shortly.
Original languageEnglish
Title of host publicationEncyclopedia of Maritime and Offshore Engineering
EditorsJohn Carlton, Paul Jukes, Choo Yoo Yang
PublisherWiley
ISBN (Electronic)978-1-11847640-6
ISBN (Print)978-1-11847635-2
DOIs
Publication statusPublished - 1 Mar 2017
MoE publication typeD2 Article in professional manuals or guides or professional information systems or text book material

Publication series

NameAdvances in Mechanical Engineering
PublisherSAGE Publications
ISSN (Print)1687-8132

Fingerprint

Cavitation
Vortex flow
Propellers
Bubbles (in fluids)
Marine applications
Potential flow
Erosion
Phase transitions
Liquids

Keywords

  • cavitation
  • phase change
  • cavitation bubble
  • cavitation inception
  • sheet cavitation
  • tip vortex cavitation
  • erosion
  • noise

Cite this

Sipilä, T. (2017). Fundamentals of Cavitation. In J. Carlton, P. Jukes, & C. Y. Yang (Eds.), Encyclopedia of Maritime and Offshore Engineering Wiley. https://doi.org/10.1002/9781118476406.emoe101
Sipilä, Tuomas. / Fundamentals of Cavitation. Encyclopedia of Maritime and Offshore Engineering. editor / John Carlton ; Paul Jukes ; Choo Yoo Yang. Wiley, 2017.
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Sipilä, T 2017, Fundamentals of Cavitation. in J Carlton, P Jukes & CY Yang (eds), Encyclopedia of Maritime and Offshore Engineering. Wiley. https://doi.org/10.1002/9781118476406.emoe101

Fundamentals of Cavitation. / Sipilä, Tuomas.

Encyclopedia of Maritime and Offshore Engineering. ed. / John Carlton; Paul Jukes; Choo Yoo Yang. Wiley, 2017.

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

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Sipilä T. Fundamentals of Cavitation. In Carlton J, Jukes P, Yang CY, editors, Encyclopedia of Maritime and Offshore Engineering. Wiley. 2017 https://doi.org/10.1002/9781118476406.emoe101