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

    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