Cavitation damage to potential sewer and drain pipe materials

    Research output: Contribution to journalArticleResearchpeer-review

    Abstract

    High-pressure water-jet testing of a range of polymeric and ceramic (clay and concrete) materials was carried out with a view to assessing their performance as potential materials for use in the manufacture of non-pressurised drain and sewer pipes. This work describes test equipment calibration, jetting resistance tests on 20 potential pipe materials, and post-processing of the eroded test samples. The relationships between spatial and temporal fluctuations observed in the water-jet formed the basis for the understanding of the cavitation erosion mechanisms giving rise to the observed damage rates. Mie scattering data provided evidence of droplet and cavity sizes in the cavitating jet upon which initial cavity radii for future Rayleigh-Plesset equation analysis could be based. Those candidate materials with the longest time until the onset of damage (in descending order) for the top five of the materials tested were concrete, clay, 30% (by volume (v/v)) glass-filled nylon, polysulphone, and polyetherimide. The candidate materials capable of resisting the greatest pressure without showing signs of damage for 30. s (in descending order) were polyetheretherketone, clay, polyetherimide, polyphenylene sulphide, and polysulphone.
    Original languageEnglish
    Pages (from-to)92-103
    Number of pages12
    JournalWear
    Volume317
    Issue number1-2
    DOIs
    Publication statusPublished - 15 Sep 2014

    Fingerprint

    sewers
    Sewers
    cavitation flow
    Cavitation
    clays
    hydraulic jets
    Pipe
    damage
    Polyetherimides
    Clay
    Polysulfones
    Rayleigh equations
    PEEK
    cavities
    Nylon (trademark)
    Mie scattering
    Concretes
    test equipment
    Cavitation corrosion
    erosion

    Cite this

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    title = "Cavitation damage to potential sewer and drain pipe materials",
    abstract = "High-pressure water-jet testing of a range of polymeric and ceramic (clay and concrete) materials was carried out with a view to assessing their performance as potential materials for use in the manufacture of non-pressurised drain and sewer pipes. This work describes test equipment calibration, jetting resistance tests on 20 potential pipe materials, and post-processing of the eroded test samples. The relationships between spatial and temporal fluctuations observed in the water-jet formed the basis for the understanding of the cavitation erosion mechanisms giving rise to the observed damage rates. Mie scattering data provided evidence of droplet and cavity sizes in the cavitating jet upon which initial cavity radii for future Rayleigh-Plesset equation analysis could be based. Those candidate materials with the longest time until the onset of damage (in descending order) for the top five of the materials tested were concrete, clay, 30{\%} (by volume (v/v)) glass-filled nylon, polysulphone, and polyetherimide. The candidate materials capable of resisting the greatest pressure without showing signs of damage for 30. s (in descending order) were polyetheretherketone, clay, polyetherimide, polyphenylene sulphide, and polysulphone.",
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    author = "Charles Fairfield",
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    Cavitation damage to potential sewer and drain pipe materials. / Fairfield, Charles.

    In: Wear, Vol. 317, No. 1-2, 15.09.2014, p. 92-103.

    Research output: Contribution to journalArticleResearchpeer-review

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    AB - High-pressure water-jet testing of a range of polymeric and ceramic (clay and concrete) materials was carried out with a view to assessing their performance as potential materials for use in the manufacture of non-pressurised drain and sewer pipes. This work describes test equipment calibration, jetting resistance tests on 20 potential pipe materials, and post-processing of the eroded test samples. The relationships between spatial and temporal fluctuations observed in the water-jet formed the basis for the understanding of the cavitation erosion mechanisms giving rise to the observed damage rates. Mie scattering data provided evidence of droplet and cavity sizes in the cavitating jet upon which initial cavity radii for future Rayleigh-Plesset equation analysis could be based. Those candidate materials with the longest time until the onset of damage (in descending order) for the top five of the materials tested were concrete, clay, 30% (by volume (v/v)) glass-filled nylon, polysulphone, and polyetherimide. The candidate materials capable of resisting the greatest pressure without showing signs of damage for 30. s (in descending order) were polyetheretherketone, clay, polyetherimide, polyphenylene sulphide, and polysulphone.

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