Tensile Strength of Water Exposed to Pressure Pulses

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It is well known that pressurization for an extended period of time increases the tensile strength of water, but little information is available on the effect of pressure pulses of short duration. This is addressed in the present paper where we first measure the tensile strength of water at an extended water-solid interface by imposing a tensile stress pulse which easily causes cavitation. Next, a compressive pulse of duration ~1 ms and a peak intensity of a few bar is imposed prior to the tensile stress pulse. A dramatic increase of the tensile strength is observed immediately after the compressive pulse, but the effect is shortlived. We presume that diffusion of non-condensable gas from the cavitation nuclei into the liquid at compression, and back again later, is responsible for the changes of tensile strength.
Original languageEnglish
Title of host publicationProceedings of the Eighth International Symposium on Cavitation (CAV 2012)
Number of pages6
Publication date2012
ISBN (Print)978-981-07-2826-7
Publication statusPublished - 2012
EventEighth International Symposium on Cavitation - Singapore, Singapore
Duration: 13 Aug 201216 Aug 2012
Conference number: 8


ConferenceEighth International Symposium on Cavitation
Internet address


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