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Cavitation - OSTI GOV

Summarized by Plex Scholar
Last Updated: 10 January 2023

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A Phenomenological Model for Cavitation

For cavitation onset, a phenomenological model of cavitation has been presented, based on findings that cavitation onset requires both significant relative negative pressures and extended negative time derivatives of pressure. To determine cavitation scaling parameters for relative pressure drop and rate of pressure decline, we conducted two cavitation experiments. The magnitude of blast overpressure measured in field data, according to the results, is sufficient to cause intracranial cavitation. When density functions of cavitation probability versus cumulative brain volume are combined with an injury severity model, helmet effectiveness is shown at both low and moderate risk levels. While the present work contributes to concrete and quantified predictions of intracranial cavitation location and severity, more research is needed to apply our findings to clinical settings with population-based brain injury subjects and controls.

Source link: https://www.osti.gov/biblio/1810237

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions