Hydrofoil cavitation sensing and control apparatus

摘要

A cavitation detection and control system for controlling the movement of a hydrofoil within a safe, cavitation-free, acceleration and speed region. The system utilizes transducers, associated with the hydrofoil propulsion apparatus and associated with the foil/strut apparatus, for sensing the onset and duration of cavitation in the liquid working medium adjacent to or within these apparatus and a receiver for converting the sensed cavitation data into a signal. An alarm device is responsive to that signal so that the helmsman can reduce the thrust for operating the hydrofoil movement within a cavitation-free region. A data storing device is connected to the receivers output for retaining occurrence of the onset and duration of cavitation.