Figure 1: Cavitation pattern on the propeller of the research catamaran Frans Hendrik Lafeber Figure 2: Noise map of the Dutch and German EEZ’s in the N. Sea. As underwater radiated noise levels in ...

This paper describes investigations of the dynamics and acoustics of clouds of cavitation bubbles. Recent experimental and computational findings show that the collapse of clouds of cavitating bubbles ...

QinetiQ has recently completed sea trials of a new composite propeller in Falmouth Bay, UK. With a 2.9 metre diameter it is the world’s largest propeller. However, despite its immense proportions it ...

Increasing levels of underwater noise generated by shipping can threaten marine mammals and fish, which rely on sound to navigate, communicate and find food. Now a new technology capable of reducing ...

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