Cavitation is essentially a wild bit of physics that turns water — a ship's best friend — into a weapon with a massive destructive potential. It can happen around a ship's propeller and can eat ...

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 ...

Out of sight and out of mind, sailboat propellers are often an afterthought for cruising sailors. Ironically, because manufacturers have developed a variety of efficient sailboat propellers designed ...

The Kiel University of Applied Sciences (HAW Kiel) has started a research project dedicated to a problem that research has been grappling with for almost 20 years: the low-frequency underwater sound ...

MAN Diesel & Turbo optimizes the efficiency of ship propellers using cutting-edge CFD simulation methods The layout of ship propellers is a balancing act between optimal power conversion and the ...

Combination of carbon, glass and epoxy resin produces a strong replacement for nickel/aluminum/bronze metal, the current propeller standard. Damage-tolerant reinforcing fabric strengthens highly ...

Sir Charles Parsons, who invented the steam turbine in 1884, couldn't figure out why his revolutionary steam-driven yacht Turbinia could only manage a measly 19 knots when his calculations suggested ...

Finnish engineering firm, Wärtsilä, has successfully collaborated with marine engineering researchers at City University London to identify the specific design parameters creating the risk of 'singing ...