Global ETD Search
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Showing 1 to 2 of 2 for “"Screw propeller"”.
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SCREW PROPELLER DESIGN IN THE 19TH CENTURY GREAT LAKES: A HISTORICAL ANALYSIS OF RICHARD F. LOPER’S PHILADELPHIA WHEEL
Over the course of the mid- to late-1800s, screw propulsion emerged as an economically viable competitor to sail- and sidewheel-propelled commercial vessels in the United States' coastal and interior maritime industries. One of the earliest propeller designs to receive widespread acclaim belonged …
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Analysis and experiments for contra-rotating propeller
Contra-rotating propellers have renewed interest from the naval architecture community, because of the recent development of electric propulsion drives and podded propulsors. Contrarotating propulsion systems have the hydrodynamic advantages of recovering part of the slipstream rotational energy …