Double and Triple-Expansion Steam Engines-Power Another Cylinder Ships

Double and Triple-Expansion Steam Engines

Earliest ships Earliest Sailing Vessels Galleys Biremes Triremes Roman Galleys Dromons Lateen-Rigged Ships Junks Viking Ships Cog Carrack Caravel Galleon East Indiamen Ships of the Line Frigates, Sloops, and Brigs Clippers Last Days of Sail Fuel powered ships Paddlewheel Steamships Innovative Ships of the Late 19th Century The Screw Propeller Iron and Steel Hulls Double and Triple Expansion Steam Engines Steam Turbines Diesel Engines The Great Ocean Liners Cruise Ships Cargo Ships Container Ships Roll-On-Roll-Off and LASH Vessels Tankers Crude Carriers Product Tankers Other Specialized Tankers Tanker Safety Fishing Vessels Trawlers Seiners Long Liners Research Vessels Hovercraft Nuclear-Powered Vessels Naval Vessels Aircraft Carriers Battleships Cruisers Destroyers Frigates Mine Craft ship design
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SUBMARINES Submersible Craft Torpedo (weapon)
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Harnessing the power of steam marked a significant step in technology. The introduction of the steam engine led to many new inventions, most notably in transportation and industry. Steam engines transfer the energy of heat into mechanical energy, often by allowing steam to expand in a cylinder equipped with a movable piston. As the piston moves up and down (or alternatively, from side to side), an attached arm converts this motion into parallel motion that drives a wheel. Models of the steam engine were designed as early as 1690, but it was not until 70 years later that James Watt arrived at the design of the modern steam engine. Steam engines also improved significantly. In early steam engines, steam from the boiler was directed to a cylinder, where it drove the movement of a single piston before it was expelled. These single-expansion engines wasted some of the steam's energy. More efficient double-expansion engines used the steam expelled from one cylinder to power another cylinder. By 1873 even more efficient triple-expansion engines came into use (Double and Triple-Expansion Steam Engines, Harnessing Early Ships, Step in Technology Ships, Power Another Cylinder Ships).

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