Marine steam engine - Wikipedia
WEBA quadruple-expansion engine expands the steam in four stages, and so on. [40] However, as explained above, the number of expansion stages defines the engine, not the number of cylinders, e.g. the RMS Titanic had four-cylinder, triple-expansion engines. [44]
Compound, Triple and Quadruple Expansion Engines - Shipping …
WEBQUADRUPLE-EXPANSION ENGINES were built in 1914 for the Well Line steamship Springwell by the North-Eastern Marine Engineering Company. These engines indicated 4,400 horsepower at eighty revolutions a minute, with a …
The Marine Steam Engine by Sennett - Naval History.Net
WEBMar 10, 2015 · In many cases in the mercantile marine the stage expansion principle is carried still further, and quadruple expansion engines fitted, dividing the expansion into four stages, the boiler pressures being generally 200 lbs. per square inch, and in some cases 250 lbs. per square inch.
Compound steam engine - Wikipedia
WEBThe result is the multiple-expansion engine. Such engines use either three or four expansion stages and are known as triple- and quadruple-expansion engines respectively. These engines use a series of double-acting cylinders of progressively increasing diameter and/or stroke and hence volume.
Marine Engineering - Steamship Historical Society
WEBSep 25, 2017 · With multiple cylinders, expansion engines reused steam more than once, making them more efficient. Expansion engines have sequentially larger diameter pistons, utilizing the expansion and pressure drop of steam to move the pistons.
Engineering Branch Training - Part 3 - Maritime
WEBTriple Expansion Engines-In ocean going ships engines with at least three cylinders are used. These are known as triple expansion because the steam expands three times.
Steam Power Comes Alive - Ocean Liners Magazine
WEBFeb 22, 2018 · Beating at the heart of many late 19th and early 20th century ocean liners, including White Star Line’s Majestic (1890), were massive triple- and quadruple-expansion steam engines.
John Elder - Scottish Engineering Hall of Fame
WEBIt allowed the extension of steam power to cargo liners and tramp ships, and greatly accelerated the substitution of steam for sail in the world's shipping. To this should be added his patent for triple and quadruple expansion marine engines, foreshadowing later 19th century developments.
Improvements in Marine Quadruple Expansion Steam Engines.
WEBCompound &c. engines.-A quadruple expansion engine for use in propelling ships with side paddlewheels is arranged to work either as a single engine or as two independent compound engines.
Steam engine - Wikipedia
WEBIt is a logical extension of the compound engine (described above) to split the expansion into yet more stages to increase efficiency. The result is the multiple-expansion engine. Such engines use either three or four expansion stages and are known as triple-and quadruple-expansion engines respectively. These engines use a series of cylinders ...
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