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In a steam engine, the superheater further heats the steam generated by the boiler, increasing its thermal energy and decreasing the likelihood that it will condense inside the engine. [1] [2] Superheaters increase the thermal efficiency of the steam engine, and have been widely adopted. Steam which has been superheated is known as superheated ...
In March 1910, the Central South African Railways placed ten Class 10-2 steam locomotives with a 4-6-2 Pacific wheel arrangement in service, of which five were built with and five without superheaters. In 1912, when the five superheated locomotives were assimilated into the South African Railways, they were renumbered and designated Class 10B.
They were constructed as saturated steam engines, rebuilt with superheaters later as class B6s, and had Piston valves and Stephenson valve gear. A total of 79 were built by Baldwin and Lima, in addition to Altoona, between 1902 and 1913. [1] The next version built was the B6sa, 55 of which were built at Altoona during 1913–1914.
Superheated steam was widely used in main line steam locomotives. Saturated steam has three main disadvantages in a steam engine: it contains small droplets of water which have to be periodically drained from the cylinders; being precisely at the boiling point of water for the boiler pressure in use, it inevitably condenses to some extent in the steam pipes and cylinders outside the boiler ...
For further trials with superheated steam on the Ilsenburg – Wernigerode railway, there was a trials organisation near Wernigerode station. It was here that Schmidt founded the Schmidt Superheated Steam Company (Schmidtsche Heissdampfgesellschaft). By using superheated steam the thermal efficiency of a steam engine could be raised by as much ...
The engine worked as a two-cylinder simple on starting, changing over to compound expansion automatically. A superheater was fitted in 1914, and the engine was rebuilt as a two-cylinder simple in 1917; the new cylinders were outside, 20 by 26 in (510 by 660 mm) of the type used on class H3, driving the leading coupled wheels. It was withdrawn ...
Print/export Download as PDF; Printable version; ... Superheater, for steam engine superheat; Superheat, live 2000 album by Dutch band The Gathering
The water comes (8), and goes into pipes (9). Warmed by the combustion of the fuel (came in 3), steam bubbles forming in these pipes, and arrives in the drum (7). Then steam goes (through 6) in smaller pipes (10) and being superheated here. At last, superheated steam goes to engine room (5).