Презентация на тему The history of invention of the steam turbine

pressurized steam and uses it to do mechanical work

on a rotating output shaft.

STEAM TURBINE

appeared in the 19th century, and by the time,

when was started production of cars, running on gasoline, they were already distributed.

the century of steam. With the invention of the

steam engine was a real revolution in the industry, energy and transport. It became possible to mechanize the work that previously required too many people's hands.

engine power. However, initially a high power was not

a specification of steam turbine...

potential energy of water into kinetic energy of the

rotating shaft has been known since ancient times. The steam turbine has as a long history, it is one of the first designs known under the name "Heron's turbine" and dates from the first century BC. However, until the XIX century, steam turbines was rather toys than real industrial application devices.

revolution in Europe, after extensive practical application D. Watt's

steam engine, inventors have to look closely to the steam turbine

of the physical properties of steam and laws of

it's expires. Its production was possible only with a relatively high level of technology of working with metals, as the needs precision of production of parts and strength of the elements were significantly higher than in the case of the steam engine.

and the hour of practical application of steam turbine

has come. First primitive steam turbines were used in sawmills in the Eastern U.S. in the years 1883-1885.

blades. Jet of steam, produced in the boiler, comes

out of the pipe (nozzle), pushes on the blades, and spins the wheel. During the experimenting with different tubes for steam, the designer came to the conclusion that they must be in the form of a cone. Thus appeared the applied to the present Laval nozzle (patented in 1889). This important discovery inventor made, rather, intuitively was needed several decades to theorists have shown that the nozzle of such form gives the best effect.

Invention of Carl Gustaf Patrik De Laval (1845-1913)

and three years later he got a patent for

its own design: the Parsons connected the steam turbine to a generator of electricity. With the turbine was possible to generate electricity, and it immediately raised the interest of the society to the steam turbines. As a result of 15-year research, Parsons created the most advanced for those times reactive multistage turbine. He made a few inventions that have improved efficiency of the device (Advanced seal design, methods of fastening of the blades in the wheel, speed control system).

Charles Algernon Parsons (1854-1931)

the original multi-stage turbine, which was successfully demonstrated at

the World's Fair, held in the French capital in 1900, For every stage of the turbine Rateau calculated optimum pressure drop, which ensured a high overall efficiency of the machine.

Auguste Rateau (1863-1930)

lower, and energy of steam use a completely. Therefore

Curtiss turbines were smaller and of more robust design. One of the main applications of steam turbines is propulsion of ships. The first ship with steam turbine engine - "Turbinia" - was built by Parsons in 1894, developed a speed of 32 knots (about 59 km / h).

Glen E. Curtis (1879 - 1978)

on coal, peat and wood

limited quantities: from 1923 to 1932 was made only

42 copies. The sample in the picture is dated 1929.

of factory in Stratford, Ontario, in 1926.

Although, the surge of interest in the postwar years

was - in connection with the creation of compact turbine engines.