Engines

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Referat, Hausaufgabe, Engines
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Referat
ENGINES a speech from Thomas Braunsdorfer Inhaltsverzeichnis THE STEAM ENGINE The knowledge that steam could produce energy is about 2000 years old. An Egyptian engineer called Hero made a machine called aeolipile in which steam drove round a metal sphere. The aeoliopile was a toy with no practical use, but it showed that steam could be a source of energy. The modern history of steam power began with a French scientist, Denis Papin (1647-1712). He invented the pressure cooker and a simple steam pump to provide the power of fountains. In 1690 Papin had the idea of building an engine in which steam would raise a piston inside a cylinder, creating a vacuum as it rose. This was the principle of later steam engines, but Papin never managed to make an engine that worked. The miner s friend The ...

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3213
Art:
Fachbereichsarbeit
Sprache:
Englisch
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