ENGRG 9-17-08_Notes - -Joseph Black: had written about...

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Use of Cotton and Iron Shot up exponentially Cast Iron Wrought Iron Blast furnace: Cast Iron uses coke: results called "pigs" because iron looks like pigs suckling at the mother Puddling Furnace (Henry Court 1784): Wrought Iron -Puddler is a skilled worker Reskilling labor vs Deskilling labor Iron Bridge at Coalbrookdale Replace wood with Iron -"Fireproofing" Insurance affects technological choice because it is often cheaper to insure safer/less liable technology ex/ iron columns instead of wood as above Newcomen's steam engine: doubled thermal efficiency from 1% to 2% James Watt (1736-1819): Known to have "invented" the Steam engine only because he did something to make it popular/better
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Unformatted text preview: -Joseph Black: had written about latent heat-watt used that information to improve the engine-Watt added a separate condenser: allowing the main cylinder to stay hot-Doubled Efficiency-Further: created Rotary steam engine with flyball governor-Patent Monopoly: 1775-1800 Steam Railways and Threshers in Britain: (High Pressure engines)-dangerous John Nasmyth Steam Hammer Conclusions: Note the symbiotic relationship between the development of the coal, iron ,and steam-engine industries Newcomen and Watt used scientific experimentation and some existing scientific knowledge to invent steam engines Inventors begin to invent around patent monopolies in this period...
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This note was uploaded on 02/20/2009 for the course ENGRG 2500 taught by Professor Kline during the Fall '08 term at Cornell University (Engineering School).

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ENGRG 9-17-08_Notes - -Joseph Black: had written about...

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