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The Steam Engine

The Steam Engine. Pre-Steam Boilers Atmospheric Engine Condensing Engine Double-Acting Engine. Pre-Steam. Hero of Alexandria 1st Century AD Described Boiler and Reaction Turbine No Suggestion for Useful Application of Device 16th Century - Descriptive Publications

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The Steam Engine

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  1. The Steam Engine • Pre-Steam • Boilers • Atmospheric Engine • Condensing Engine • Double-Acting Engine

  2. Pre-Steam • Hero of Alexandria • 1st Century AD • Described Boiler and Reaction Turbine • No Suggestion for Useful Application of Device • 16th Century - Descriptive Publications • 17th Century - Beginning of Steam’s Practical Usage

  3. Hero’s Engine

  4. Boilers - Types • Shell (1720s) • Kettle on Stove • Inefficient - Loss of Heat • Heat Tube (1750s) • Tredgold - London • Fire Tube (1750s) • Limited in Capacity and Pressure • Susceptible to Explosions • Smeaton • Trevithick (1804) - 65 psi, 25 inch bore, 10 ft stroke

  5. Boilers - Types (continued) • Water Tube (1770s) • Blakey (1766) - First Built • Rumsey (1788) - First Successful • John Stevens - Lawyer (1800s) • First Patents in 1790 • Improved Water Tube (1850s) • Wilcox (1856) • Multiple Inclined Water Tubes • Better Water Circulation • More Heating Surface • Babcock & Wilcox (1866)

  6. Boilers - Construction • Materials • Copper • Cast Iron • Rolled Iron Plates - 5/16” (1795) • Steel • Fabrication • Bolts & Rivets • Welding

  7. Boilers - Explosions • Poor Materials • High Pressure • Pressure Release • Theoretical Considerations • Fabrication Techniques - Rivets • High Heat Input • Poor Distribution of Heat • Direct Heating • Poor Circulation

  8. Haycock’s Shell Boiler (1720)

  9. Tredgold’s Heat Tube (1750)

  10. Blakey’s Water Tube Boiler (1766)

  11. Smeaton’s Fire Tube Boiler (1770)

  12. Wagon - Shell Boiler (1769)

  13. Steven’s Water Tube Boiler (1803)

  14. Trevithick’s Fire Tube Boiler (1804)

  15. Stevens - Water Tube Boiler (1805)

  16. Stephen Wilcox (1856)

  17. Babcock & Wilcox (1867)

  18. Babcock & Wilcox (1887)

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