2013-2-27 Overview:History of Thermodynamics First successful steam engine build by Watt? Overview:History of Thermodynamics First successful steam engine designed by Thomas saver y11697 patented a steam-powered pump he called the MnFrid) 1as Newcomen created the first practical steam eng James Watt improved in 1763 to 1784 (75%less coal) 82013-2-27 8 First successful steam engine build by ? Watt? ??? 15 Overview: History of Thermodynamics • First successful steam engine designed by Thomas Savery (1697 patented a steam-powered pump he called the Miner's Friend ) • Thomas Newcomen created the first practical steam engine in 1712. • James Watt improved in 1763 to 1784 (75% less coal) 16 Animation of a schematic Newcomen steam engine. – Steam is shown pink and water is blue. – Valves move from open (green) to closed (red) 汽缸/活塞 水箱 Overview: History of Thermodynamics