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Explore the evolution of nuclear energy technology from its basics to future advancements. Learn about current generation reactors and upcoming Generation IV technologies, emphasizing safety, efficiency, and sustainability.
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Nuclear Energy Technology: Present and Future Grant T. Offord Energy Technology Presentation The University of Texas at Austin November 20, 2007
Outline • Why Nuclear Energy? • Basics • Technology • Present • Future • Conclusions Image courtesy 20th Century Fox
Why Nuclear Energy? • Vast Fuel Supply • Breeder reactors • Seawater extraction • Benign Operation • Plant safety • Environment • Base Load Generation • Capacity factor > 90% Image courtesy Flyingpanther Photography
Reactor Types • Thermal Reactors • 3-4% U-235 Fuel • Moderator • Water coolant • Fast Reactors • Fissile fuels • Unmoderated • Liquid metal coolant Illustration courtesy GSU HyperPhysics
Fuel Cycle Illustration courtesy UIC
Current Technology (Generation III+) • PWR • AP1000 (APWR) • EPR • BWR • ESBWR Illustrations courtesy Wikipedia
Future Technology (Generation IV) • SCWR • Thermal Reactor • Efficiency: 45% • GFR • Fast Reactor • Actinide management • On-site reprocessing Depictions courtesy Idaho National Laboratory
Conclusions • It’s necessary. • It’s safe. • It’s for the long run. Image courtesy The Middle East Interest
References Cohen, B. L. “Breeder reactors: A renewable energy source,” Am. J. Phys. 51(1), Jan. 1983 EIA, “World Energy Consumption and Carbon Dioxide Emissions, 1990-2025,” 2004 Wikipedia, www.wikipedia.org Uranium Information Centre, “The Nuclear Fuel Cycle,” http://www.uic.com.au/nfc.htm HyperPhysics, “U-235 Fission,” http://hyperphysics.phy-astr.gsu.edu G. Vanderheyden, “New Nuclear Plants: A New Model,” UniStar Nuclear Presentation, 2006 Diamond, “Generation IV Nuclear Energy Systems,” Brookhaven Nat’l Lab Presentation, 2003