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Lindsay Bailey Chris McGuffey Spring 2005

Lindsay Bailey Chris McGuffey Spring 2005. Outline. Advantages of Fusion over Fission Theory behind two methods to obtain fusion: Inertial confinement Magnetic confinement Apparatus Results and success rate Future of Fusion . www1.union.edu/ ~surmanr/phys160/.

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Lindsay Bailey Chris McGuffey Spring 2005

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  1. Lindsay Bailey Chris McGuffey Spring 2005

  2. Outline • Advantages of Fusion over Fission • Theory behind two methods to obtain fusion: • Inertial confinement • Magnetic confinement • Apparatus • Results and success rate • Future of Fusion

  3. www1.union.edu/ ~surmanr/phys160/ What is the difference? www1.union.edu/ ~surmanr/phys160/ Fusion Fission www.lanl.gov/ ICF/ICFIntro.html www1.union.edu/~surmanr/phys160/

  4. Binding Energy vs. Atomic # http://www.nmm.ac.uk/server/show/conWebDoc.731

  5. Very little air pollution- produces helium (inert gas) Small amounts of Radioactive waste, half-life 50-100 years Abundant fuels Expensive facilities Very high “activation energy” Very little air pollution Radioactive waste half-lives from 56 seconds to 4.5 billion yrs. Contamination risks 450+ yrs. fuel Weapons risks Fusion versus Fission? Fusion Fission

  6. Experimental Methods for Fusion Inertial Confinement Magnetic Confinement Magnetic Confinement www.fusion-eur.org/ fusion_cd/inertial.htm http://www.jet.efda.org/ • Fuel pellet heated by laser, x-ray, or ion beam energy • Plasma ions heated by current, RF heating, or hot beam injection

  7. Inertial Confinement Magnetic Confinement Man made star at the Trident laser facility Plasma Torus within Tokamak Fusion Test Reactor www.lanl.gov/ ICF/ICFIntro.html http://www.plasmas.com/fusion-mag.htm

  8. Inertial Confinement • Lasers heat walls of cylinder. • Walls radiate x-rays evenly upon the spherical fuel capsule. • Ablation shell causes Deuterium-Tritium fuel to compress rapidly. www.llnl.gov

  9. Magnetic Confinement Lawrence Livermore National Laboratory

  10. Experimental Results Contemporary Physics Education Project (CPEP)

  11. Future • FIREX- Osaka, Japan • Alternative drivers • Diode-pumped solid-state lasers • KrF lasers • Heavy-ion accelerators Ryosuke Kodama, Osaka • ITER Project • $4.5 billion • Siting argument www.iter.org

  12. References • www.lanl.gov/ ICF/ICFIntro.html • www.plasmas.com/ fusion-mag.htm • Lawrence Livermore National Laboratory • www.fusion-eur.org/ fusion_cd/inertial.htm • http://www.jet.efda.org/ • http://www.nmm.ac.uk/server/show/conWebDoc.731 • www1.union.edu/~surmanr/phys160/ • Atzeni, Stefano. The Physics of inertial Fusion. 2004. • Clarendon Press. Oxford. • Braams, CM & Scott, PE. Nuclear Fusion. 2002. Institute • of Physics. London.

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