Lindsay Bailey Chris McGuffey Spring 2005. Outline Advantages of Fusion over Fission Theory behind two methods to obtain fusion: Inertial confinement.

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Presentation transcript:

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/ ICF/ICFIntro.html FusionFission www1.union.edu/~surmanr/phys160/ What is the difference?

Binding Energy vs. Atomic #

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

Magnetic Confinement Experimental Methods for Fusion Inertial Confinement Magnetic Confinement fusion_cd/inertial.htm Fuel pellet heated by laser, x-ray, or ion beam energy Plasma ions heated by current, RF heating, or hot beam injection

Inertial Confinement Magnetic Confinement ICF/ICFIntro.html Man made star at the Trident laser facility Plasma Torus within Tokamak Fusion Test Reactor

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

Magnetic Confinement Lawrence Livermore National Laboratory

Experimental Results Contemporary Physics Education Project (CPEP)

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

References ICF/ICFIntro.htmlwww.lanl.gov/ ICF/ICFIntro.html fusion-mag.htmwww.plasmas.com/ fusion-mag.htm Lawrence Livermore National Laboratory fusion_cd/inertial.htm www1.union.edu/~surmanr/phys160/ Atzeni, Stefano. The Physics of inertial Fusion Clarendon Press. Oxford. Braams, CM & Scott, PE. Nuclear Fusion Institute of Physics. London.