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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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Presentation Transcript
slide1

Lindsay Bailey

Chris McGuffey

Spring 2005

slide2

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
slide3

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/

slide4

Binding Energy vs. Atomic #

http://www.nmm.ac.uk/server/show/conWebDoc.731

slide5
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

slide6

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
slide7

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

slide8

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

slide9

Magnetic Confinement

Lawrence Livermore National Laboratory

slide10

Experimental Results

Contemporary Physics Education Project (CPEP)

slide11

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

slide12

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.