Boiling Water in 5 Easy Steps
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  • 1. Boiling Water in 5 Easy Steps http://www.flickr.com/photos/o2ma/287058391/ Vanessa Holfeltz
  • 2. Step 1: Get Some Uranium http://www.flickr.com/photos/psd/132312723/
  • 3. Step 2: Enrich that Uranium 99.27% 238U 0.72% 235U 4% 235U have need
  • 4. Uranium “flavors” doe.gov
  • 5. Step 3: Make Reactor Fuel UO2 UO2 UO2 UO2 UO2 UO2 UO2 UO2 UO2 UO2 UO2 UO2 UO2 2 UO UO2 UO2 UO2 1/2 inch UO UO2 UO2 2 UO2 UO2 UO2 238UO 2 UO2 UO2 UO2 235UO 2 3/8 inch
  • 6. nrc.gov, doe.gov
  • 7. Step 4: Build a Nuclear Power Reactor http://www.flickr.com/photos/dsnet/2346674/
  • 8. Step 5: Fission
  • 9. Chain Reaction = neutron = fission event nrc.gov
  • 10. nrc.gov
  • 11. Results • ≈ 200 MeV is released per fission • Most of this becomes kinetic energy of fission fragments • A room temperature atom has about 1/40 eV kinetic energy -- fission fragments have 400,000,000 times that energy! • Punchline: fission fragments are hot
  • 12. http://flickr.com/photos/alternatewords/2186936047/
  • 13. Bonus Step: Make electricity http://en.wikipedia.org/wiki/Image:Dampfturbine_Laeufer01.jpg
  • 14. water in ≈ 290ºC water out ≈ 325ºC fuel nrc. gov/reactors/operating/ops-experience/vessel-head-degradation/images.html
  • 15. http://www.nrc.gov/reading-rm/basic-ref/students/reactors.html
  • 16. In the US, 1 in 5 slices of toast is made with nuclear power. amazon.com
  • 17. http://flickr.com/photos/blmurch/495781095/
  • 18. What’s in spent fuel?
  • 19. • Something that is radioactive emits radiation • Radiation is energy traveling trough space (light, microwaves, x-rays, gamma rays, etc.) • Radioactive materials decay into non-radioactive materials • Spent nuclear fuel becomes less radioactive over time doe.gov
  • 20. Cooling Tower Reactor Containment Building http://flickr.com/photos/thespeak/150544424/