'Breeder reactor' diaporamas de présentation

Cambridge March 2001

The Fukushima reactor situation Richard Wilson Mallinckrodt Professor of Physics (emeritus) Harvard University May 21st 2011. Cambridge March 2001. PUBLIC PERCEPTION DOMINATES NUCLEAR CONSTRUCTION COSTS.

645 views • 64 slides

The Thorium Fuel Cycle

The Thorium Fuel Cycle. ThEC13 Daniel Mathers daniel.p.mathers@nnl.co.uk. Outline. Content: Background Sustainability, proliferation resistance, economics, radiotoxicity Advantages and disadvantages Fuel Cycles. Fertile thorium. Th-232 is the only naturally occurring thorium nuclide

636 views • 38 slides

Nuclear Chemistry Chapter 25

Nuclear Chemistry Chapter 25. Chemical Reactions Occur when bonds are broken and formed Atoms remain unchanged, though they may be rearranged Involve only valence electrons Associated with small energy changes

413 views • 34 slides

The Future for Nuclear Power Richard Wilson Mallinckrodt Research Professor of Physics

The Future for Nuclear Power Richard Wilson Mallinckrodt Research Professor of Physics Harvard University. 1939 Nuclear fission discovered (Hahn and Strassman) Neutron chain reaction possibility shown! (Joliot, Halban and Kowarski) Euphoria! The "nuclear age" had come!.

334 views • 33 slides

Nuclear Fission

Nuclear Fission. 1/ v. Fast neutrons should be moderated. 235 U thermal cross sections ? fission ? 584 b. ? scattering ? 9 b. ? radiative capture ? 97 b. Fission Barriers. Nuclear Fission. Fissile. Q for 235 U + n ? 236 U is 6.54478 MeV.

515 views • 28 slides

Energy and the Environment

409 views • 28 slides

Nuclear Fission

Nuclear Fission. Q for 235 U + n ? 236 U is 6.54478 MeV. Table 13.1 in Krane: Activation energy E A for 236 U ? 6.2 MeV (Liquid drop + shell) ? 235 U can be fissioned with zero-energy neutrons. Q for 238 U + n ? 239 U is 4.??? MeV .

289 views • 22 slides