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Fission

Fission. By Tony Chitty. Fission. Nuclear Fission is the splitting of an atomic nucleus. Atomic bombs and nuclear reactors both perform nuclear fission Atomic bombs split unbalanced nuclei into smaller more stable nuclei.

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Fission

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  1. Fission By Tony Chitty

  2. Fission • Nuclear Fission is the splitting of an atomic nucleus. • Atomic bombs and nuclear reactors both perform nuclear fission • Atomic bombs split unbalanced nuclei into smaller more stable nuclei. • Nuclear reactors split a different type of uranium into smaller nuclei • A chain reaction refers to a process in which neutrons released in fission produce an additional fission in at least one further nucleus. • The nucleus in turn produces neutrons, and the process repeats. • The process may be controlled (nuclear power) or uncontrolled (nuclear weapons).

  3. Fission • Fission Equation: + 92 3 + 1 n Kr One isotope on leftsplitting up into productson the right. 141 Ba 236 U 36 0 56 92

  4. Controlled nuclear fission • Spontaneous nuclear fission

  5. Fission • Energy Released From Each Fission • 165 MeV~ kinetic energy of fission products • 7 MeV~ gamma rays • 6 MeV~ kinetic energy of the neutrons • 7 MeV~ energy from fission products • 6 MeV~ gamma rays from fission products • 9 MeV~ anti-neutrinos from fission products • 200 MeV • 1 MeV (million electron volts) = 1.609 x 10 -13joules • Chain reaction • U235 + n → fission + 2 or 3 n + 200 MeV

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