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A reactor physics term describing the state when the number of neutrons released by fission is exactly balanced by the fuel and poisons escaping the reactor core?
Wiki User
∙ 14y ago
I think you must mean "criticality", which is a term applied to nuclear reactors meaning the neutron flux in the active core remains at a steady level, the actual level can vary from a low level equivalent to a few watts of power up to the reactor maximum allowable. At criticality the number of neutrons being produced every second by fission is just balanced by the number being captured in further fuel nuclei, in other core materials, the moderator itself, and escaping at the core boundaries.
Wiki User
∙ 14y ago
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What is the purpose of control rods in a nuclear reactor?
A nuclear reactor requires the neutrons released from one reaction to trigger the fission of other nuclei. Control rods are required to absorb some of these neutrons so as to prevent a runaway chain reaction.
What is it called when neutrons released from a fission event cause other fission events in a continued self sustaining cascade?
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What is a nuclear bomb equation?
An atomic bomb works by having a number of neutrons released from the nucleus, and these in turn will dislodge more neutrons from other atoms and so on. Provided the number of neutrons released continues to grow, a nuclear explosion will result. A significant problem is in having enough neutrons released to start the chain reaction going. This will not usually take place with ordinary materials, and the starting material has to be made to release more neutrons than it would do naturally. This is done by compressing the start material, but as you know, trying to compress a solid is difficult. A spherical cage of conventional explosive (shaped charge) is the most common method. Returning to the question, there is no single "equation". If you look up the work of folk like Richard Feynman, and J R Oppenheimer, you'll be better informed.
What is the difference between an ordinary chemical equation and a nuclear equation?
An atomic bomb works by having a number of neutrons released from the nucleus, and these in turn will dislodge more neutrons from other atoms and so on. Provided the number of neutrons released continues to grow, a nuclear explosion will result. A significant problem is in having enough neutrons released to start the chain reaction going. This will not usually take place with ordinary materials, and the starting material has to be made to release more neutrons than it would do naturally. This is done by compressing the start material, but as you know, trying to compress a solid is difficult. A spherical cage of conventional explosive (shaped charge) is the most common method. Returning to the question, there is no single "equation". If you look up the work of folk like Richard Feynman, and J R Oppenheimer, you'll be better informed.
When the nucleus of an atom splits what kind of energy is released?
First high speed neutrons, thermal energy and gamma rays are released then the byproducts emit a bit more energy in the form of beta decay.
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