lundi 17 septembre 2018

The idea of nuclear energy

The reaction of nuclear fission is the interaction in which high thermal and light energy is produced in addition to particles such as beta and alpha.
Nuclear energy is released by bombarding the nucleus 235 of neutrons as in following picture. This collision results in a new molecule of unstable that quickly breaks into two molecules and an average of 2 to 3 neutrons, thus colliding with other uranium atoms
Chain reaction
Thus, the process of energy release and the production of neutrons within the so-called Chain reaction. The amount of energy emitted by the splitting of a single atom of uranium 235 is two hundred and two million electron volts
1 MeV = 106 × 1.6 × 10−19 J
Nuclear power reactors produce a huge amount of electrical energy from a small amount of fuel. A few grams of uranium give a quantity of energy equivalent to one tonne of coal. Enough to run a home electricity for about four months, without any carbon emission. (Note: Production of 1 GWh of coal-fired plant produces 1041 tonnes of CO2

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