Wednesday, 21 September 2011

How Nuclear Reactors Work

  1. Nuclear fission reactions occur inside the core, producing heat. The control rods (made of boron) control the system by absorbing stray neutrons which in turn slows down the rate of reactions.
  2. The heat from the core is transferred to the water through conduction, which then turns into steam with a temperature of 580°C. 
  3. The pressure of the steam turns the turbine, powering the generator. 
  4. The generator converts the turning motion of the turbine into electrical energy, which now can be injected into the national electricity grid. 
  5. This steam is then cooled by water from the cooling lake which then causes the steam to condense back into water. The cycle then repeats.


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