Difference between revisions of "Nuclear Chain Reaction"
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: In a [[Nuclear Reactor|nuclear reactor]] on [[Mean Average|average]] 1 [[Nuclear Fission|fission]] [[neutron]] from each [[Nuclear Fission|fission]] event goes on to cause one more [[Nuclear Fission|fission]] event. This results in a constant release of [[energy]]. | : In a [[Nuclear Reactor|nuclear reactor]] on [[Mean Average|average]] 1 [[Nuclear Fission|fission]] [[neutron]] from each [[Nuclear Fission|fission]] event goes on to cause one more [[Nuclear Fission|fission]] event. This results in a constant release of [[energy]]. | ||
: A '''nuclear chain reaction''' can only happen if enough [[Thermal Neutron|thermal neutron]]s are produced from the [[Nuclear Fission|fission]] events. | : A '''nuclear chain reaction''' can only happen if enough [[Thermal Neutron|thermal neutron]]s are produced from the [[Nuclear Fission|fission]] events. | ||
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| + | |[[File:FissionChainReaction.png|center|400px]] | ||
| + | | style="height:20px; width:200px; text-align:center;" |The [[neutron]]s released from one [[Nuclear Fission|fission]] event go on to cause at least one other [[Nuclear Fission|fission]] event in a '''chain reaction'''. | ||
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Revision as of 20:45, 10 March 2019
Key Stage 4
Meaning
A nuclear chain reaction is when the neutrons released from one nuclear fission event triggers one or more other nuclear fission event.
About Nuclear Chain Reactions
- For a nuclear chain reaction to occur each nuclear fission event must cause the release of at least 1 neutron.
- In a nuclear reactor on average 1 fission neutron from each fission event goes on to cause one more fission event. This results in a constant release of energy.
- A nuclear chain reaction can only happen if enough thermal neutrons are produced from the fission events.
| The neutrons released from one fission event go on to cause at least one other fission event in a chain reaction. |