Neutron poison meaning

Neutron poison refers to a substance that absorbs excess neutrons in a nuclear reactor, slowing down the chain reaction and preventing a runaway reaction.


Neutron poison definitions

Word backwards nortuen nosiop
Part of speech The part of speech of the word "neutron poison" is noun.
Syllabic division neu-tron poi-son
Plural The plural of the word "neutron poison" is "neutron poisons."
Total letters 13
Vogais (4) e,u,o,i
Consonants (5) n,t,r,p,s

Neutron poison is a substance that absorbs free neutrons in a nuclear reactor, basically "poisoning" the chain reaction by removing the neutrons needed to sustain it. This is a crucial safety mechanism in nuclear reactors to control and regulate the rate of fission reactions.

Function of Neutron Poison

The main function of neutron poison is to prevent the reactor from reaching criticality, which could lead to a runaway reaction and potential meltdown. By absorbing excess neutrons, the poison helps to slow down or stop the chain reaction, ensuring the reactor operates at a safe and controlled level.

Types of Neutron Poison

There are several types of neutron poisons used in nuclear reactors, including boron, gadolinium, and cadmium. These poisons are strategically placed within the reactor core to target and absorb the surplus neutrons, maintaining the reactor in a stable condition.

Neutron Poisoning Mechanism

When a neutron is absorbed by a poison material, it becomes a non-fissionable neutron, ultimately removing it from the chain reaction. This process helps to regulate the neutron population within the reactor core, preventing any escalation of power levels beyond safety limits.

Neutron poisoning is a critical aspect of nuclear reactor operation, ensuring the safety and stability of the system. It is a carefully engineered process that relies on the effective use of neutron-absorbing materials to manage the fission reactions and maintain a controlled energy output.


Neutron poison Examples

  1. Neutron poison can prevent criticality in a nuclear reactor.
  2. The addition of neutron poison can control the rate of fission reactions.
  3. Operators use neutron poison to regulate the power output of a reactor.
  4. Neutron poison helps maintain reactor stability and safety.
  5. Too much neutron poison can shut down a reactor completely.
  6. Neutron poison is essential in controlling nuclear chain reactions.
  7. The concentration of neutron poison needs to be carefully monitored in a reactor.
  8. Certain materials are specifically designed to act as neutron poisons.
  9. Neutron poison is used as a safety mechanism in nuclear power plants.
  10. Engineers rely on neutron poison to prevent an uncontrolled nuclear reaction.


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  • Updated 05/04/2024 - 02:11:28