What is a chain reaction?What happnes and how is a chain reaction in a nuclear ractor controlled?

Question

What is a chain reaction?What happnes and how is a chain reaction in a nuclear ractor controlled?

Answer 1

A chain reaction is a sequence of reactions where a reactive product or by-product causes additional reactions.

* The neutron-fission chain reaction: a neutron plus a fissionable atom causes a fission resulting in a larger number of neutrons than was consumed in the initial reaction.
* Chemical reactions, where a product of a reaction is itself a reactive particle which can cause more similar reactions. For example, every step of H2 + Cl2 chain reaction consumes one molecule of H2 or Cl2, one free radical H· or Cl· producing one HCl molecule and another free radical.
* Electron avalanche process: Collisions of free electrons in a strong electric field forming "new" electrons to undergo the same process in successive cycles.

Answer 2

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What is a chain reaction?What happnes and how is a chain reaction in a nuclear ractor controlled?
What is a chain reaction?What happnes and how is a chain reaction in a nuclear ractor controlled?

Answer 3

Hi A chain reaction is when one event causes another. In a reactor, fuel emits radiation. This radiation causes some more of the fuel to emit more radiation. It is controlled in some reactors by placing rods of boron into the core. Boron absorbs neutrons and slows the reaction.

Answer 4

I had a "liaison" with a young gentleman in the toilet compartment of the 2.45pm Birmingham to York express train in 1984. I think I caused a minor derailment. The queue waiting to use the "loo" were not impressed I explained it all away by saying he'd been poorly and I was helping him :)

Answer 5

messenger me
fortitudinousskeptic
we can discuss it. I know a little about it. I teach physics