Asked by Lee
Why will the escape of neutrons be proportionally less in a large piece of fissionable material than in a smaller piece?
Answers
Answered by
Damon
escape is through surface, proportional to length squared
volume generating neutrons is proportional to length cubed
so
ratio of escape to generation is proportional to 1/length, goes down as length goes up.
This is why babies get cold in cold weather or hot in hot weather quicker than adults.
volume generating neutrons is proportional to length cubed
so
ratio of escape to generation is proportional to 1/length, goes down as length goes up.
This is why babies get cold in cold weather or hot in hot weather quicker than adults.
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