Quote:
Originally Posted by alpal
How much does it tell us really if these huge particles only appear
once in say every 10 billion collisions?
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Well… in terms of classical physics, this is something like measuring the diameter of the shaft and the sleeve with various gauges...
First you measure this diameter roughly with ruler to see if the shaft will go into the particular sleeve.
Then you measure with micrometre to see how well the shaft will fit into a sleeve and whether there is a play or not.
With micrometre you discover that there is a "bump" in the middle of the shaft, previously not "visible" with the ruler.
Your conclusion from the above experiment (measurement) is, the shaft will first easily go into the sleeve, but half way in it will get stuck if you try harder.
If you measure more samples with the new method (micrometre), you can even conclude about the quality and repeatability of the manufacturing processes... you can even figure out how the shaft was manufactured (by turning or by casting).
So, you are getting more information and your knowledge about the process involved gets better and more detailed. And you can even discover previously unknown details and outcomes (bump and stuck).