Diffusion speed calculation

  • Thread starter zhaoxh
  • Start date
  • #1
2
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Hi everyone,
I'd like to ask you a question. How to calculate the diffusion speed from a bulk of gas with density of n to vacuum? Thank you!
 

Answers and Replies

  • #2
688
1
I would start with Fick's Law.
 
  • #3
2,967
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What is diffusion speed?
 
  • #4
2
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What is diffusion speed?

actually, I want to consider the follow case. Consider that a bullet crosses a bulk of gas (desity=n), how to calculate the density evolution (with time) within the channel after the bullet goes through the gas.
 

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