1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Neutron diffusion around thin absorber

  1. Mar 17, 2015 #1
    1. The problem statement, all variables and given/known data
    Mono-energetic sources of neutrons emitting S neutrons/cm^3 sec are distributed uniformly throughout an infinite material (characterized by a macroscopic absorption cross section Σa and a diffusion coefficient D). An infinite sheet of very thin absorber, of thickness t and macroscopic absorption cross section Σa1, is inserted in the moderator at x = 0. Compute the new flux that is established throughout the material after the thin absorber has been inserted.

    2. Relevant equations
    1D diffusion equation

    3. The attempt at a solution
    See attached scan.pdf

    Attached Files:

    • Scan.pdf
      File size:
      852.5 KB
  2. jcsd
  3. Mar 22, 2015 #2
    Thanks for the post! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted

Similar Discussions: Neutron diffusion around thin absorber
  1. Mass diffusion (Replies: 2)

  2. Diffusion in Cone (Replies: 6)

  3. Diffusion question (Replies: 1)

  4. Nuclear Transport (Replies: 1)