A CALCULATIONAL MODEL FOR CONDENSED STATE DIFFUSION CONTROLLED FISSION PRODUCT ABSORPTION DURING FALLOUT FORMATION

Abstract

A program is presented to compute fallout fission product absorption in an expanding, cooling, uniform field of gas and fallout particles where the rate of fission product absorption is controlled by fission product surface concentrations as given by Henry's law constants and diffusion of these fission products into the fallout particles. The calculations are made a nuclide chain at a time, employing nuclear device and fission product parameters. Program output includes average concentration versus particle size for each absorbed fission product at a pre-selected lower temperature and the amount of that fission product in the gas phase, with an option for the calculation of fission product radial profiles versus particle size.

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Document Details

Document Type
Technical Report
Publication Date
Jan 10, 1967
Accession Number
AD0651755

Entities

People

  • J. H. Norman
  • R. F. Korts

Organizations

  • General Dynamics

Tags

Communities of Interest

  • C4I
  • Counter WMD

DTIC Thesaurus Topics

  • Absorption
  • Chemistry
  • Civil Defense
  • Coefficients
  • Computers
  • Department Of Defense
  • Diffusion
  • Diffusion Coefficient
  • Equations
  • Fission Products
  • Low Temperature
  • Materials
  • Particle Size
  • Particles
  • Phase
  • Sorption
  • Temperature Coefficients

Fields of Study

  • Physics

Readers

  • Combustion science or combustion engineering.
  • Nuclear and Radiation Engineering.