Wind-Weighting Factors for Fallout Calculations

Abstract

Particle rate of fall, available actual wind data, and total fallout radioactivity as a function of particle size have been critically reviewed as a basis for determining wind-weighting factors (WWF). Based on recently published analyses of fallout particle data, the recalculated typical (or nominal) diameter of radioactive local-fallout particles is 137 microns. A set of WWF for calculating mean effective wind vectors has been determined for use with actual wind data in predicting the location and military significance of radioactive fallout deposition. The WWF are used with fallout models such as the Weapons Systems Evaluation Group (WSEG) model.

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Document Details

Document Type
Technical Report
Publication Date
Dec 20, 1966
Accession Number
AD0653876

Entities

People

  • Fritz A. Hedman
  • Ralph C. Simmons

Organizations

  • National Military Command System

Tags

Communities of Interest

  • Biomedical
  • Weapons Technologies

DTIC Thesaurus Topics

  • Civil Defense
  • Computer Programs
  • Computers
  • Equations
  • Filters
  • Filtration
  • Materials
  • Nuclear Explosions
  • Nuclear Fallout
  • Particle Size
  • Particles
  • Radioactivity
  • Reynolds Number
  • Surface Burst
  • Test And Evaluation
  • United States
  • Wind Velocity

Readers

  • Aerosol Science/Aerosol Physics
  • Nuclear Civil Defense.
  • Systems Analysis and Design