Aircrew Radiation Exposure Estimates and the Effect of Solar Flare Anisotropy
32nd Annual CNS Conference - 2011 June 05-08


Presented at:
32nd Annual CNS Conference
2011 June 05-08
Location:
Niagara Falls, Canada
Session Title:
Radiation Applications, Dose and Medical Isotopes

Authors:
Hani Al Anid (Royal Military College of Canada)
Brent Lewis (Royal Military College of Canada)
Les Bennett (Royal Military College of Canada)
Masashi Takada (International Space Radiation Laboratory)
  

Abstract

A transport code analysis using the Monte Carlo N-Particle eXtended code, MCNPX, has been used to propagate an extrapolated particle spectrum based on satellite measurements through the atmosphere to estimate radiation exposure during solar particle events at aircraft altitudes. A comparison was made between the model predictions and actual flight measurements taken with various types of instruments during Ground Level Event 60.  A computer-code has been developed to implement the model for routine analysis. Current research is focused on introducing a new anisotropy model that uses neutron monitor responses and pitch angle data to identify anisotropy and correct for it.

 

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