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Related Experiment Videos

Aircrew dosimetry using the Predictive Code for Aircrew Radiation Exposure (PCAIRE).

B J Lewis1, L G I Bennett, A R Green

  • 1Department of Chemistry and Chemical Engineering, Royal Military College of Canada, P.O. Box 17000, Stn Forces, Kingston, Ontario, Canada K7K 7B4.

Radiation Protection Dosimetry
|April 11, 2006
PubMed
Summary

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This study validated the Predictive Code for Aircrew Radiation Exposure (PCAIRE) using 49 jet-altitude flights. PCAIRE accurately predicts cosmic radiation exposure for aircrew, enhancing flight safety.

Area of Science:

  • Aviation Safety
  • Space Physics
  • Radiation Biology

Background:

  • Aircrew are exposed to elevated levels of cosmic radiation at jet altitudes.
  • Accurate prediction of radiation dose is crucial for aircrew health and safety.
  • Previous measurements since 1999 provided a foundation for predictive models.

Purpose of the Study:

  • To validate an improved version of the Predictive Code for Aircrew Radiation Exposure (PCAIRE).
  • To assess PCAIRE's accuracy in predicting dose-equivalent rates from galactic cosmic radiation.
  • To develop an empirical model for estimating solar energetic particle (SEP) exposure.

Main Methods:

  • Conducted 49 jet-altitude flights using a portable instrument suite for cosmic radiation measurements.
  • Validated the PCAIRE code against integral route dose measurements from these flights.

Related Experiment Videos

  • Developed an empirical correlation using ground-level neutron monitoring data for SEP events.

    • Main Results:

    • PCAIRE predictions agreed with measured data within +/- 25% on most flights.
    • The validated PCAIRE code provides confidence in predicting aircrew exposure to galactic cosmic radiation.
    • An empirical model was developed to estimate aircrew exposure from SEP events, including a theoretical flight during GLE 42.

    Conclusions:

    • The improved PCAIRE code is a reliable tool for predicting aircrew exposure to galactic cosmic radiation.
    • The study provides a method for estimating exposure from solar energetic particle events.
    • These findings contribute to enhanced radiation safety protocols for aviation personnel.