ISO 20785-1:2020
Dosimetry for exposures to cosmic radiation in civilian aircraft — Part 1: Conceptual basis for measurements
This document specifies the conceptual basis for the determination of ambient dose equivalent for the evaluation of exposure to cosmic radiation in civilian aircraft and for the calibration of instruments used for that purpose.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 General terms
3.2 Quantities and units
3.3 Atmospheric radiation field
4 General considerations
4.1 The cosmic radiation field in the atmosphere
4.2 General calibration considerations for the dosimetry of cosmic radiation fields in aircraft
4.2.1 Approach
4.2.2 Considerations concerning the measurement
4.2.3 Considerations concerning the radiation field
4.2.4 Considerations concerning calibration
4.2.5 Simulated aircraft fields
4.3 Conversion coefficients
5 Dosimetric devices
5.1 Introduction
5.2 Active devices
5.2.1 Devices to determine all field components
5.2.2 Devices for low LET/non-neutron
5.2.3 Devices for high-LET/neutron component
5.3 Passive devices
5.3.1 General considerations
5.3.2 Etched track detectors
5.3.3 Fission foil detectors
5.3.4 Superheated emulsion neutron detectors (bubble) detectors
5.3.5 Thermoluminescent detectors
5.3.6 Photoluminescent detectors
Annex A (informative) Representative particle fluence rate energy distributions for the cosmic radiation field at flight altitudes for solar minimum and maximum conditions and for minimum and maximum vertical cut-off rigidity
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 General terms
3.2 Quantities and units
3.3 Atmospheric radiation field
4 General considerations
4.1 The cosmic radiation field in the atmosphere
4.2 General calibration considerations for the dosimetry of cosmic radiation fields in aircraft
4.2.1 Approach
4.2.2 Considerations concerning the measurement
4.2.3 Considerations concerning the radiation field
4.2.4 Considerations concerning calibration
4.2.5 Simulated aircraft fields
4.3 Conversion coefficients
5 Dosimetric devices
5.1 Introduction
5.2 Active devices
5.2.1 Devices to determine all field components
5.2.2 Devices for low LET/non-neutron
5.2.3 Devices for high-LET/neutron component
5.3 Passive devices
5.3.1 General considerations
5.3.2 Etched track detectors
5.3.3 Fission foil detectors
5.3.4 Superheated emulsion neutron detectors (bubble) detectors
5.3.5 Thermoluminescent detectors
5.3.6 Photoluminescent detectors
Annex A (informative) Representative particle fluence rate energy distributions for the cosmic radiation field at flight altitudes for solar minimum and maximum conditions and for minimum and maximum vertical cut-off rigidity
Bibliography