BS EN ISO 20785-3:2023 – TC
$186.33
Tracked Changes. Dosimetry for exposures to cosmic radiation in civilian aircraft – Measurements at aviation altitudes
| Published By | Publication Date | Number of Pages |
| BSI | 2023 | 62 |
This document gives the basis for the measurement of ambient dose equivalent at flight altitudes for the evaluation of the exposures to cosmic radiation in civilian aircraft.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 38 | undefined |
| 40 | European foreword Endorsement notice |
| 42 | Foreword |
| 43 | Introduction |
| 45 | 1 Scope 2 Normative references 3 Terms and definitions 3.1 Quantities and units |
| 48 | 3.2 Atmospheric radiation field |
| 49 | 4 General considerations 4.1 General description of the cosmic radiation field in the atmosphere |
| 51 | 4.2 General considerations concerning the measurements 4.2.1 General 4.2.2 Selection of appropriate instruments 4.2.3 Characterization of the responses of the instruments 4.2.4 Measurements inside an aircraft |
| 52 | 4.2.5 Application of appropriate correction factors 4.3 Safety and regulatory requirements for in-flight measurements 5 Measurement at aviation altitude 5.1 Parameters determining the dose rate 5.1.1 Barometric altitude 5.1.2 Geographic coordinates |
| 53 | 5.1.3 Solar activity 5.2 Possible influence quantities 5.2.1 General 5.2.2 Cabin air pressure 5.2.3 Cabin air temperature 5.2.4 Cabin air humidity 5.3 Specific considerations for active instruments 5.3.1 Power supply |
| 54 | 5.3.2 Vibrations and shocks 5.3.3 Electromagnetic interferences from the aircraft 5.4 Specific considerations for passive measurements 5.4.1 Security X-ray scanning 5.4.2 Background subtraction 6 Uncertainties |
| 55 | Annex A (informative) Representative particle fluence 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 |
| 61 | Bibliography |
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