09/30118876 DC : 0
Superseded
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ISO 20785-2 - DOSIMETRY FOR EXPOSURES TO COSMIC RADIATION IN CIVILIAN AIRCRAFT - PART 2: CHARACTERIZATION OF INSTRUMENT RESPONSE
Hardcopy , PDF
30-06-2011
English
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 General
3.2 Quantities and units [5,6]
3.3 Atmospheric radiation field
4 General considerations
4.1 The cosmic radiation field in the atmosphere
4.2 General considerations for the dosimetry of the cosmic
radiation field in aircraft and requirements for the
characterization of instrument response
4.3 General considerations for measurements at aviation altitudes
5 Calibration fields and procedures
5.1 General considerations
5.2 Characterization of an instrument
5.2.1 Determination of the dosimetric characteristics of an
instrument
5.2.2 Reference radiation fields
5.2.3 Scattered radiation
5.2.4 Effect of other types of radiation
5.2.5 Requirements for characterization in non-reference
conditions
5.2.6 Use of numerical simulations
5.3 Instrument-related software
5.3.1 Software development procedures
5.3.2 Software testing
5.3.3 Data analysis using spreadsheets
6 Performance tests
7 Uncertainties
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
Annex B (informative) Radiation fields
B.1 Photon fields
B.2 Neutron fields
B.2.1 Radionuclide and mono-energetic neutron fields
E<20 MeV
B.2.2 High energy neutron fields E>20 MeV
B.3 Charged particles
B.3.1 Electrons and muons
B.3.2 Protons
B.3.3 Heavy charged particles
B.4 Simulated Workplace Fields
B.5 Natural fields
Annex C (informative) Comparison measurements
C.1 In-flight comparison with reference instruments
C.2 Inter-comparisons
Annex D (informative) Charged particle irradiation facilities
Bibliography
ISO 20785-2
| Committee |
NCE/2
|
| DocumentType |
Draft
|
| Pages |
45
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| IEC TR 62461:2015 | Radiation protection instrumentation - Determination of uncertainty in measurement |
| ISO/IEC Guide 98-1:2009 | Uncertainty of measurement — Part 1: Introduction to the expression of uncertainty in measurement |
| ISO 8529-3:1998 | Reference neutron radiations — Part 3: Calibration of area and personal dosimeters and determination of response as a function of energy and angle of incidence |
| IEC 60846-1:2009 | Radiation protection instrumentation - Ambient and/or directional dose equivalent (rate) meters and/or monitors for beta, X and gamma radiation - Part 1: Portable workplace and environmental meters and monitors |
| ISO 4037-2:1997 | X and gamma reference radiation for calibrating dosemeters and doserate meters and for determining their response as a function of photon energy Part 2: Dosimetry for radiation protection over the energy ranges from 8 keV to 1,3 MeV and 4 MeV to 9 MeV |
| ISO/IEC Guide 99:2007 | International vocabulary of metrology Basic and general concepts and associated terms (VIM) |
| ISO 8529-2:2000 | Reference neutron radiations Part 2: Calibration fundamentals of radiation protection devices related to the basic quantities characterizing the radiation field |
| ISO 12789-2:2008 | Reference radiation fields — Simulated workplace neutron fields — Part 2: Calibration fundamentals related to the basic quantities |
| ISO 4037-1:1996 | X and gamma reference radiation for calibrating dosemeters and doserate meters and for determining their response as a function of photon energy Part 1: Radiation characteristics and production methods |
| ISO 8529-1:2001 | Reference neutron radiations Part 1: Characteristics and methods of production |
| ISO 4037-3:1999 | X and gamma reference radiation for calibrating dosemeters and doserate meters and for determining their response as a function of photon energy Part 3: Calibration of area and personal dosemeters and the measurement of their response as a function of energy and angle of incidence |
| ISO 12789-1:2008 | Reference radiation fields — Simulated workplace neutron fields — Part 1: Characteristics and methods of production |
| ISO/IEC Guide 98-3:2008 | Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995) |
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