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BSI PD IEC/TR 62396-6:2017

$102.76

Process management for avionics. Atmospheric radiation effects – Extreme space weather. Potential impact on the avionics environment and electronics

Published By Publication Date Number of Pages
BSI 2017 22
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This part of IEC 62396, which is a technical report, provides information intended to improve the understanding of extreme space weather events; it details the mechanisms and conditions that produce “extreme space weather” (ESW) as a result of a large increase in the activity on the surface of the sun and it discusses the potential radiation environment based on projection of previous recorded ESW.

This document does not detail the solutions with regard to the ESW events whose occurrence is extremely rare. As the stakes related to ESW environment go widely beyond the electronics issues and there are a lot of other elements in consideration (human concern for example), this document does not detail potential specific provisions or mitigations.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
5 FOREWORD
7 INTRODUCTION
8 1 Scope
2 Normative references
3 Terms and definitions
9 4 Abbreviated terms and acronyms
10 5 Extreme space weather (ESW)
5.1 General
5.2 Space weather relevant to avionics
11 5.3 Examples of proton spectra for GLEs
12 5.4 GLEs in recent history
Figure 1 – 23 February 1956 GLE – Integral and differential proton spectra fitted with band and exponential functions
Figure 2 – 19 October 1989 GLE – Integral and differential proton spectra fitted with band and exponential functions
13 5.5 GLEs inferred from historical data
5.5.1 General
5.5.2 The Carrington event
5.5.3 The AD774-775 event
14 5.6 Defining an extreme space weather environment
5.6.1 General
15 5.6.2 ESW level 1: February 1956 GLE
Figure 3 – Proton spectra for galactic cosmic ray background (solid red line) and February 1956 GLE (dashed blue line), and ratio between the two (green dotted line)
16 Figure 4 – Integral neutron spectra at ground level (top) and 12 km altitude (bottom) for GCR and GLE conditions at two cut-off rigidities
17 5.6.3 ESW level 2: An event much larger than the February 1956 GLE, approximately representative of a 1-in-1 000-year event
5.7 Forecasting the occurrence of an extreme space weather event
18 5.8 Acceleration factors in ground testing
5.9 Real-time atmospheric radiation monitoring and aircraft in-flight radiation monitoring
19 6 Considerations of ESW impact on infrastructure related to flight operations
20 Bibliography
BSI PD IEC/TR 62396-6:2017
$102.76