GB/Z 44002-2024Space environment - Method of the solar energetic protons fluences and peak fluxes determination (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1. Structure and drafting rules for standardization documents" Drafting.

This document is modified to adopt ISO /T R18147.2014 "Space environment (natural and artificial) Solar energy proton injection and peak flux Determine the method.

Compared with ISO /T R18147.2014, this document has many structural adjustments. See Appendix A for a list.

This document has many technical differences compared with ISO /T R18147.2014.

A single vertical line (--) is used to indicate these differences. A list of these technical differences and their causes is given in Appendix B. The following editorial changes were made to this document.

--- To be consistent with my country's technical standard system, the name of this document is changed to "Space Environment Solar Energy Proton Injection and Peak Flux" Determine the method";

---Added explanations of variables in formulas;

---Adjusted references.

1 Scope

This document gives the solar energy proton flux and peak value during the on-orbit operation of spacecraft in the extra-magnetic space under different solar activity conditions.

The differential energy spectrum of the flux has an energy range of 0.1MeV~103MeV. If the change with the distance from the sun is taken into account, this method is suitable for determining the entire The solar energy proton injection and peak flux in the heliosphere. When the geomagnetic shielding effect is taken into account, this method is suitable for calculating the near-Earth orbit aerospace Solar energy proton flux and peak flux for spacecraft and manned space station orbits.

This document is applicable to the calculation of the probability of occurrence of solar energy protons that have important effects on materials, electronic components and organisms.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to this document.

GB/T 32452-2015 Spacecraft space environment terminology

GB/T 37834 Galactic cosmic ray model

3 Terms and definitions

The terms and definitions defined in GB/T 32452-2015 and GB/T 37834 and the following apply to this document.