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Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 41206-2021: Space environment (natural and artificial) - Cosmic ray and solar energetic particle penetration inward the magnetosphere - Method of determination of the effective vertical cut-off rigidity Status: Valid
Basic dataStandard ID: GB/T 41206-2021 (GB/T41206-2021)Description (Translated English): Space environment (natural and artificial) - Cosmic ray and solar energetic particle penetration inward the magnetosphere - Method of determination of the effective vertical cut-off rigidity Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: V04 Word Count Estimation: 17,146 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 41206-2021: Space environment (natural and artificial) - Cosmic ray and solar energetic particle penetration inward the magnetosphere - Method of determination of the effective vertical cut-off rigidity---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. Space environment (natural and artificial) -- Cosmic ray and solar energetic particle penetration inward the magnetosphere -- Method of determination of the effective vertical cut-off rigidity ICS 49:140 CCSV04 National Standards of People's Republic of China Space environment (natural and artificial) Cosmic rays and solar energy particles penetrate the magnetosphere Determination method of effective perpendicular geomagnetic cut-off stiffness (ISO 17520:2016, IDT) Published on 2021-12-31 2022-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General Concepts and Assumptions 3 4:1 Determining the Effective Vertical Cutoff Stiffness 3 4:2 Allowable geomagnetic field models3 4:3 Valid Vertical Cutoff Stiffness Data Sheet (Form Library) 3 4:4 Method for derivation of effective vertical cut-off stiffness 4 5 Model Requirements 4 5:1 General 4 5:2 Parameterization 4 Appendix A (Informative) Effective Vertical Cutoff Stiffness Determination Procedure 5 Appendix B (Informative) Introduction to Calculation Results 6 Appendix C (informative) Deduction calculation method of effective vertical cut-off stiffness data under different conditions 7 Reference 12 forewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" drafted: This document is equivalent to ISO 17520:2016 "Space Environment (Natural and Artificial) Cosmic Rays and Solar Energy Particles Penetrating the Magnetosphere Effectively Determination of perpendicular geomagnetic cut-off stiffness": This document adds a chapter "Normative References": Please note that some content of this document may be patented: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by the Chinese Academy of Sciences: This document is under the jurisdiction of the National Technical Committee for Standardization of Aerospace Technology and Its Application (TC425): This document is drafted by: National Space Science Center, Chinese Academy of Sciences: The main drafters of this document: Chen Dong, Zhong Qiuzhen, Chen Shanqiang, Meng Xuejie, Miao Juan, Lin Ruilin, Li Changhong, Liu Siqing, Shi Liqin:IntroductionThis document describes the basic requirements for calculating the effective vertical cut-off stiffness for charged particles entering the Earth's magnetosphere: This document establishes the Calculate the effective vertical at the same altitude, different geographic locations (latitude and longitude), different geomagnetic disturbances (described by Kp index) and different local time conditions: Program for the straight magnetic cut-off stiffness: Models that meet these requirements are described in the appendix through a series of examples: This document is used to estimate penetration The interplanetary cosmic ray charged particle stream in the spherical magnetosphere, which is important for developing and testing the radiation effects of hardware and living organisms on spacecraft: This document presents a procedure to simplify the stiffness calculation: Space environment (natural and artificial) Cosmic rays and solar energy particles penetrate the magnetosphere Determination method of effective perpendicular geomagnetic cut-off stiffness1 ScopeThis document describes the effective vertical cut-off stiffness for charged particles in near-Earth space and specifies the main requirements for its calculation: in Appendix A In , a typical example is used to verify the calculation method: This document is suitable for developing geomagnetic cut-off stiffness calculation models based on different geomagnetic field models [1]: The geomagnetic cut-off stiffness calculation model is used for Determine the flow of charged particles penetrating the Earth's magnetosphere, and test and estimate its impact on spacecraft and other equipment: This document is suitable for the calculation of cosmic ray charged particles (galactic cosmic rays, solar cosmic rays and anomalous cosmic rays) in arbitrary components with large stiffness Transmission in the geomagnetic field of 0:2GV particles: The main objectives for determining the normalization of the effective perpendicular geomagnetic cut-off stiffness are as follows: --- Provide an explicit procedure to calculate the geomagnetic cut-off stiffness within the Earth's magnetosphere reflecting geomagnetic disturbances and local time dependence; --- Provide a means of estimating charged particle fluxes for space experimental missions to interpret and analyze the effects of charged particles; ---Provide a method for effectively calculating the transfer function of the geomagnetic field in low-altitude spacecraft orbits; --- Use independent in-orbit interplanetary particle flux data to determine the impact of solar energy particles on spacecraft equipment and astronauts:2 Normative referencesThere are no normative references in this document:3 Terms and DefinitionsThe following terms and definitions apply to this document: 3:1 internal (main) magnetic field The magnetic field generated by the Earth's core: Note 1: See ISO 16695: Note 2: Can be represented by the International Geomagnetic Reference Field (IGRF) model: 3:2 International Geomagnetic Reference Field IGRFmodel IGRFmodel The International Geomagnetic Reference Field describes the endogenous magnetic field in the form of spherical harmonics: Note 1: See reference [2]: Note 2: The time variation of the expansion coefficient is very small: Note 3: The International Association of Geomagnetism and Upper-Air Physics (IAGA) is responsible for the development and revision of the IGRF model, and the coefficients are revised every 5 years: This document does not discuss endogenous magnetic field: 3:3 external (magnetospheric) magnetic field The magnetic field generated by the source current of the magnetosphere: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 41206-2021_English be delivered?Answer: Upon your order, we will start to translate GB/T 41206-2021_English as soon as possible, and keep you informed of the progress. 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