Solar cosmic ray model selection method

A cosmic ray and sun technology, applied in the field of solar cosmic ray model selection, can solve the problems of inconvenient use of the solar cosmic ray model

Pending Publication Date: 2022-01-28
BEIJING INST OF SPACECRAFT ENVIRONMENT ENG
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Problems solved by technology

[0016] The technical problem to be solved by the present invention is to overcome the problem that there is no uniform method for selecting the corresponding solar cosmic ray model according to the use environme...

Method used

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  • Solar cosmic ray model selection method

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Embodiment 1

[0046] Embodiment 1. Set up a Chinese space station in the middle orbit, the orbital height is 400km, the inclination is 42-43 degrees, the design life is more than 10 years, and the launch date is April 29, 2021. For example, see image 3 .

[0047] First, spacecraft engineering mission analysis.

[0048] Mainly determine the orbit where the spacecraft is located, the launch date, the situation of solar activity, the life in orbit, etc. For example, space stations are located in LEO orbits, navigation satellites may have LEO, MEO, and GEO orbits, and communication satellites are mainly located in GEO orbits. Taking the Chinese space station as an example, the orbital altitude is 400km, the inclination is 42-43 degrees, the design life is more than 10 years, and the launch date is April 29, 2021. (https: / / baike.so.com / doc / 5857552-6070395.html)

[0049] Second, whether it is affected by geomagnetic shielding.

[0050] Since the charged particles are modulated by the geomagn...

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Abstract

The invention provides a solar cosmic ray model selection method and system. According to the invention, a solar cosmic ray model selection requirement instruction is included, and data requirements of the corresponding solar cosmic ray model are obtained from the selection requirement instruction based on the purposes of analysis, research or testing; and a single event effect brought by solar cosmic rays is mainly related to energy and flux of transient particles, an ionization total dose effect and a displacement total dose effect are closely related to energy and cumulative flux (fluence) of cumulative particles, and astronauts are threatened by transient flux and cumulative flux, so that a solar cosmic ray model meeting requirements of the solar cosmic ray model selection instruction needs to be selected from various different angles in the invention according to an on-orbit period of a spacecraft, concerned effect types, whether an analyzed object is an effect or a probability and the like.

Description

technical field [0001] The invention belongs to the technical field of spacecraft-related space radiation environment design and the resulting space radiation effect analysis, failure analysis and ground environment parameter design. Specifically, the invention relates to a method for selecting a solar cosmic ray environment model. Background technique [0002] The solar cosmic ray is a space environment composed of all elements present in the universe, mainly due to solar activity, but the most important component is protons, namely hydrogen (H). The solar cosmic ray refers to the emission of a large number of high-energy protons, electrons, and heavy nuclear particle streams during the explosive activities of the sun, most of which are composed of protons, sometimes called solar proton events, or solar particle events (SPE). However, there is a slight difference in concept. Generally, the event that the sun erupts to produce a series of solar cosmic rays is called a solar ...

Claims

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Application Information

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IPC IPC(8): G06F30/25
CPCG06F30/25
Inventor 沈自才呼延奇刘涛杨艳斌马子良冒鑫
Owner BEIJING INST OF SPACECRAFT ENVIRONMENT ENG
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