ISO 22009-2009 Space systems - Space environment (natural and artificial) - Model of the earth-s magnetospheric magnetic field《空间系统 空间环境(自然的及人造的) 地球磁性层的磁场模型》.pdf
《ISO 22009-2009 Space systems - Space environment (natural and artificial) - Model of the earth-s magnetospheric magnetic field《空间系统 空间环境(自然的及人造的) 地球磁性层的磁场模型》.pdf》由会员分享,可在线阅读,更多相关《ISO 22009-2009 Space systems - Space environment (natural and artificial) - Model of the earth-s magnetospheric magnetic field《空间系统 空间环境(自然的及人造的) 地球磁性层的磁场模型》.pdf(22页珍藏版)》请在麦多课文档分享上搜索。
1、 Reference number ISO 22009:2009(E) ISO 2009INTERNATIONAL STANDARD ISO 22009 First edition 2009-12-01 Space systems Space environment (natural and artificial) Model of the earths magnetospheric magnetic field Systmes spatiaux Environnement spatial (naturel et artificiel) Modle du champ magntique de
2、la magntosphre de la terre ISO 22009:2009(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer perfo
3、rming the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PD
4、F file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central S
5、ecretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO 2009 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in w
6、riting from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2009 All rights reservedISO 220
7、09:2009(E) ISO 2009 All rights reserved iiiContents Page Foreword iv Introduction.v 1 Scope1 2 Terms and definitions .1 3 General concepts and assumptions2 3.1 Magnetic field induction in the earths magnetosphere2 3.2 Magnetospheric magnetic field standardization: process based approach.3 4 Model re
8、quirements 3 4.1 General .3 4.2 Magnetospheric magnetic field sources.3 4.3 Parameterization3 4.4 Magnetospheric dynamics .3 4.5 Model testing and comparison with measurements3 5 List of criteria.3 Annex A (informative) Paraboloid model of the magnetospheric magnetic field: calculation of induction
9、of the magnetic field of the magnetospheric currents.5 Annex B (informative) Submodels 10 Annex C (informative) 13 Bibliography15 ISO 22009:2009(E) iv ISO 2009 All rights reservedForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
10、(ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, g
11、overnmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/I
12、EC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the mem
13、ber bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 22009 was prepared by Technical Committee ISO/TC 20, Aircraft and spac
14、e vehicles, Subcommittee SC 14, Space systems and operations. ISO 22009:2009(E) ISO 2009 All rights reserved vIntroduction This International Standard describes the main requirements to the earths magnetospheric magnetic field model. The model satisfying the set of requirements is described in Annex
15、 A as example calculations. The model can be used in scientific and engineering applications and is intended to calculate the magnetic induction field generated from a variety of current systems located on the boundaries and within the boundaries of the earths magnetosphere under a wide range of env
16、ironmental conditions, quiet and disturbed, that are affected by solar-terrestrial interactions stimulated by solar activity such as solar flares and related phenomena, which induce terrestrial magnetic disturbances such as magnetic storms. INTERNATIONAL STANDARD ISO 22009:2009(E) ISO 2009 All right
17、s reserved 1Space systems Space environment (natural and artificial) Model of the earths magnetospheric magnetic field 1 Scope This International Standard describes the main magnetospheric large-scale current systems and the magnetic field in the earths magnetosphere and provides the main requiremen
18、ts for a model of the magnetospheric magnetic field. Ionospheric currents are not considered in this International Standard. Annex A of this International Standard gives a worked example of the model and establishes the parameters of magnetospheric large-scale current systems that change according t
19、o conditions in the space environment. This International Standard can be used to develop new models of the magnetospheric magnetic field. Such models are useful in investigating the physical processes in the earths magnetosphere as well as in calculations associated with developing, testing and est
20、imating the results of exploitation of spacecrafts and other equipment operating in the space environment. The main goals of standardizing the concepts of the earths magnetospheric magnetic field are to provide an unambiguous presentation of the magnetic field in the earths magnetosphere; compatibil
21、ity for the results of the interpretation and analysis of space experiments; less labour-intensive calculations of the magnetic field of magnetospheric currents in space at geocentric distances of 1,0 to 6,6 earth radii, R E ; the most reliable calculations of all elements of the geomagnetic field i
22、n the space environment. The magnetic field model presented in Annex A of this International Standard can be used to predict the radiation conditions in space, including the periods of intense magnetic disturbances (magnetic storms), when developing systems of spacecraft magnetic orientation and whe
23、n forecasting the influence of magnetic disturbances on transcontinental piping and power transmission lines. 2 Terms and definitions For the purposes of this document, the following terms and definitions apply. 2.1 internal magnetic field main magnetic field magnetic field produced by the sources i
24、nside the earths core NOTE It can be presented in the form of a series of spherical harmonic functions. The expansion coefficients International Geomagnetic Reference Field (IGRF) model undergo very slight changes in time. The International Association of Geomagnetism and Aeronomy (IAGA) is responsi
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