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ISO 11227:2012
Space systems — Test procedure to evaluate spacecraft material ejecta upon hypervelocity impact
Automatically translated name:
Space systems -- Test procedure to evaluate spacecraft material ejecta upon hypervelocity impact
STANDARD published on 11.9.2012
The information about the standard:
Designation standards: ISO 11227:2012
Publication date standards: 11.9.2012
SKU: NS-422952
The number of pages: 23
Approximate weight : 69 g (0.15 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 11227:2012 :
Description / Abstract: ISO 11227:2012 describes an experimental procedure for assessing the behaviour, under orbital debris or meteoroid impacts, of materials that are intended to be used on the external surfaces of spacecraft and launch vehicle orbital stages. ISO 11227:2012 provides a unified method by which to rank materials. The ejecta production characteristics of different materials are compared under standardized conditions in which test parameters are fixed to one number. Optional tests with different parameters are also useful for the proper selection of materials in other conditions, and they could be performed as research items. ISO 11227:2012 establishes the requirements to be satisfied for the test methods in order to characterize the amount of ejecta produced when a surface material is impacted by a hypervelocity projectile. Its purpose is to evaluate the ratio of ejecta total mass to projectile mass, and the size distribution of the fragments. These are the necessary inputs for modelling the amount of impact ejecta that a surface material might release during its orbital lifetime, thereby helping to assess its suitability for space use while mitigating the production of small space debris. The purpose of ISO 11227:2012 is to provide data that need to be taken into account in the selection of outer spacecraft materials, though the selection is not based on these criteria alone. The experimental procedure defines the type of facility to be used, the size, velocity and type of projectile to be used, the evaluation of impact ejecta released, the reporting of test results, and the quality requirements to be used. ISO 11227:2012 is applicable to spacecraft and launch vehicles operating in all types of Earth orbits.
These changes apply to this standard:
ISO 11227:2012/Amd1:2021
Change
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Space systems — Test procedure to evaluate spacecraft material ejecta upon hypervelocity impact — Amendment 1: Oblique impacts and Annex C update
(Systemes spatiaux — Mode opératoire d´essai pour l´évaluation des éjectats de matériaux des véhicules spatiaux résultant d´impacts a hypervitesse — Amendement 1)
Change published on 25.1.2021
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