ISO 23020:2021

Name: ISO 23020:2021 — Space systems — Determination of test methods to characterize material or component properties required for break-up models used for Earth re-entry
SKU: ISO 23020:2021
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Space systems — Determination of test methods to characterize material or component properties required for break-up models used for Earth re-entry

Название (английский):

ISO 23020:2021

Space systems — Determination of test methods to characterize material or component properties required for break-up models used for Earth re-entry

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 16
Дата публикации:: 15 сентября 2021 г.
Издание:: ISO IS 23020 edition 1 version 1
ICS:: 49.140

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Описание (английский):

This document defines the elementary thermal tests to obtain thermal properties of materials and composite materials used to manufacture space body to support the fragmentation and survivability analysis. This document does not apply to spacecraft containing nuclear power sources[1].

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 23020:2021 - Space systems: Determination of test methods to characterize material or component properties required for break-up models used for Earth re-entry - defines elementary thermal test methods to obtain the material properties needed for breakup (fragmentation) and survivability modelling of space bodies during Earth re‑entry. The standard focuses on characterizing thermal response of metals, organics, ceramics and composite materials used in spacecraft structures. Note: ISO 23020:2021 does not apply to spacecraft containing nuclear power sources.

Key Topics and Requirements

Purpose: Provide consistent, well‑defined thermal characterization to feed breakup and survivability simulations that predict fragment size, trajectory and ground impact risk.

Methodology (Section 4): Defines the approach for material characterization, including temperature ranges, types of thermal tests, test conditions and degradation mechanisms relevant to re‑entry (e.g., ablation, charring).

Elementary tests (Section 5): Lists the minimum set of thermal tests required for model inputs (thermal conductivity, heat capacity, emissivity, decomposition/char behavior, etc.). Tests are specified for both virgin and charred states of organic composites.

Material-specific guidance (Sections 6–8): Test conditions and recommended standards are outlined separately for:

Metallic and metallic composites
Organic materials and organic composites
Ceramic and ceramic composites

Key properties referenced: emissivity (spectral/total), glass transition (Tg), ablation behavior and other thermophysical properties relevant to aero‑thermo‑mechanical breakup modelling.

Interoperability: Encourages harmonized test data exchange between manufacturers, test laboratories and regulatory authorities.

Applications and Who Uses It

ISO 23020:2021 is intended for professionals involved in:

Spacecraft design and materials selection - to provide validated inputs for breakup/survivability analysis

Re‑entry risk analysts and simulation teams - to improve fidelity of fragment generation and survival models

Test laboratories and material characterization facilities - to standardize thermal test protocols used for space materials

Regulatory bodies and certification authorities - to assess compliance with casualty‑risk and debris mitigation rules

Practical benefits include more reliable re‑entry fragment predictions, consistent material datasets across suppliers, and streamlined compliance with safety regulations for unmanned spacecraft.

Related Standards

ISO 24113 - Space systems - Space debris mitigation requirements (referenced contextually)

ISO 14620-2 - Debris from objects separating during ascent

ISO 27875 - Assessment and mitigation of re‑entry risks

Keywords: ISO 23020:2021, space systems, Earth re‑entry, break‑up models, thermal tests, material characterization, fragmentation, survivability, re‑entry debris, composite materials, emissivity.

ISO 23020:2021

Abstract

Похожие стандарты

Overview

Key Topics and Requirements

Applications and Who Uses It

Related Standards

Технические детали

BS ISO 24113:2023

Space systems. Space debris mitigation requirements.

BS ISO 14620-2:2019

Space systems. Safety requirements. Launch site operations.

ISO 27875:2010

Space systems — Re-entry risk management for unmanned spacecraft and launch vehicle orbital stages