GB/T 38194-2019 English PDF

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GB/T 38194-2019: Design requirements for mitigation of operational debris of launch vehicle
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Basic data

Standard ID: GB/T 38194-2019 (GB/T38194-2019)
Description (Translated English): Design requirements for mitigation of operational debris of launch vehicle
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: V73
Classification of International Standard: 49.140
Word Count Estimation: 14,127
Date of Issue: 2019-10-18
Date of Implementation: 2020-05-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 38194-2019: Design requirements for mitigation of operational debris of launch vehicle

---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.
Design requirements for mitigation of operational debris of launch vehicle ICS 49.140 V73 National Standards of People's Republic of China Launch vehicle operational debris mitigation design requirements Published on.2019-10-18 2020-05-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Design Principle 2 5 Design Requirements 2 5.1 Spacecraft separation 2 5.2 Carrier Rocket Passivation 3 5.3 The final stage of the launch vehicle is off track 4 5.4 Disposal of self-destruction device of launch vehicle 4 6 Verification project and requirements 4 6.1 Spacecraft separation 4 6.2 Carrier Rocket Passivation 5 6.3 The final stage of the launch vehicle or the upper stage is off track 5 6.4 Disposal of self-destruction device of launch vehicle 5 7 Fragment Mitigation Performance Assessment 5 7.1 Evaluation Principle 5 7.2 Spacecraft separation 5 7.3 Final stage passivation of the launch vehicle 6 7.4 The final stage of the launch vehicle is off track 6 7.5 Disposal of self-destruction device of launch vehicle 6 Appendix A (informative) Explosive bolt debris mitigation design and verification 7

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and managed by the National Aerospace Technology and its Application Standardization Technical Committee (SAC/TC425). This standard was drafted. Beijing Aerospace Systems Engineering Research Institute. The main drafters of this standard. Feng Yiwei, Chen Sijia, Lu Kai, Song Yuping, He Wei, Jiang Wei, Yu Yu, Zhang Tao, Xu Qian, Zhang Ran, Lu Songtao, Xie Wei.

Introduction

During the launching of the launch vehicle and subsequent flight, it is necessary to pass the spacecraft separation and the final passivation process, which may generate spacecraft and air The environment is contaminated with gas or space debris, where separation and passivation actions are important sources of operational debris. As one of the first member states to join the International Interagency Space Debris Coordination Committee (IADC), China opened in the.1990s. Conducted research on space debris, through the overall technical research of the launch vehicle, the study of the final active off-track technology, the passivation of the launch vehicle equipment, and the Research on slice control technology and mitigation engineering implementation of operational debris, breaking through relevant key technologies and verifying them in launch vehicles Successful application, rich experience in development and engineering application for the design of the mitigation of operational debris of the launch vehicle, the active model carrier rocket will be Operational debris control and post-mission passivation operations are incorporated into the task flow. This standard will be applied to the separation of spacecraft, the final passivation of the launch vehicle, the final stage of the launch vehicle, and the self-destruction device of the launch vehicle. Research on the mitigation design of operational debris, through in-depth theoretical analysis and necessary ground testing, may be applicable to spacecraft during work Design work for all aspects of pollution, or possible operational debris, provides effective guidance. The establishment of design requirements will enable The operational debris mitigation design after the rocket is put into orbit becomes standardized and orderly, which makes the serialization of the product possible, thus setting up the separation scheme. Design guidelines for the design of the final stage passivation scheme for the launch vehicle, and guide the design of the mitigation of operational debris for the launch vehicle. Launch vehicle operational debris mitigation design requirements

1 Scope

This standard specifies the design principles, design requirements, verification items and requirements for operational debris mitigation techniques for launch vehicles (or higher). And debris mitigation performance assessment. This standard applies to the design of operational debris mitigation in the entire operation of the launch vehicle from orbit to derailment.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. Design requirements for GB/T 32295 launch vehicle residual propellant emissions GB/T 32455 carrier rocket terminology GB/T 34513 Space debris mitigation requirements

3 Terms and definitions

The following terms and definitions as defined in GB/T 32455 and GB/T 34513 apply to this document. 3.1 Carrier rocket operational debris operationaldebrisoflaunchvehicle The entire normal life of the launch vehicle from orbit to the on-orbit, depending on the specific technical conditions and design requirements, may or may be Objects that are released and released into the orbit, but do not include accidentally generated debris. Note 1. Operational debris does not include combustion products of solid engines. Note 2. Such as adapters, connectors, protective devices and/or other components. 3.2 Separation system Accept the separation command issued by the control system, complete the specified separation action according to the separation timing, and realize the predetermined separation of a separation event. A general term for the functions and required mechanisms, structures, and devices. 3.3 Connection unlocking device combinationandunlockingdevice The device for maintaining and releasing the structure and electrical system connection constraints between the two separated bodies is realized before and after the separation command is issued. 3.4 Separation impulse device separationimpulsedevice A means for providing the energy required for the separation to achieve the relative relative separation speed of the two centroids relative velocity. 3.5 Passivation passivation By performing actions, measures to eliminate or release energy stored in the final stage of the orbital launch vehicle that may cause the explosion to disintegrate. Note. including depletion or emptying of the remaining propellant and high pressure gas in the final stage or upper stage of the launch vehicle, eliminating the charge in the battery and the safety of the pyrotechnics Processing and so on. ......

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