EN 16602-70-09-2015 en Space product assurance - Measurements of thermo-optical properties of thermal control materials《航空产品质量保证 热控材料的热光学特性的测量值》.pdf

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1、BSI Standards PublicationBS EN 16602-70-09:2015Space product assurance Measurements of thermo-optical properties of thermalcontrol materialsBS EN 16602-70-09:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN16602-70-09:2015.The UK participation in its prepara

2、tion was entrusted to TechnicalCommittee ACE/68, Space systems and operations.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correct

3、application. The British Standards Institution 2015. Published by BSI StandardsLimited 2015ISBN 978 0 580 86497 1ICS 49.140Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Commi

4、ttee on 31 January 2015.Amendments issued since publicationDate Text affectedBS EN 16602-70-09:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16602-70-09 January 2015 ICS 49.140 English version Space product assurance - Measurements of thermo-optical properties of thermal control materials

5、 Assurance produit des projets spatiaux - Mesures des proprits thermo-optiques des matriaux de contrle thermique Raumfahrtproduktsicherung - Messung der thermo-optischen Eigenschaften von Materialien zur Thermalkontrolle This European Standard was approved by CEN on 11 October 2014. CEN and CENELEC

6、members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on appli

7、cation to the CEN-CENELEC Management Centre or to any CEN and CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN and CENELEC member into its own language and notifie

8、d to the CEN-CENELEC Management Centre has the same status as the official versions. CEN and CENELEC members are the national standards bodies and national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic

9、of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2

10、015 CEN/CENELEC All rights of exploitation in any form and by any means reserved worldwide for CEN national Members and for CENELEC Members. Ref. No. EN 16602-70-09:2015 EBS EN 16602-70-09:2015EN 16602-70-09:2015 (E) 2 Table of contents Foreword 5 Introduction 6 1 Scope . 7 2 Normative references .

11、8 3 Terms, definitions and abbreviated terms 9 3.1 Terms defined in other standards . 9 3.2 Terms specific to the present standard . 9 3.3 Abbreviated terms. 9 4 Requirements 10 4.1 Preparatory conditions 10 4.1.1 Hazards, health and safety precautions 10 4.1.2 Preparation of samples . 10 4.1.3 Faci

12、lities 11 4.2 Selection of test methods 11 4.3 Quality assurance . 12 4.3.1 Data 12 4.3.2 Calibration . 12 4.4 Audit of measurement equipment . 12 4.4.1 General . 12 4.4.2 Audit of the system (acceptance) 13 4.4.3 Annual regular review (maintenance) of the system 13 4.4.4 Special review . 13 Annex A

13、 (normative) Evaluation report of the measurement of thermo-optical properties of thermal control materials DRD . 14 A.1 DRD identification . 14 A.1.1 Requirement identification and source document 14 A.1.2 Purpose and objective . 14 A.2 Expected response . 14 A.2.1 Scope and content 14 BS EN 16602-

14、70-09:2015EN 16602-70-09:2015 (E) 3 A.2.2 Special remaks . 14 Annex B (normative) Audit / review report for the measurement equipment of thermo-optical properties of thermal control materials - DRD 15 B.1 DRD identification . 15 B.1.1 Requirement identification and source document 15 B.1.2 Purpose a

15、nd objective . 15 B.2 Expected response . 15 B.2.1 Scope and contents 15 B.2.2 Special remarks 15 Annex C (informative) Test methods . 16 C.1 Format 16 C.2 Solar absorptance using spectrometer (s) . 16 C.2.1 General . 16 C.2.2 Configuration of samples. 16 C.2.3 Test apparatus and setting up . 17 C.2

16、.4 Test process and measurement 17 C.2.5 Calculation of absorptance 17 C.3 Comparative test method (p) . 18 C.3.1 General . 18 C.3.2 Configuration of samples. 18 C.3.3 Test apparatus and setting up . 19 C.3.4 Test process and measurement 19 C.3.5 Calculations 19 C.4 Infrared emittance using thermal

17、test method (eh) . 20 C.4.1 General . 20 C.4.2 Configuration of samples. 20 C.4.3 Test apparatus and setting up . 20 C.4.4 Test process and measurement 20 C.4.5 Calculations of total hemispherical emittance 22 C.5 Infrared emittance using IR spectrometer (eh) . 23 C.5.1 General . 23 C.5.2 Configurat

18、ion of samples. 23 C.5.3 Test apparatus and setting up . 23 C.5.4 Test process and measurement 23 C.5.5 Calculation of emittance 24 C.6 Infrared emittance using portable equipment (en) 24 C.6.1 General . 24 BS EN 16602-70-09:2015EN 16602-70-09:2015 (E) 4 C.6.2 Configuration of samples. 24 C.6.3 Test

19、 apparatus and setting up . 25 C.6.4 Test process and measurement 25 C.6.5 Calculation of the normal emittance 25 Bibliography . 26 Figures Figure C- 1: Standard sample substrate . 21 BS EN 16602-70-09:2015EN 16602-70-09:2015 (E) 5 Foreword This document (EN 16602-70-09:2015) has been prepared by Te

20、chnical Committee CEN/CLC/TC 5 “Space”, the secretariat of which is held by DIN. This standard (EN 16602-70-09:2015) originates from ECSS-Q-ST-70-09C. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest

21、by July 2015, and conflicting national standards shall be withdrawn at the latest by July 2015. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such paten

22、t rights. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. This document has been developed to cover specifically space systems and has therefore precedence over any EN covering the same scope but with a wider domain of

23、applicability (e.g. : aerospace). According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav

24、Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 16602-70-09:2015EN 16602-70-09:2015 (E) 6 Intro

25、duction The thermo-optical properties of materials are of importance to enable the calculation of the thermal housekeeping and radiative heat transfer. This Standard describes the methodology, instruments, equipment and samples, used to calculate the thermo-optical properties of thermal-control mate

26、rials, i.e. solar absorptance s or p and the infrared emittance eh or en. In general this procedure has been written in connection with instruments and equipment available at ONERA, INTESPACE and ESTEC; however, any supplier is encouraged to built up his own instrument or equipment provided the accu

27、racy of the results is equivalent to the one specified herein. In this Standard, the supplier is identified as the entity that performs the test. BS EN 16602-70-09:2015EN 16602-70-09:2015 (E) 7 1 Scope This Standard describes the methodology, instruments, equipment and samples, used to calculate the

28、 thermo-optical properties of thermal-control materials. The following test methods are detailed in this Standard including the configuration of samples and calculations: Solar absorptance using spectrometer (s) - (see Annex C.2). Comparative test method (p) - (see Annex C.3). Infrared emittance usi

29、ng thermal test method (eh) - (see Annex C.4). Infrared emittance using IR spectrometer (eh) - (see annex C.5). Infrared emittance using portable equipment (en) - (see Annex C.6). This standard may be tailored for the specific characteristics and constraints of a space project in conformance with EC

30、SS-S-ST-00. BS EN 16602-70-09:2015EN 16602-70-09:2015 (E) 8 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this ECSS Standard. For dated references, subsequent amendments to, or revisions of any of these pub

31、lications do not apply. However, parties to agreements based on this ECSS Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references the latest edition of the publication referred to applies. EN refer

32、ence Reference in text Title EN 16601-00-01 ECSS-S-ST-00-01 ECSS system Glossary of terms EN 16602-10 ECSS-Q-ST-10 Space product assurance Product assurance management EN 16602-10-09 ECSS-Q-ST-10-09 Space product assurance Nonconformance control system EN 16602-20-07 ECSS-Q-ST-20-07 Space product as

33、surance Quality assurance for test centres EN 16602-70-02 ECSS-Q-ST-70-02 Space product assurance Thermal vacuum outgassing test for the screening of space materials BS EN 16602-70-09:2015EN 16602-70-09:2015 (E) 9 3 Terms, definitions and abbreviated terms 3.1 Terms defined in other standards For th

34、e purpose of this Standard, the terms and definitions from ECSS-S-ST-00-01 apply. 3.2 Terms specific to the present standard 3.2.1 absorptance ratio of the intensity of the incident light to the transmitted or reflected light 3.2.2 emittance (e) ratio of the radiant intensity of the specimen to that

35、 emitted by a black body radiator at the same temperature and under the same geometric and wavelength conditions NOTE For example: Hemispherical emittance (eh) - conditions for incident or viewing of flux over a hemispherical region. Normal emittance (en) - conditions for incidence or viewing throug

36、h a solid angle normal to the specimen. 3.2.3 solar absorptance () ratio of the solar radiant flux absorbed by a material (or body) to that incident upon it NOTE Differentiation is made between two methods: Spectroscopic method using a photospectrometer covering the range from 0,25 mm up to 2,5 mm f

37、or the determination of s. Portable equipment using a xenon flash for relative measurements (p). 3.3 Abbreviated terms The abbreviated terms defined in ECSS-S-ST-00-01 apply. BS EN 16602-70-09:2015EN 16602-70-09:2015 (E) 10 4 Requirements 4.1 Preparatory conditions 4.1.1 Hazards, health and safety p

38、recautions a. For “Safety and security” ECSS-Q-ST-20-07C shall apply. NOTE For example, for hazard and health (safety) and for access control (security). 4.1.2 Preparation of samples 4.1.2.1 Configuration a. The supplier shall prepare the material samples according to the process specification or ma

39、nufacturers data. b. The material shall be representative of batch variance. NOTE For example: the application procedure for paint can result in different thermo-optical properties, depending on the painter and the type of spray gun used. This is the reason why the samples are coated or made at the

40、same time as the workpiece. 4.1.2.2 Cleaning a. Cleaning method and other treatment of the sample shall be the same (and not more) as for the flight hardware. NOTE In particular, solar absorptance properties are very sensitive to contamination and if the sample or the flight hardware is contaminated

41、 (even by hand grease), the test results are completely erroneous. 4.1.2.3 Handling and storage a. The supplier shall handle the samples with clean nylon or lint-free gloves. BS EN 16602-70-09:2015EN 16602-70-09:2015 (E) 11 b. The supplier shall store the samples in a cleanliness-controlled area, wi

42、th a room temperature of (20 3) C and relative humidity of (55 10) %. c. The supplier shall shield coated surfaces from contact by using polyethylene or polypropylene bags or sheets. d. The supplier shall avoid mechanical damage of the sample by packing the polyethylene or polypropylene-wrapped work

43、pieces in clean, dust- and lint-free material. e. The supplier shall label limited-life materials with their relative shelf lives and dates of manufacture. 4.1.2.4 Identification a. The supplier shall use a completed “Material identification card” in conformance with DRD in ECSS-Q-ST-70-02 for sampl

44、es submitted for testing. b. The supplier shall verify the existence of a safety data sheet for hazardous samples NOTE The safety data sheet is a set of information provided by the supplier of the chemical substance. 4.1.3 Facilities 4.1.3.1 Cleanliness a. The supplier shall keep the work area clean

45、 and free of dust. b. The supplier shall use filters for the air used for ventilation. NOTE This is to prevent contamination of the sample. 4.1.3.2 Environmental conditions a. The ambient conditions for the process and work areas shall be (22 3) C with a relative humidity of (55 10) % unless otherwi

46、se stated. 4.1.3.3 Equipment a. The supplier shall define the equipment in the test procedure. 4.2 Selection of test methods a. The supplier shall select one or more of the following test methods depending on the type and size of the samples: 1. Solar absorptance using spectrometer (s), NOTE For det

47、ails and conditions for the samples see Annex C.2. 2. Comparative test method (p), NOTE For details and conditions for the samples see Annex C.3. BS EN 16602-70-09:2015EN 16602-70-09:2015 (E) 12 3. Infrared emittance using thermal test methods (eh), NOTE For details and conditions for the samples se

48、e Annex C.4. 4. Infrared emittance using IR spectrometer (eh), NOTE For details and conditions for the samples see Annex C.5. 5. Infrared emittance using portable equipment (en). NOTE For details and conditions for the samples see Annex C.6. 4.3 Quality assurance 4.3.1 Data a. The supplier shall ret

49、ain the quality records for ten years or in accordance with project contract requirements. NOTE Example of quality records are log sheets. b. An evaluation report shall be produced in conformance with Annex A and is a quality record 4.3.2 Calibration a. The supplier shall calibrate any measuring equipment to traceable reference standards. b. The supplier shall record any suspected or actual equipment failure as a project nonconformance report in conformance with NCR DRD in ECSS-Q-ST-10-09. NOTE This is to ensure that previous

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