This Standard specifies a method for assessing the heat release rate of a specimen exposed in the horizontal orientation to controlled levels of irradiance with an external igniter. The heat release rate is determined by measurement of the oxygen consumption derived from the oxygen concentration and the flow rate in the combustion product stream. The time to ignition (sustained flaming) is also measured in this test.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this 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 normative document referred to applies.
Contents Foreword II 1 Scope 2 Normative References 3 Terms and Definitions 4 Symbols 5 Principle 6 Apparatus 7 Suitability of a Product for Testing 8 Specimen Construction and Preparation 9 Test Environment 10 Calibration 11 Test procedure 12 Calculations 13 Test Report Appendix A (Informative) Commentary and Guidance Notes for Operators Appendix B (Informative) Resolution, Precision and Bias Appendix C (Informative) Mass Loss Rate and Effective Heat of Combustion Appendix D (Informative) Testing in the Vertical Orientation Appendix E (Informative) Calibration of the Working heat Flux meter Appendix F (Informative) Calculation of Heat release with Additional Gas Analysis Bibliography
1 Scope
This Standard specifies a method for assessing the heat release rate of a specimen exposed in the horizontal orientation to controlled levels of irradiance with an external igniter. The heat release rate is determined by measurement of the oxygen consumption derived from the oxygen concentration and the flow rate in the combustion product stream. The time to ignition (sustained flaming) is also measured in this test.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this 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 normative document referred to applies.
Contents of GB/T 16172-2007
Contents
Foreword II
1 Scope
2 Normative References
3 Terms and Definitions
4 Symbols
5 Principle
6 Apparatus
7 Suitability of a Product for Testing
8 Specimen Construction and Preparation
9 Test Environment
10 Calibration
11 Test procedure
12 Calculations
13 Test Report
Appendix A (Informative) Commentary and Guidance Notes for Operators
Appendix B (Informative) Resolution, Precision and Bias
Appendix C (Informative) Mass Loss Rate and Effective Heat of Combustion
Appendix D (Informative) Testing in the Vertical Orientation
Appendix E (Informative) Calibration of the Working heat Flux meter
Appendix F (Informative) Calculation of Heat release with Additional Gas Analysis
Bibliography
