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GB/T 31593.8-2015: Fire safety engineering -- Part 8: Requirements governing algebraic equations for vent flow
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Fire safety engineering -- Part 8: Requirements governing algebraic equations for vent flow
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GB/T 31593.8-2015
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Basic data | Standard ID | GB/T 31593.8-2015 (GB/T31593.8-2015) | | Description (Translated English) | Fire safety engineering -- Part 8: Requirements governing algebraic equations for vent flow | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | C80 | | Classification of International Standard | 13.220.01 | | Word Count Estimation | 25,280 | | Date of Issue | 2015-06-02 | | Date of Implementation | 2015-08-01 | | Quoted Standard | GB/T 5907.1; GB/T 5907.2; GB/T 5907.3; GB/T 5907.4; GB/T 5907.5; GB/T 31593.1; GB/T 31593.6 | | Adopted Standard | ISO 16737-2006, MOD | | Regulation (derived from) | National Standard Announcement 2015 No.19 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Standard specifies the characteristics of the airflow is calculated value method requires opening the application, provided with the opening airflow formulas related applications the following general requirements: Description a) physical phenomena; b) calculations; limitations c) Calculation Formula; d) input parameter calculation formulas; e) the scope of the calculation formula. This Standard applies to construction design and performance-based assessment of the opening calculated airflow. | GB/T 31593.8-2015: Fire safety engineering -- Part 8: Requirements governing algebraic equations for vent flow
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Fire safety engineering Part 8. Requirements governing algebraic equations for vent flow
ICS 13.220.01
C80
National Standards of People's Republic of China
Fire Safety Engineering
Part 8. Calculation opening airflow requirements
Part 8. Requirementsgoverningalgebraicequationsforventflow
(ISO 16737.2006, Firesafetyengineering-
Requirementsgoverningalgebraicequations-Ventflows, MOD)
Issued on. 2015-06-02
2015-08-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
Introduction Ⅳ
1 Scope 1
2 Normative references 1
3 Terms and definitions
Description of physical phenomena 2 4
5 2 calculations
Limitations Formulas 3 6
Enter the calculation formula parameters 3 7
8 Scope of formula 3
Appendix A (informative) of this section and the ISO 16737.2006 in the case of control reg number 4
Annex B (informative) Calculation Overview airflow opening 5
Annex C (informative) meet the requirements of Appendix B is calculated airflow opening 8
References 20
Foreword
GB/T 31593 "Fire Safety Engineering" is divided into nine sections.
--- Part 1. Calculation of the assessment, verification and validation;
--- Part 2. Type the required data and information;
--- Part 3. Fire Risk Assessment Guidelines;
--- Part 4. Setting fire scene and setting selection fire;
--- Part 5. Calculation of fire plume requirements;
--- Part 6. Calculation of the smoke layer requirements;
--- Part 7. Calculation ceiling jet requirements;
--- Part 8. Calculation of the opening airflow requirements;
--- Part 9. Evacuation Evaluation Guide.
This section GB/T Part of 831,593.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This section uses redrafted Law Amendment uses ISO 16737.2006 "Fire Safety Engineering formulas opening control requirements
airflow".
This part of ISO 16737.2006, compared with more adjustment in the structure, listed in Appendix A of this part of the ISO 16737.2006
The reg number control list.
This part of ISO 16737.2006 technical differences and for the following reasons.
--- On normative references, this part has been adjusted technical differences, in order to adapt our technical conditions, the adjusted situation
Focus is reflected in the status of Chapter 2, "Normative references", the specific adjustments are as follows.
● with the GB/T 5907 (all parts) in place of the ISO 13943 (see Chapter 3);
● Modify with international standards of GB/T 31593.1 replaces ISO /T R13387-3 (see 5.1,7.3);
--- International standard 1.1 to 1.4 to the column item (see Chapter 1);
--- International standard Appendix A, Appendix B Appendix B respectively choreography oriented portion, Appendix C;
--- International standards in Appendix A of the Terms and Definitions A.1.1 ~ A.1.13 adjusted to Chapter 3 of this Part, and delete A.1.3
(See 3.1 to 3.12).
For ease of use and compliance with the requirements of the relevant standards prepared, this section also made the following editorial changes.
--- Deleted international standards foreword, preface redrafted;
--- Modify the introduction of international standards, as a part of this introduction;
--- International standard "this International Standard" be replaced by "this section";
--- The International Standard some punctuation modified to comply with the Chinese habit of punctuation;
--- International standard symbols and abbreviations in Appendix A of the formatting has been adjusted;
--- Order the drawings in Appendix B of the international standard has been adjusted;
--- Added Appendix A (informative), gives this part of the international standard reg number control situation.
This section presents the People's Republic of China Ministry of Public Security.
This part of the National Standardization Technical Committee on Fire Building Fire Safety Engineering at the Technical Committee (SAC/TC113/SC13)
Centralized.
This section is drafted. Tianjin Fire Research Institute of Ministry of Public Security, Ministry of Public Security of Sichuan Fire Research Institute, University of Science and Technology of China, China Construction Division
Graduate School.
The main drafters of this section. Bishao Ying, Yao easing, Han Weiping, wisdom will be strong, strong Kan, Zhang Yuxian, Lu Shou Hong, Wu Chung day, Charles Zhang,
Deng Songhua, Zheng Wei, Guo song.
Introduction
The formula discussed in this section apply to setting fire scenario quantitative analysis, professionals without the need for complicated numerical calculation, it
Based on these equations can quickly determine whether the need to adjust the preliminary design of fire safety and how to adjust to meet the anticipated performance metrics to
begging. These formulas have been applied in the following areas.
--- Determination of fire plume convection, including convection and radiation;
--- Prediction ceiling jets in order to adjust the response time of the detector;
--- Calculate vent exhaust capacity;
--- Accumulation of smoke and fire hazards analysis flashover and other delimited space.
Different types of openings for airflow, this section of the Appendices B and C were given an example of the calculation formula to meet the requirements. appendix
B gives general information and conservation relations airflow openings, Annex C gives the calculated opening flow characteristics of the specific formula and calculation example.
GB/T 31593.1 provides for the use of mathematical formulas to calculate the general requirements fire dynamics, this section is with these general requirements
Body practices. If the consequences of the development of the mathematical model and the resulting fire use, the formula discussed in this section may be used for its
Conclusion verified.
This section for professionals engaged in fire safety engineering design personnel including fire, fire rescue personnel, fire standards
Makers, insurers, fire safety officers, standard user needs to fully understand the calculation method contained in this section are given in the relevant parameters
Meaning and application conditions.
Fire Safety Engineering
Part 8. Calculation opening airflow requirements
1 Scope
GB/T 31593 provisions of this part of the formula to calculate airflow eigenvalues \u200b\u200bopen method of application requirements and provide the opening airflow calculation
FORMULA relevant following general requirements.
a) description of physical phenomena;
b) calculations;
c) The formula limitations;
d) calculation of the input parameters of the formula;
e) the scope of the calculation formula.
This section applies to the construction project design and evaluation of fire performance calculated in the opening air flow.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 5907 (all parts) Fire Vocabulary
GB/T 31593.1 Fire safety engineering - Part 1. assessment of the calculation method, verification and validation (GB/T 31593.1-2015,
ISO 16730.2008, MOD)
GB/T 31593.6 Fire safety engineering - Part 6. smoke layer computational requirements (GB/T 31593.6-2015, ISO 16735.
2006, MOD)
3 Terms and Definitions
GB/T 5907 defined by the following terms and definitions apply to this document.
3.1
Boundary surface boundary
Determine the surface interior range.
3.2
Reference datum
Assessment of static pressure distribution is used as the reference height height.
3.3
Flow coefficient flowcoefficient
Represented by the empirical coefficient between the actual flow rate and the theoretical flow openings (3.11) differences.
3.4
Static pressure hydrostaticpressure
Highly correlated with pressure gradient.
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