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GB/T 31593.7-2015: Fire safety engineering -- Part 7: Requirements governing algebraic equations for ceiling jet flows
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| GB/T 31593.7-2015 | English | 359 |
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Fire safety engineering -- Part 7: Requirements governing algebraic equations for ceiling jet flows
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GB/T 31593.7-2015
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Basic data | Standard ID | GB/T 31593.7-2015 (GB/T31593.7-2015) | | Description (Translated English) | Fire safety engineering -- Part 7: Requirements governing algebraic equations for ceiling jet flows | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | C80 | | Classification of International Standard | 13.220.01 | | Word Count Estimation | 17,188 | | 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 | | Adopted Standard | ISO 16736-2006, 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 formula for calculating eigenvalues ??ceiling jet application requirements, provides a ceiling jet formulas related to the following general requirements apply: Describe a) physical phenomena; limitations c) the calculation formula; ; b) calculations d) The formula input parameters; e) the scope of the calculation formula. This section applies to the construction of fire protection engineering design and performance assessment calculations ceiling jet. | GB/T 31593.7-2015: Fire safety engineering -- Part 7: Requirements governing algebraic equations for ceiling jet flows
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Fire safety engineering Part 7. Requirements governing algebraic equations for ceiling jet flows
ICS 13.220.01
C80
National Standards of People's Republic of China
Fire Safety Engineering
Part 7. ceiling jet computing requirements
Part 7. Requirementsgoverningalgebraicequationsforceilingjetflows
(ISO 16736.2006, Firesafetyengineering-
Requirementsgoverningalgebraicequations-Ceilingjetflows, 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
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 731,593.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This section uses redrafted Law Amendment uses ISO 16736.2006 "Fire Safety Engineering formulas ceiling exit control requirements
flow".
This part of ISO 16736.2006, compared with more adjustment in the structure, listed in Appendix A of this part of the ISO 16736.2006
The reg number control list.
This part of ISO 16736.2006 is a technical difference between the normative references have been adjusted technical differences, in order to adapt
Our technical conditions, adjust the focus reflected in Chapter 2, "Normative references", the specific adjustments are as follows.
--- With GB/T 5907 (all parts) in place of the ISO 13943 (see Chapter 3).
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 "GB/T 31593 this part" or "this part";
--- The International Standard Information Appendix A of this Part choreography informative Appendix B, the international standards in the appendix of terms and definitions
This section is adjusted to the body of Chapter 3, delete the definition of common terminology section, adjust the formatting symbols;
--- Certain punctuation modified to comply with international standards of the Chinese habit of punctuation.
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. Zhang Yuxian, Deng Songhua, Guo Song, Yao easing, Han Weiping, Bishao Ying, Chi will be strong, strong Kan Lu Shou Hong, Wu Chung day,
Charles Zhang, Zheng Wei.
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;
--- Analysis of fire hazards and other flue gas transmission and flashover separated space.
For ceiling jet, the formula can be used to estimate the first to start a fire detector and sprinkler response time, as well as some structural configuration
Member failure time (such as a plastic roof or skylight). Appendix B of this part of the quasi-steady and axisymmetric ceiling jet Formulas
Application examples.
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 7. ceiling jet computing requirements
1 Scope
GB/T 31593 provisions of this part of the ceiling jet characteristic value calculation formula method requires the application provides a calculation and ceiling jet
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 of fire protection engineering design and performance assessment ceiling jet calculations.
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)
3 Terms and Definitions
GB/T 5907 defined by the following terms and definitions apply to this document.
3.1
Axisymmetric axisymmetric
< Ceiling jet> average and average kinetic movement characteristic parameters (such as the average temperature) along a vertical center line of symmetry.
3.2
Ceiling ceiling
Any building in a confined space (such as a building or a room inside a vehicle cabin) the maximum boundary.
3.3
Ceiling jet ceilingjet
Under the impetus of the fire plume of high temperature combustion products along the ceiling beneath the surface layer of the gas flow.
3.4
Fire plume fireplume
Turbulent flow upwardly by the buoyancy generated by combustion is formed, typically includes a lower combustion zone.
3.5
Transfer to the fire plume area fireplumeturningregion
Ceiling jet fire plume flowing transition area defined by the radius of the fire plume with an effective ceiling height ratio of H-zV, H-zV value
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