Sprinklers and Smoke Management in Enclosures: 1st Edition (Hardback) book cover

Sprinklers and Smoke Management in Enclosures

1st Edition

By Essam E. Khalil, Dalia E.E. Khalil

CRC Press

176 pages | 176 B/W Illus.

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Hardback: 9780367860684
pub: 2020-06-05
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Description

This book addresses smoke management in enclosures. It provides a platform for understanding the principles of smoke propagation and spread, heat release rate, and effect of sprinklers on suppression. Considering how the sprinkler system has become a vital part of the firefighting systems in enclosures, the book evaluates the effect of sprinklers activation on the fire induced smoke behavior and the interaction of water particles with the smoke layer. It studies two base case models where the sprinklers effect on the fire curve was taken. This base case was assessed with two smoke extraction systems; namely, ducted system and impulse ventilation system. Focusing on key elements, such as visibility, ceiling height, and fire curve, the results of the study will be of interest to mechanical engineers, HVAC professionals, and fire safety professionals and investigators.

Table of Contents

ACKNOWLEDGMENT

TABLE OF CONTENTS *

LIST OF FIGURES *

LIST OF ABBREVIATIONS AND SYMBOLS *

PREFACE *

CHAPTER 1:INTRODUCTION 1

1.1 Sprinkled Enclosures and Atrium 1

1.2 Underground Car Park Smoke Control *

1.3 Hazards of Building Fire *

1.4 Elements of Fire and Smoke Management Systems *

1.5 Objectives of the Present Book 10

CHAPTER 2: VENTILATION AND SMOKE MANAGEMENT *

2.1 General *

2.2 Ventilation and smoke management Systems *

2.3 Sprinklers Activation Effect *

2.4 Design Approach *

2.5. Hydraulics of Sprinklers

CHAPTER 3 MATHEMATICAL ANALYSES

3.1 Major Components of the CFD Code *

3.2 Governing Equations *

3.3 Visibility *

3.4 Large Eddy Simulation (LES) *

CHAPTER 4:METHODOLOGY, RESULTS AND DISCUSSION *

4.1 Grid Sensitivity *

4.2 Assessment and Validation *

4.3 Computational Results for Case Study *

CHAPTER 5 :PROPOSED DESIGN OPTIONS *

5.1 Design Option 1: installation of the sprinklers below the smoke layer *

5.2 Design option 2: increasing sprinklers operating pressure *

5.3 Design option 3: application of fire decay curve *

CHAPTER 6:DESIGN OF COMPLEX SMOKE MANAGEMENT SYSTEMS

6.1 Design of Atrium smoke management system

6.2.Design of Smoke management of Car service centres

CHAPTER 7: CONCLUSIONS AND FOR FUTURE WORK *

7.1 Conclusions *

7.2 Recommendations for Future Work *

REFERENCES *

APPENDIX (A):DETAILED GOVERNING EQUATIONS *

A.1 Mass and Species Transport *

A.2 Momentum Transport *

A.3 Energy Transport *

A.4 Equation of State *

A.5 LES Approach *

APPENDIX (B):SPRINKLERS MODELLING ON PYROSIM *

B.1 Introduction *

B.2 Droplet Median Diameter Effect *

B.3 Droplets Count Effect *

About the Authors

Essam E. Khalil is a professor of Mechanical Engineering at Cairo University. He has over 47 years of experience in design and simulation of combustion chambers for terrestrial and aerospace applications. He has published more than 600 papers in journals and conference proceedings, as well as 12 books on combustion, energy, and indoor air quality control. Professor Khalil is also a Fellow of ASME, Fellow AIAA, Fellow ASHRAE; Distinguished Lecturer ASHRAE. He is editor of Energy & Buildings, Letters in CFD and, International Journal of Reacting Systems. He has received many international awards, including the ASME George Westinghouse Award recipient 2009, AIAA Energy Systems Award 2010, ASHRAE Distinguished Services Award 2010, AIAA Sustained Services Award 2011, and ASME James Harry Potter Gold Medal Award 2012.

Subject Categories

BISAC Subject Codes/Headings:
SCI065000
SCIENCE / Mechanics / Dynamics / Thermodynamics
TEC005050
TECHNOLOGY & ENGINEERING / Construction / Heating, Ventilation & Air Conditioning
TEC009020
TECHNOLOGY & ENGINEERING / Civil / General
TEC009070
TECHNOLOGY & ENGINEERING / Mechanical