Fire ventilation

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List of fi gures Drawn illustrations: Per Hardestam Photos: Peter Lundgren (p. 12, 13, 22, 41, 46, 61, 65, 66, 67, 73, 74, 76, 77–80, 82–85, 89–94, 98, 112) Kjell Gustafsson (p. 16, 20, 25) Kjell Nilsson (p. 8, 26, 80 large picture at bottom of page) Stefan Svensson (p. 81 picture at top of page, 86) Birger Markusson (p. 10, 11, pictures from video fi lm) Partner AB (s. 91, small photo) Tommy Lindblom (front cover) 119
120
Page 1 and 2:
T o carry out fire and rescue opera
Page 3 and 4:
The content of this book may not be
Page 5 and 6:
Inlets 51 Horizontal fi re ventilat
Page 7 and 8:
6 Foreword In this book fi re venti
Page 10 and 11:
chapter 1 Fire ventilation The fund
Page 12 and 13:
Openings to gain access to a fi re
Page 14 and 15:
would be the case, for example, in
Page 16:
esults in quicker and more simple e
Page 19 and 20:
Pyrolysis Irreversible chemical dec
Page 21 and 22:
Flashover results in a fully develo
Page 24 and 25:
chapter 3 Fire gases Fire gases is
Page 26:
gases is produced that contains inc
Page 29 and 30:
28 The dynamic pressure differences
Page 31 and 32:
Pressure differences produced by di
Page 33 and 34:
The hydrodynamic pressure differenc
Page 35 and 36:
34 The distribution of pressure rou
Page 37 and 38:
There can be very complex wind cond
Page 39 and 40:
In buildings erected during the 196
Page 41 and 42:
Calculation of thermal expansion St
Page 43 and 44:
Calculation of thermal buoyancy for
Page 45:
44 The different pressure differenc
Page 49 and 50:
Watt Rate of heat release is measur
Page 51 and 52:
Calculation of the size of outlets
Page 53 and 54:
52 almost always preferable to stri
Page 55 and 56:
The mass fl ow through the inlet ca
Page 57 and 58:
Openings and ventilation can be imp
Page 59 and 60:
When a room or a fi re cell is cons
Page 61 and 62:
60 sure ventilation can also be app
Page 63 and 64:
62 Negative pressure ventilation is
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64 The pressurising of adjacent roo
Page 67 and 68:
Fans can during positive pressure v
Page 69 and 70: 68 A large outlet produces a larger
Page 71 and 72: The volume fl ow in the outlet is g
Page 73 and 74: 72 a hall and no other internal con
Page 76 and 77: chapter 6 Creating openings Opening
Page 78 and 79: Electric motor powered tools The el
Page 80 and 81: The circular saw is used to saw woo
Page 82: plastic explosive is placed in the
Page 85 and 86: 84 Example of securing during work
Page 88 and 89: chapter 8 Openings in different roo
Page 90 and 91: its way through on its own, without
Page 92 and 93: drop down on personnel standing on
Page 94 and 95: It is a good idea if the outer open
Page 96 and 97: A completely manual shutter, often
Page 98: In buildings that have systems for
Page 101 and 102: The measures that are initiated, co
Page 103 and 104: 102 It is only through control that
Page 105 and 106: 104
Page 107 and 108: A small fi re in a large room cause
Page 109 and 110: Flashover has still not taken place
Page 111 and 112: Flashover has taken place and the f
Page 113 and 114: 112 Piercing nozzle (fog nail). Alt
Page 115 and 116: 114 To take into consideration at s
Page 117 and 118: 116 Further reading Bengtsson, L. (
Page 119: 118 Särdqvist, S. (1994). Övertry
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Fire ventilation

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