Page 76 - International safety guide for oil tankers and terminals

INTERNATIONAL SAFETY GUIDE FOR OIL TANKERS AND TERMINALS

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Density of gas
plumes greatest
within darker
10 m
area
งานห้องสมุด ศูนย์ฝกพาณิชย์นาวี
a) One vent upwind vent upppwwwwinnnddd

Wind
14 m

1.5 m

ึ

21 m

Density of gas
plumes
greatest
within darker
area

Wind
14 m

6 m
1.5 m

Both illustrations above are based upon wind tunnel data of:
Gas mixture 50% by volume propane in air
Diameter of openings 152 millimetres
Wind speed 1.1 metres/sec
Total gas flow per opening 1220 cubic metres/hour

Figure 2.5 – Flammable zone from apertures near an accommodation block

42 © ICS/OCIMF/IAPH 2006