Draft Coanda Effect on tower blocks

1. Why Blueproof is the only cost effec3ve fire
suppression device that would stop rapid
fire spread in a tower block
Author Dave Atkinson Bluerad HSEQ
www.bluerad.eu

2. Easily installed on radiator(s)
www.bluerad.eu
To Provide water where and when it is needed
the most in a fire.
Blueproof TM does not need a separate supply.
Thousands installed with no leaks or failures

3. ‘Coanda’ effects on windows
IllustraBon taken from an arBcle wriDen by Technical Manager,
Derek Quinn. Derek is responsible for designing and
developing our high specificaBon doors, windows
and glazing systems to protect against physical threat.
This threat can be ballisBc, blast pressure, physical
aDack, or fire. His knowledge and experience from
working for over twenty years in the sector enables
him to direct our product development, parBcularly
in the fields of blast and fire protecBon.
Pensher Skytech’s
Technical Manager
Ref: hCp://pensher-skytech.com/opinion-piece-grenfell-tower/
Photo Flickr
www.bluerad.eu

4. Fire door
Fire door
Ini3al
Event
2000 kW
In 1 min
Brigade ex3nguish fire in 6 mins
Other possible vent paths internally
Radiator
Consider A Tower Block
Radiator
Pressure in radiator
On exposure to fire
Rises to 9 bar
Nb . A sprinkler will not penetrate a fiCed unit
Photo Flickr
www.bluerad.eu

5. Fire door Glass shaCers
And windows melt
Fire
compartment
Fire door
Fire
compartment
Fire spreads by surging
Upwards to the window
igni3ng exterior cladding
Flash
Over occurs
Coanda Effect
And repeats
Rapid Fire Spread Occurs
Photo Flickr
www.bluerad.eu

6. Fire door
Fire door
Blueproof ac3vates on upper floor
Blueproof ac3vates
With Blueproof FiCed
Nb. Blueproof Is not a fixed paCern. It will spray through an open window
Photo Flickr
www.bluerad.eu
And repeats

7. Water expands to 1760 3mes
its volume
Flash over
Eliminated (proven)
And repeats if there is
any fire carry over
Even with an exterior
chimney effect
Proven
at BRE
Proven
at Ollerton
Photo Flickr
www.bluerad.eu
With Blueproof fiCed the fire is suppressed

8. Thousands now fiCed
www.bluerad.eu
Photo Flickr