What is everyone's thoughts on how effective water curtains can be when used to protect exposures. We recently did a controlled burn with a detached garage about 30 feet from the structure we burned. We set up a water curtain to help protect it, but standing behind the curtain I could still feel a fair amount of heat. We also used a hand line to keep the garage wet and had no problems. I tried to explain to others on the dept. that I did not feel the water curtain was very effective except for keeping the garage wet. It did not seem to do much at all for radiant heat.
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Thread: Thoughts on water curtains??
11-06-2012, 09:28 PM #1
- Join Date
- Dec 2003
- N.W. Iowa
Thoughts on water curtains??
11-06-2012, 10:25 PM #2
Water curtains are mostly useless for controlling radiant heat. The best way to protect exposures is exactly what you said - apply the water to the surface of the exposure for best protection.Career Fire Lieutenant
Volunteer Chief Officer
Never taking for granted that I'm privilged enough to have the greatest job in the world!
11-07-2012, 10:06 AM #3
- Join Date
- Nov 2009
They need to remember the basics conduction, radiation, convection
11-07-2012, 10:19 AM #4
When you look at the BTU's passing through a given cross-section of space, i.e. the little film of water that a curtain creates, I don't think that enough cooling could take place to amount to a hill of beans. Far better to direct that water onto the exposure itself."Be polite, be professional, but have a plan to kill everybody you meet.”
--General James Mattis, USMC
11-10-2012, 08:11 PM #5
11-10-2012, 10:36 PM #6
- Join Date
- Jul 1999
- Rural Wisconsin, work in the burbs of Milwaukee
Water curtain devices are ONLY effective if they place the water on the building or other exposure they are trying to keep cool. I have seen some home made water curtain devices where the plate to deflect the water was at a slight angle to direct the water towards the building, as opposed to having it flow straight up. Honestly, unless manpower is a huge issue, and water supply isn't, I think one firefighter with a hoseline spraying the exposure as needed may be more effective and a much more efficient use of the water.“The person who risks nothing, does nothing, has nothing, is nothing, and becomes nothing. He may avoid suffering and sorrow, but he simply cannot learn and feel and change and grow and love and live.” Leo F. Buscaglia
This place gets weirder and weirder every day...
11-11-2012, 08:18 AM #7
What is there to think about? "Water curtains" don't work. If you want to protect an exposure, you need to put the water on it directly. Spraying it in the air between the fire and the exposure provides virtually no cooling."Nemo Plus Voluptatis Quam Nos Habant"
The Code is more what you'd call "guidelines" than actual rules.
11-14-2012, 06:30 PM #8Robert Kramer
Management is making sure things are done right. Leadership is doing the right thing. The fire service needs alot more leaders and a lot less managers.
"Everyone goes home" is the mantra for the pussification of the modern, American fire service.
Comments made are my own. They do not represent the official position or opinion of the Fire Department or the City for which I am employed. In fact, they are normally exactly the opposite.
02-10-2013, 07:41 PM #9
03-08-2013, 01:01 PM #10
- Join Date
- Mar 2013
we have also tried it on a detached cabin. I the water curtain did not make it any better and as per our conclusion, it is totally rejected. But is there any other alternative?
03-08-2013, 05:32 PM #11
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