Aqua burn

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Aqua burn

Post  beauwatt on Mon Sep 06, 2010 2:56 pm

I recently found this video and im trying to add this effect to my laminar nozzle. Would love to get feedback from the many "great" nozzle experts here what are your thoughts on how they do this?


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Re: Aqua burn

Post  covewi on Mon Sep 06, 2010 4:03 pm

I don't know any of us who have tried this - yet.
But the concept behind it is to introduce either natural gas or propane into the water stream and ignite it.
Dangerous - yes.
Cool - very.

In your posting it appears they have introduced the gas into the flame in short bursts which following the stream flow through the arc.
It would require an electronic ignitor and a solenoid valve that would quickly turn the gas flow off and on and a gas supply.

Have you done a google patent search for such a device? Maybe this will get you started.

http://www.google.com/patents?id=vQ84AAAAEBAJ&printsec=abstract&zoom=4#v=onepage&q&f=false

Keep us posted.




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Re: Aqua burn

Post  beauwatt on Mon Sep 06, 2010 4:35 pm

I tried this with Propane.. all im getting is a large burst at the nozzle. I'm steering in to the direction of a liquid fuel like camping fuel.. I ve read on other water fire forums where they are using this because it's not water soliuble ( it floats on the water. this how they get that fire buring on water effect. What im going to do is drill a 1/4" npt hole into nozzle, at the filter pads. im doing this because when i introduce above the straws it destroys the laminar flow. Will have to go to the junk yard and get a 12v fuel pump capabile of bucking the laminar nozzle pressure.

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Re: Aqua burn

Post  covewi on Mon Sep 06, 2010 6:56 pm

Where is the ignitor located? Hope its after the the water exits the nozzle - otherwise to will probably be an increased chance of an explosion within the closed container if the lit fuel
does not escape or builds up. Thoughts?

Would you be able to post or PM me links to the water/fire forums?

Found this about Wet Design

WETFire™. Water on fire which employs colored bursts of fire and 10-meter fireballs (Fig. 4). “WETFire is a new effect, which combines aerated jets of water with burning fire,” Freitas says. “Because the jets are aerated, there is enough oxygen present to keep the gas fuel (natural gas or propane) burning. Initially, we planned to create an effect of fire surrounded by water. But we were able to combine the fire with the water to create a synergistic water/fire effect. Obviously, installing something like this to operate unattended in a public space requires a sophisticated control system to operate reliably and safely.”

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Re: Aqua burn

Post  beauwatt on Mon Sep 06, 2010 8:05 pm

the ignitor would be outside the nozzle im using a propane torch right now for testing purposes.
here is one place... they use camping fuel for their projects...
http://www.burningideas.com/firefall/ceramic_thing/index.html

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Re: Aqua burn

Post  John on Wed Sep 08, 2010 11:53 am

I've seen that before and it is really cool! Please be careful while playing with this. Also document as much as possible for the rest of us. I would like to try that someday too!
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Re: Aqua burn

Post  beauwatt on Wed Sep 08, 2010 9:08 pm

will do! I went to the junk yard today and picked up a fuel tank and pump. not gonna do much tomorrow, cause of the big game.. WHO Dat! go Saints... But I want to try get with my brother tomorrow to see what fuels will work. he's a pyro maniac. I should probabbly consult a chemist... ill make sure I have the fire Extinguisher and safty goggles on just in case. may i'll record the protype testing.

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Re: Aqua burn

Post  beauwatt on Sat Sep 18, 2010 6:51 pm

Today was the big day...
Everything went as planned.. after 2 weeks of playing with fuel finall got the mixture right. here is the video.

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Re: Aqua burn

Post  covewi on Sat Sep 18, 2010 10:23 pm

HOLY CRAP!!!

As one of the voices said " see he's not crazy"

Looks great - fantastic work. Seeing the laminar stream on fire makes me want to start tonight.


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Re: Aqua burn

Post  beauwatt on Sun Sep 19, 2010 8:21 am

yep, that my son.. he's 8 and in to this as much as we are. I still need to raise the pond border (bricks) and drop the water level down. I believe if i increase the flash point of the fuel, the burn off willl be greater and have less fuel in the ponding area. by no means is this a a stable project. it must be monitored and a fire watch must be present. I can post specifics if anyone is as crazy as I am. this forum has given me help and bulding this so I am more than happy to share specifics when it's complete.

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Re: Aqua burn

Post  Leonardo on Sun Sep 19, 2010 11:31 am

Hey... Congratulation! That's really cool!

I can see that you are burning the mixed fuel with a torch, Have you tried to let the torch on but controlling the fuel injection into the water stream?
I think that you would be able to better control the amount of fuel being mixed switching a valve in a way to find a proper amount of fuel (valve open time) to assure a complete combustion along the laminar arc just before the burst fall into the pond.
Perhaps a simple timer made with a 555 IC would be enough to perform some tests.

Keep burning water! Smile

Leonardo.

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Re: Aqua burn

Post  John on Sun Sep 19, 2010 11:51 am

That is incredible!!!!!!!! Really solid worrk! I hope to be as crazy as you someday! Right now I'm can on dream of being crazy!! How do you feel it turned out and are you going to change/improve anything?
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Re: Aqua burn

Post  beauwatt on Sun Sep 19, 2010 3:52 pm

I will definatelly be adding a control valve for the fuel and keep the tourch flame constant. this is experimental. so a few tweaks to have better control.

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Re: Aqua burn

Post  Leonardo on Sun Sep 19, 2010 4:10 pm

Great! If you think that I might be of any help, please, just drop me a message.
All the best,
Leonardo.

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Re: Aqua burn

Post  liteglow on Mon Sep 20, 2010 9:26 am

That is impressive Very Happy

cheers cheers

I think the house seems to be close to the fire, but I guess you got everything under control Rolling Eyes

keep up the good work, and for gods sake never learn the kids how do to that affraid
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