Post Reply 
 
Thread Rating:
  • 0 Votes - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5
Ignition pressure of HHO
Author Message
Zipstor Offline
Member
***

Posts: 360
Joined: Dec 2008
Reputation: 0
Post: #1
Ignition pressure of HHO
Hello there,

Anyone knows the auto ignition pressure of HHO? It seems to be much lower than I thought indeed.....

Anywhere under 10psi?

>> http://brownsgas.com
(This post was last modified: 04-18-2010 11:11 PM by Zipstor.)
04-18-2010 08:09 PM
Find all posts by this user Quote this message in a reply
benny Offline
Member
***

Posts: 332
Joined: Sep 2008
Reputation: 5
Post: #2
RE: Ignition pressure of HHO
(04-18-2010 08:09 PM)Zipstor Wrote:  Hello there,

Anyone knows the auto ignition pressure of HHO? It seems to be much lower than I thought indeed.....

Anywhere under 10psi?

All you never needed to know about hydrogen

http://www1.eere.energy.gov/hydrogenandf...cm01r0.pdf
04-19-2010 12:59 AM
Find all posts by this user Quote this message in a reply
staugur Offline
Member
***

Posts: 49
Joined: Jul 2008
Reputation: 0
Post: #3
RE: Ignition pressure of HHO
(04-18-2010 08:09 PM)Zipstor Wrote:  Hello there,

Anyone knows the auto ignition pressure of HHO? It seems to be much lower than I thought indeed.....

Anywhere under 10psi?

I've heard 15psi as an upper limit but then again there are large korean commercial units working at a claimed 75psi so your guess is as good as mine.
04-19-2010 01:07 PM
Find all posts by this user Quote this message in a reply
thomasbala Offline
Senior Member
****

Posts: 629
Joined: Jun 2008
Reputation: 4
Post: #4
RE: Ignition pressure of HHO
(04-19-2010 01:07 PM)staugur Wrote:  
(04-18-2010 08:09 PM)Zipstor Wrote:  Hello there,

Anyone knows the auto ignition pressure of HHO? It seems to be much lower than I thought indeed.....

Anywhere under 10psi?

I've heard 15psi as an upper limit but then again there are large korean commercial units working at a claimed 75psi so your guess is as good as mine.
3 items are needed for any fire: (1)ignition source[spark]; (2)fuel[hydrogen]; (3)an oxidant[oxygen]. Theoretically you could compress just hydrogen to thousands of psi with no explosion because we're missing (1)and (2). Add oxygen to the compressed hydrogen and there still is no explosion no matter what the psi, assuming no dieseling. The problem comes in with heat generated as the gasses are compressed and sometimes static electricity. I too have heard 15 psi is the limit but no info is given about how fast the HHO is compressed or ambient temperature. I would assume you could get a dieseling effect at a lot less than 15 psi depending on how fast it's compressed and thus how much heat is generated in compression. On the other hand you could probably compress to 100 psi if you do it slow enough and it's -50 degrees.
04-19-2010 04:53 PM
Find all posts by this user Quote this message in a reply
Zipstor Offline
Member
***

Posts: 360
Joined: Dec 2008
Reputation: 0
Post: #5
RE: Ignition pressure of HHO
Well I suppose I'll have to do a test. But I'd say its closer to 15 than 75 psi regarding that bubbler blew my head off after a pressure build up of only a minute and the system was running at only 20Amps at this stage...

But will do a test in a small plastic container and a pressure dial.. And yeah a booth!

>> http://brownsgas.com
04-22-2010 05:27 PM
Find all posts by this user Quote this message in a reply
Zipstor Offline
Member
***

Posts: 360
Joined: Dec 2008
Reputation: 0
Post: #6
RE: Ignition pressure of HHO
Here is what I gathered from Steve from HHHOG Labs.

"I don't know who is trying to propoagate that, but HHO doesn't have an auto ignition PRESSURE. It has an auto ignition TEMPERATURE, which is 570 C (1065 F).
Perhaps someone is thinking of diesel fuel. I have pressurized HHO to over 100PSI with no issues.
Hope this helps!
Steve"

>> http://brownsgas.com
08-30-2010 06:15 PM
Find all posts by this user Quote this message in a reply
jbalat Offline
Member
***

Posts: 280
Joined: Feb 2009
Reputation: 1
Post: #7
RE: Ignition pressure of HHO
Zipstor how exactly did the bubbler blow up.. Did it have an ignition source ?
08-30-2010 08:47 PM
Visit this user's website Find all posts by this user Quote this message in a reply
Zipstor Offline
Member
***

Posts: 360
Joined: Dec 2008
Reputation: 0
Post: #8
RE: Ignition pressure of HHO
(08-30-2010 08:47 PM)jbalat Wrote:  Zipstor how exactly did the bubbler blow up.. Did it have an ignition source ?

Nope... And just yesterday I left the gas to build up in the hose to see if my pressure valve was holding and I had an ignition inside the hose section right next to it. The flame was off.

Strange that Steve from HHOG said that, maybe he live in another planet with different pressure thresholds or maybe he wants me to die in an explosion because he wants to get rid of the competition... That would make sense.. otherwise...

>> http://brownsgas.com
(This post was last modified: 09-01-2010 12:40 AM by Zipstor.)
09-01-2010 12:36 AM
Find all posts by this user Quote this message in a reply
yellowsnow Offline
Member
***

Posts: 7
Joined: Oct 2010
Reputation: 0
Post: #9
RE: Ignition pressure of HHO
everything has an ignition point. compression=heat.

fun fact:: steam/water vapor will self ignite and combust at over 3200psi

the name for this process is ADIABATIC. if you search this word you will find info about ignition pressures and thermodynamic physics equations to calculate.

fun fact 2::at around 1500 foot under water/sea the water has enough water pressure/energy to combust steam(3200psi)
10-04-2010 08:50 PM
Find all posts by this user Quote this message in a reply
Gary Offline
Member
***

Posts: 1,542
Joined: Jun 2008
Reputation: 4
Post: #10
RE: Ignition pressure of HHO
We watched a utube vid the other night. They compressed HHO up to 100 lbs. with no problems, and that's certainly enough for brute force systems. Auto spark from static or other sources is more important to watch for.
10-14-2010 05:22 AM
Find all posts by this user Quote this message in a reply
Post Reply 


Forum Jump:


User(s) browsing this thread: 2 Guest(s)