How hot does hydrogen actually burn ?

Adiabatic flame temp is never achieved in practice , its just a math sum from thermal dynamics equations .
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[@BarsMonster]

The issue is heat transfer to the rest of the part you are heating... If you insulate thermally the part you are heating at least from some sides - you will have much easier time melting it...

[@jigilub]

I'd call that melting, the little thermal sweat spheres. Thank you for doing this though, great ideas, seriously cool to see you play with this.

[@NOBOX7]

Yes we did have some tiny spheres but It didnt melt in the sense of the term melting . The brick now that melts . maybe some silicon melted out of the matrix but i cant say we melted it . If somebody called me up an said " hey ill give you $10,000 if you can build me an hho torch to melt silicon carbide" . Id have to say " DAMMIT ... I coulda just made 10 grand if only hho melted silicon carbide " . If i was from china and sold him this torch telling him YES IT MELTS CARBIDE . Id likely get sued LOL ... Not disagreeing with you its just so close its a no for me . So maybe we hit 5000 F but not likely

[@jigilub]

@@NOBOX7 Agreed, and what a future we live in when we can be having this conversation! This gets out there, but with the correct insulation and isolation from atmospheric pressure it could probably achieve "melting", with the evidence being the spheres, it seems like it would need additional ideas before it - but I'd want to see more than 10k before jumping into material development like that. What would anyone even want a HellTorch for I wonder, Silicon carbide does not melt but begins to sublimate near 2,700 °C like graphite, having an appreciable vapor pressure near that temp. Spheres.

[@WarmPudgy]

@@NOBOX7 Its called precipitation. Either the silicon, carbon, or some other ingredient precipitated out of the alloy.

[@NOBOX7]

@@WarmPudgy This other commenter made a great point , it sublimes at that temp not melts ...

[@waynoswaynos]

@@NOBOX7 Weigh it before and after to see how you did.

[@waynoswaynos]

SiC is laughing at us lol..The most fun video yet! Thanks you. Gutsy, and I reckon you might have enjoyed it too. Send me an invoice for the thermocouple. But I was thinking. A wrap of kaowool around the SiC fragment for some insulation, similar to the successful cracking experiment where the temp had time to build up and not in open air, with the thermocouple beneath the SiC to protect it, this should show more heat. Might not have been a fair fight otherwise. So for HHO flashback arrestors, I did some patent reading and development last year. Air stones work well to stop flashback but I wanted to pack my own tubes with push fittings at each end to make them easier to connect in several locations within my system and at the torch. Custom Air Stones can be easily made by mixing sand (not too fine) with a syrup made by dissolving perspex swarf in methylene chloride (perspex glue). Then pack this mix into your tube.Then as the methylene chloride solvent evaporates it leaves a solid matrix that the HHO can pass through but the flame cannot. The tighter you pack, the slower the flow. The finer the sand, the slower the flow. There is a sweet spot to be found. I had them between the bubbler, electrolyser, return lines, modification tank and at the torch. Always wore ear muffs and clench when shutting down flame!

[@NOBOX7]

They say the thermal conductivity of sic is close to copper , never looked it up so im going of others people . they also say sic sublimes it wont melt

[@TheLophius]

You could make a ruby melting point of aluminum oxide is 2000C

[@johnlock807]

Calcium oxide(quick lime) melting point ~2600C, according to internet. Could try melt it.

[@odjwizardo3198]

just a side note how fast does the silicon remove heat. compered to fire brick remember fire brick try's to hold heat in

[@NOBOX7]

They say its almost as good as copper . Turns out this stuff sublimes

[@hunnybunnysheavymetalmusic6542]

@@NOBOX7 Sublimation takes away a lot of what one might want to see as 'melt' you know...

[@zumbazumba1]

There is a thing called hydrogen embrittlement which turns ferrous materials into glass like structure.I wouldnt use this torch for anything that has iron in it which limits its application.

[@waynoswaynos]

I'd like to test this rather than accept this as fact. The stoichiometric mix of O and H burns before it gets to the Fe and the exhaust is H2O. Maybe its different with cracked water as opposed to conventional bottles of industrial gases. And in this instance, the idea was to heat a SiC crucible with manganese steel in it. I doubt any H would make it to the steel.

[@zumbazumba1]

@@waynoswaynos Bridges collapsed because of hydrogen that got into bolts during manufacturing .It is a real thing,it is one of the reasons why you dont have engines that are directly powered by hydrogen.

[@NOBOX7]

To add to this discussion , the reason black socket sets are for impact guns and why you should never use a shinny socket on an impact is hydrogen embrittlement , also nascent hydrogen or atomic hydrogen is 10 times worse . A scientist back in the day notes that when acid eats metal under water the atomic hydrogen created makes 1/4 steal bars able to be bent by hand right after they are pulled from the acid . Atomic hydrogen just means a single atom , its not radioactive . hydrogen is typically in diatomic form . H2

[@orcoastgreenman]

Melting or boiling of tungsten would be a good test… a smaller sample will heat up faster. I have seen claim that HHO (of sufficient power) somehow resonates electrically in recombination, to heat a material to its melting or boiling point.

[@NOBOX7]

I herd that to . Turns out a commenter was able to tell us SIC sublimes it doesn't melt . It didnt sublime much lol but it did do something strange

[@superawesomefuntime2162]

I have that same crappy stand. Been meaning to look for a better one.

[@howardkanitz4998]

My understanding is that browns gas reacts differently to different materials. It has been said it vaporizes tungsten.

[@stasi0238]

Are you sure silicon carbide can even melt? From eveything i know silicon carbide sublimes and doesnt melt.

[@levicalebblack]

Silicone is a rubber like material. Silicon is an element. Silicon Carbide is the combination of Silicon and Carbon. Silicone carbide does not exist

[@stasi0238]

@@levicalebblack oh how could that happen. A person not speaking English as their first language make a mistake??? Impossible. I think you know what I meant or do you believe that I meant plastic with carbide???

[@NOBOX7]

I searched for the melting point online and found no mention of sublimation but they do provide the melting point .

[@stasi0238]

@@NOBOX7 "Silicon carbide does not melt but begins to sublimate near 2,700 °C like graphite" - SiC silicon carbide Wikipedia en.m.wikipedia.org/wiki/Silicon_carbide (use word search function CRL+f as I don't know how to tell you where on the page it is written) That would explain the blobs that formed when you tried to melt it. Though Im not sure how SiC truly works, I never melted it, did you ever melt it? I would presume it is only done in electric arc furnaces and probably only in labs.

[@stasi0238]

@@NOBOX7 not sure why but yt just deleted my comment 😂/as always haha. It's on Wikipedia page under structure and properties of silicon carbide.

[@NionXenion-gh7rf]

Please demonstrate welding with it if it can be done

[@miketrissel5494]

There are only 8 types of common thermocouples, with the hottest only capable of measuring 3100 degrees - 5000F is a pipe dream. An IRT5000 Infrared laser Thermometer can read up to 4300, but costs over $800. A thermocouple is just 2 different metals twisted together - not rocket science. They braze, silver solder or weld the tip to make it hold up. Anything hotter than the bonding material will cause it to melt away, but you can repair them, by brazing/bonding them back together.

[@josemanon6295]

Keep on 🔥

[@odjwizardo3198]

you could try making your own ruby

[@AsGames-g1k]

i guess u gotta make sure to turn down the power slowly before shutting off the torch

[@NOBOX7]

The only way to shut it off on that kinda power is to add propane

[@prophetrob]

Whats the electrolyte you use in your HHO system?

[@NOBOX7]

Potassium hydroxide

[@prophetrob]

​​@@NOBOX7 what are the electrode plates made of? I think you're getting some contamination in your gasses if the flame is orange. It might be from the plates getting corroded. Sometimes even commercial hydrogen can have metal contaminants from being stored in steel containers that causes it to burn with a red orange flame. Calcium in the water could be another culprit. It should be blue if it's pure.

[@NOBOX7]

@@prophetrob Stainless steel . Yes i agree contaimination is the reason 99% of hydrogne flames burn orange Indeed calcium could do it but regardless of what its from a simple web search shows what color hydrogen burns in 99 percent of cases . We seen propane burn blue as the sky with a white hot combustion chambers in the last video so the contamination theory seems to not tell the hole story cus it cant be mistaken for another gas , the orange is a dead give away for people who are doers and not just readers . I have made this gas burn blue and i do have videos of it but that's with a very small flame . The tip of the torch is pure copper . It could be mercaptan but this would also effect the propane flame but it doesn't. Hydrogen burns orange 99% of the time . unless in broad daylight . This torch uses propane gas modification so it could have some mercaptan contamination . I dont dispute the contamination theory as i mention it in early work but only hydrogen has the orange problem not propane and being a burner guy ive seen some flames in my day . I can pic a hydrogen flame out of a candy line up ... Also when the velocity of this gas reaches a certain point , it entrains air into the flame diluting the ratio of oxygen , this is 80% of the reason for the orange flame . According to scientist , not an opinion ... Yes calcium can produce orange color but distilled water has very little of that to offer . Most of it precipitates onto the anode if it is present . Bottom line regardless of the sources no other gas experiences this orange shift . So if the spectrum is invisible it lends itself to colors from contamination not viewable from other flames proving its hydrogen . This gas burns blue if you add just a touch of propane . Propane Burns blue Waste motor oil burns yellow waste veggie oil burns blue Diesel burns blue wood burns yellow NG burns blue Hydrogen Burns Orange 99% of the time No other flame burns orange to violet red like h2

[@AsGames-g1k]

@@NOBOX7 i guess no one remembers that electrolysis lab in highschool (i THINK its a common demonstration)

[@Snarlacc]

@@NOBOX7 Pure hydrogen as it comes from a bottle (like 99,99% pure) , has only a slight blue flame colour, much less intense than propane. Orange is 100% from contamination, I have hused a hydrogen burner before. I don't know where you get that it burns orange. You don't need much of a contaminant at all to colour a flame as well, especially since it is so lightly coloured in the first place. You can also see in the video that the flame starts out less intensely coloured and gets deeper orange, I bet it liberates atoms from the nozzle. Hydrogen-Oxygen-flame emission spectrum is a primary spike at around 300-400nm (almost invisible blue) and a continuum of emissions above 700nm (infrared). The flame does have a pink tint to some people who see higher in the spectrum I believe and when lliit in very humid enviirunment (where water adds to the spectrum more), but no orange. Hydrogen does have a red emission line, yes, but the Hydroxy flame does not, at least it is only a very little one, basically not destinguishable from the noise floor compared to the blue part. It is so invisible to the point I have seen people burn themselves on a flame they couldn't see in the lab. And it was hydrogen, 100% sure of that.

[@SiliconeSword]

Awesome

[@kemahp]

It seems that this HHO Virus hit you again! Good luck!

[@serralheirosaoroque1599]

A safer electrolysis is with separate gases, which do not swallow flame, as there are two hoses and nozzles. See what I did:kzbin.info/www/bejne/aHukaX-wi76mqNU

[@wageslaveuranus9596]

💥

[@Vibe77Guy]

Yeah, that's why I don't much care for HHO.

[@NOBOX7]

LOL it was way creepier in person, that explosion sounded like a submarine imploding

[@serralheirosaoroque1599]

Hotter than hydrogen, only plasma can cut metals. Perhaps a system could be made that instead of melting, melts inside a crucible, using electrodes made of the same material. The advantage is that it is safe and cheap.

[@hanelyp1]

Hydrogen burns a pale blue. An orange flame must have something else mixed with the fuel.

[@NOBOX7]

True but the point from the earlier discussion was that only hydrogen gas does this cluing us in its indeed hydrogen . Propane doesn't burn orange out of this same system .The point is people say hydrogen burns clear in the other video posted but they have only read books about hydrogen and haven't actually burnt the gas .

[@NOBOX7]

you can see the tint of blue at the tip and it does burn blue until the velocity gets going

[@rickybailey7123]

Thats a bad ass tourch i wont 1 now i shouldn't have watched this video!!

[@basketofdeplorables4253]

the sun is 92% hydrogen and its 27 million degrees on the surface.

[@stasi0238]

Bro but the sun doesn't burn the hydrogen. It's a fusion reaction not burning. A type of nuclear reaction of course it is going to be hot on a surface of a giant fusion nuclear bomb that explodes constantly.

[@strong0wood]

But isn't the sun powered by fusion?

[@IsZomg]

Sun surface temp is only 10,000 F / 6,000 C bro

[@Behemoth33]

Are you smoking crack?😂😂😂 27 million. . . . You're definitely gifted

[@Behemoth33]

The core is 27m not the surface 😂😂😂

[@esobri]

You can try make ruby by the verneuil method. en.m.wikipedia.org/wiki/Verneuil_method