Liquid O2

[Alphacowboy]

just a crazy idea, but what would happen if you were to add Liquid 02 to the injection process? Just for the hell of it, lets just say you could mill in another injector into the cylinder... . calibrate an injection pump to just at the right moment of compression toss a burst of liquid oxygen into the cylinder... what would happen? I dont know why i even though about this, but just one of those sitting on the can light bulb ideas. Maybe its just a "full of *****" idea, but sounded good at the time. It just seems to me that the main problem with getting more HP, is air... so why not force it into the cylinder right? if liquid O2 is injected into the cylinder, it should become vapor correct? Now, the O2 isnt going to be that impressive all by its self... . BUT, this would put a DENSE amount of extra O2 into the cylinder, causing it to combust all that much more... . am I correct?



Maybe its just a pipe dream, but with an electronicly controlled injection system, this seems like it wouldnt really be all that hard to do.



Anyway, call me crazy, but then again, all great ideas start with crazy thoughts... . right? :-laf

 

[guava]

Simply for the sake of entertainment.....



You would have to change you idea to something heavy in oxygen molecules like Hydrogen Peroxide. You could have the benefits of water injected cooling in the cylinder and an extra oxygen molecule to help burn fuel. Liquid O2 would be so cold or under so much pressure as to be insurmountable in my opinion.



If I recall, Hydrogen Peroxide H2O2 is used for torpedo fuel because it creates its on oxygen. Some brainy chemist will come along and give you more ways to do this... .

 

[cruiser_2]

well just for giggles, as LOX is at aprox -285 F the mere expansion from a liquid to a gas would probably cool the charge soo much that the truck would fail to start. (as you vaporize a liquid and change it to a gas there is a heat calculation that needs to be made. Both Charles law and Boyles law come in to play here and the actual thermal conversion can be calculated. ) you would better to use the exapansion process on the intercooler which would transfer the lack of heat more to the outside air. That bveing said, Pure Oxygen is not used in Drag or street performer cars, as the rate combustion and heat generated causes piston meltdown. That is why they use Nitrous Oxide as an oxidizer as it supports increase in combustion and the nitrogen that is the byproduct tends to retard the make the combustion and therefore producing less heat and in proper quantities less chance of piston meltdown.



Hydrogen Peroxide is a nice thought though, especially if you can keep it under enough pressure to retard the vaporization of the extra oxygen molecule. and the water would tend to controll the heat development HMMMMMMM

 

[Eric_77]

The storage and price of liquid O2 is a problem. NOS is a easier cheaper use to get the oxygen. you need to add more fuel when you add the extra oxygen plus the sheer volume of air that our engines use is huge in the thousands of cubic feet in a miunte range in full tilt boogie mood. Large NOS tanks only hold about 200 cubic feet so any system needs to be a supplement not replacement combustion source.

 

[RSimmons]

40 % of power gained from NOS is due to the cooling affect of the liquid changing to a vapor.



60 % is from the additional cylinder pressure achieved by burning more fuel. Keep in mind that after burning off the Oxygen there are still 2 nitrogen molecules remaining. This is important because cylinger pressure is not achieved by simply burning all the oxygen in a cylinder. There needs to be residual gas to expand once all the heat is released from the fuel. The Nitrogen will also act as a buffer protecting exaust valves and will reduce preignition from the increased cylinder pressure on gas burners.



Pure oxygen is expensive, dangerous, and you still need unburned (not oxygen) gasses in the cylinder to make cylinder pressure.





The peroxide torpedos were never used by the US . Ours are electric. There is some suspicion that the recent Soviet sub accident (where they refused help and allowed their people to die) was caused by their experimental torpedo drive using hydrogen peroxide. The stuff is very unstable.

 

[TSpecht]

What would happen is roughly this: http://www.doeblitz.net/ghg/grill. mpeg

Crazy people with liquid oxygen are cool... http://www.doeblitz.net/ghg/

 

[Doubleclutch]

Prof. of Electrical Engineering... . bare-handing with no face shield, LOX. Short Sleeve shirt, no flash protection and crowd of equally clad spectators in close proxmity, waiting for the fireball... Good Idea.

Greg

 

[CarlJensen]

Good GOD!! Have you ever seen LOX react with grease! It is SPECTACULAR but not many survivors nearby!

 

[WDixon27]

sweet i wento looking for those videos a year or two ago and all i could find was dead links, nice to see somebody kept the footage

What would happen is roughly this: http://www.doeblitz.net/ghg/grill. mpeg



Crazy people with liquid oxygen are cool... http://www.doeblitz.net/ghg/