Hill Billy Power
10-20-2006, 03:16 AM
#1
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Hill Billy Power
What do y'all think about spraying diesel and compressed air into the intake manifold, 100psi #2 at less than 15 micron droplet size and 100 psi air at 100 cfm for 15 seconds?
10-20-2006, 07:20 AM
#2
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Mike,
Anything outside the combustion chamber use nitrous, water/methanol, propane or the hydrogen booster.
Don't think diesel atomizes very well unless being subjected to extreme pressures through a orifice.
MikeyB
Anything outside the combustion chamber use nitrous, water/methanol, propane or the hydrogen booster.
Don't think diesel atomizes very well unless being subjected to extreme pressures through a orifice.
MikeyB
10-20-2006, 07:41 AM
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That will put out the fire.
I admire your ingenuity but, if you want more power buy a new box or turbo or somthing. I used to try to make things cheap like that, and they always broke more stuff, or ended up costing as much as I went out and bought a real power adder.
Just do it right.
I admire your ingenuity but, if you want more power buy a new box or turbo or somthing. I used to try to make things cheap like that, and they always broke more stuff, or ended up costing as much as I went out and bought a real power adder.
Just do it right.
10-20-2006, 11:13 AM
#5
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I'm not planning to do this - I'm conducting an exercise in the physics of combustion engineering, so gathering information is where we're starting.
The viscosity of diesel is close enough to that of water to expect similiar atomization performance. Gasoline engines use much lower fuel injection pressures - what's the basic reason for the common rail pressures being so high in comparison?
I think you'd have to dump plenty of diesel in there to put the fire out - of course we wouldn't do this on our hypothetical powerplant.
The viscosity of diesel is close enough to that of water to expect similiar atomization performance. Gasoline engines use much lower fuel injection pressures - what's the basic reason for the common rail pressures being so high in comparison?
I think you'd have to dump plenty of diesel in there to put the fire out - of course we wouldn't do this on our hypothetical powerplant.
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10-21-2006, 10:05 AM
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It will only run away if there is nothing to hold it back, ie. a sled! It will add more power because it is just like adding more fuel. I agree it would take a lot to put the fire out. My only concern would be there is no timing to it. It would probably have fuel knock like crazy. There also would be not independant cylinder metering so you would have some cylinders getting more than others and therefore those cylinders would be hotter. All in all, its a bad idea, but yes, it would work!
10-21-2006, 10:10 AM
#11
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The fuel timing would be similiar to that which propane or water/meth provides... perhaps there's not enough extra fuel injected to change the timing?
Surely someone must have tried this - but are they still around to tell us about it?
Surely someone must have tried this - but are they still around to tell us about it?
10-28-2006, 10:39 AM
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The reason for such high pressures on the common rail is to atomize the fuel to very small sizes, for more efficient combustion. Your therory will work, not sure it'll burn all that clean, however please PLEASE make sure you record the entire thing on tape.
10-28-2006, 06:17 PM
#14
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With the Hillbilly Auxilliary Power Performance Injection, you'll definitely hear/experience a VERY LOUD knock - but maybe just once.... however, the HAPPI system may void your warranty! 
