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> make any car run on water, anyone think it will work?
post Oct 2, 2005 - 2:26 AM
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celicaST



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QUOTE(soulshadow @ Sep 30, 2005 - 10:19 PM)
Ok someone slap me. Diesal explodes when you compress it right? Too lazy to google for it now. Someone just answer me and slap me crazy.  tongue.gif
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the diesel fuel is injected into the combustion chamber and it ignites spontaneously because the air was adiabatically compressed (quick compression where thermal losses to the environment are neglible and therefore W=nCvT) on the upwards stroke. The high compression of diesel engines means that the air becomes very hot. and in fact, early diesel prototypes did operate with coal dust, no water though smile.gif.

i find it funny when people, usually ignorant, believe these conspiracy theories. water in itself can not be used as a source of energy (although there is a proposal that involve releasing energy through catalytic quantum cascading in atomic hydrogen that has niether been proved nor disproved to my knowledge, in fact NIAC tested the concept with promising results), i cant be the only person in here that has taken chemistry and thermodynamics. energy isnt free, of course you can break down water into h2 and o2 through a number of processes such as electrolysis, steam-methane reformation, even photolysis, but none of these processes creates energy. in fact energy is lost. oil is nice because its just sitting there.


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post Oct 2, 2005 - 3:26 PM
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Snarfer

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exactly, i think people keep thinking of "getting energy from water" from fusion (same process that is used in a hydrogen bomb/or the sun) which uses fresh water and salt water to make helium, hydrogen, and oxygen and a lot of energy. but until science can control it (ie not a bomb) it can't be sustained or have the energy extracted.
post Oct 3, 2005 - 4:31 AM
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CheesyLobster



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QUOTE(Consynx @ Sep 30, 2005 - 6:32 AM)
water does not compress
and the amount of energy taken to turn water into steam is not much less than the amount released by doing so


GHEY
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agreed. this is a big long document that unfortunately doesn't obey the laws of physics. if we could actually run cars on water we would have been doing it years ago.
post Oct 3, 2005 - 10:59 AM
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BlackSTX



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That paper looks like a high school research paper. It included too much opinion and no proof that it works.
post Oct 5, 2005 - 10:46 PM
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tin_foil



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Running cars on water has not yet happened, and might never work. But I think pretty much what people want to know is can't we at least run cars on something more expendable and less polluting than oil? They've got cars that can run on used vegetable oil, that McDonalds or TacoTime will gladly get rid of. So whos to say we can't find other resources like that in the near future.


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post Oct 6, 2005 - 1:42 AM
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Consynx



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i skimmed it, but it seems to contradict itself.

1) want to use Combustion engine w/ water, but says it's NOT using Pressure and temp to do anything.

2) plans to split water...this WILL create energy, this is how the current auto engineers are doing it, but they're gone some other route to where in the END you get water, and your exhaust is filled w/ water you just drain somewhere.


also i pulled out my thermo book just to compare.this COULD be really good, but i'm Guessing that by these numbers...in order to GET good power OUT of this you need to have a longer stroke to compress the hydrogen well depending on the mixture
it seems that although hydrogen is more potential, it's Q factors are HUGE compared to others:

Hydrogen: Cp = 14.307 and Cv = 10.183
Propane: Cp = 1.679 Cv = 1.491
Steam: Cp = 1.872 Cv = 1.411

everything buy helium and hydrogen is <2.3 meaning that the Heat Release you will see from this hydrogen being ignited is going to be HUGE. at around 1000Renkin, the potential of hydrogen looks like an exponential...skyrockets.

i wish i knew more, but i'm still training.


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post Oct 7, 2005 - 3:09 AM
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Consynx



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oih god...i wrote that half-asleep
and i'm even more tired now and can see mistakes...lol

he wants to used the combusion engine...so my last post is kind of retarded, he wants to add something do it.

i still stand by the rest of what i said though


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