Hybrid Car – More Fun with Less Gas

Some new idea on energy project as a hobby - Page 2

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Posted by Richard on October 11, 2009, 4:07 pm
 


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Posted by Richard on October 11, 2009, 4:15 pm
 


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Posted by MooseFET on October 11, 2009, 4:43 pm
 

[... electolysis ...]

lf? >Why don't you prove this to yourself >>> unhook the Field line of y=
our >alternator(1 wire), and your car will stop running in 15 minutes or=
 it will >be so sluggish. That proves electricity power from your altern=
ator comes >from your Gasoline, you pay for it, so you pay to electrolyze y=
our dirty >water. Quit believing in Free power, there isn't one.

Cars don't become sluggish as the battery dies.  They start to stumble
and misfire and die over quite a short period of time after the
battery drops below about 10V.

If you add salt to water, the electrolysis releases chlorine gas.
This isn't such a great idea.  It is a poison and rots lots of
plastics.  Adding NaOH is a better idea.  You will get way more gas
out for less power in.  The gas production and then burning the gas
will then only lose about 50% of the energy in a well tuned engine.

Feeding a mixture of H2 O2 and water vapor into a badly inefficient
engine, can gain you enough of an efficiency improvement to make it
pay off.  The reasons have to do with the chemistry of the
combustion.  You won't gain anything like what you could gain by
improving the engine, however.



Posted by New_idea on October 12, 2009, 2:28 am
 


[... electolysis ...]

There is a project by Idaho National Laboratory under U.S Department of
Energy that do experiment of running vehicle with "Hydrogen+Natural gas
mixture" or even 100% hydrogen.
http://avt.inel.gov/hydrogen.html

It is a good idea if we can use hydrogen to run our (internal combusion) car
by just a few thousand dollars modification on our car.
The question is where to you get hydrogen gas?
One way is to use electricity to electrolisis water, and the electricity can
come from renewable source (wind,solar,hydro power plants)

If the electrolisis process i mention in my earlier posting is no good.
we can find a better way to electrolisis the water and find ways to improve
it eficiency,
example this website talk about adding a small amout of asid sulfuric to the
water to increase the efficiency
http://miniscience.com/projects/WaterElectrolise.htm




Posted by MooseFET on October 12, 2009, 2:36 pm
 


You have jumped over a bunch of logic that says "It may be a very bad
idea to use hydrogen in an engine".  If you have a nearly free source
of hydrogen perhaps but if not, a fuel cell may be a much better way
to use hydrogen.

The problem is that when you burn hydrogen you get water.  If you cool
that back down to the starting temperature, it is smaller than the H2
and O2 you started with.  This costs you in engine efficiency.


There is a limit on the amount of improvement you can get.  The
breaking apart of the water takes a certain amount of energy.  Getting
the energy to that point int eh process can be improved.  Once you get
down to the water, the energy needed is an unchangeable number.


That makes it easier to get the energy to the water.  Even once you
have done that, the efficiency still will be well under 100%.



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