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Practical Hydrogen Engine

Practical Hydrogen Engine - Physics Forum

Practical Hydrogen Engine - Physics Forum. Discuss and ask physics questions, kinematics and other physics problems.


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Old 05-23-2005, 06:51 AM
stone
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Default Practical Hydrogen Engine



Practical Hydrogen Engine:
An engine that uses hydrogen, or hydrogen and oxygen for fuel would stop the
polution of the atmosphere and slow down global warming. The main problem is
that at the present hydrogen is too expensive. The cheapest way to get
hydrogen now is from natural gas and that still has carbons in it, so that
would not produce the clean exhaust that you would want.
Possible hydrogen engines for cars could be the internal combustion engine
or the turbo jet engine or electric engines using fuel cells.
A way to make these practical could be to retrieve the coasting kinetic
energy of the vehicle by having a braking system attached to electric
generators. The coasting energy is transformed into electrical energy which
is used in electrolysis on water to convert that water into hydrogen and
oxygen, and then feed that hydrogen and oxygen into the engine for fuel.
Using this system you could make the engine using hydrogen practical for
average drivers, by keeping the cost of the hydrogen that they would need
down. As with the electric/gas hybrid cars, the coasting energy could be
retrieved by having a breaking system that uses an electric generator
attached, and that coasting kinetic energy could be changed into electrical
energy for use in separating the hydrogen and oxygen. That hydrogen and
oxygen would be fed into the engine for fuel.
The hydrogen and oxygen mixture should produce larger explosions in the
cylinders or higher air velocity in a combustion chamber (turbo-jet), with
smaller amounts of hydrogen, then what you would get with a hydrogen/air
mixture, increasing the effiiciency of the engine.

[The toyota electric gasoline hybrid car, with a breaking system attached to
an electrical generator which is connected to a large battery, can now save
about $7,500 on the price of gasoline, throughout the life of the car.]




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Old 05-23-2005, 01:08 PM
N:dlzc D:aol T:com \(dlzc\)
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Default Practical Hydrogen Engine

Dear stone:

"stone" <[Only registered users see links. ]> wrote in message
news:[Only registered users see links. ]...

Water, the result of hydrogen-oxygen combustion, is still a green
house gas.


No. The main problem is there is no way to store and refuel
quickly.

David A. Smith


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