With In this engine, the cylinder head and wall

With
the diminishing fossil fuel resources and unabated increase in energy costs and
environmental concerns, engines using alternate energy sources such as
bio-fuel, solar power, wind power, electric power, stored power, etc. are being
developed around the world. However, such engines have many limitations.
Production of bio-fuel takes enormous resources and they still pollute the
environment. They do not meet the ever increasing energy demand as well.
Similarly, the solar power is not efficient. Added to all, the initial capital
and subsequent maintenance costs for machines that use alternate energy sources
are very high. Hence, in the absence of a viable alternative, until now,
switching to new technology by changing from traditional Internal Combustion
engines has been a challenge.

Ranjith
kumar R,

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Mechanical
Engineering,

RMK
Engineering College,

[email protected]

 

 

 

 

 

 

 

Magnetism is the
basic principle of working for an electromagnetic engine. The general property
of magnet i.e. attraction and repulsion forces is converted into mechanical
work. A magnet has two poles. A north pole and a south pole. When like poles
are brought near each other they repel and attract when like poles are brought
together. This principle is being used in the electromagnetic engine

 

In this engine,
the cylinder head and wall contains electromagnet and a permanent magnet is
attached to the piston head. When the electromagnet at the top is charged, it
repels the piston downwards and when the electromagnets around the walls charged
it pushes the piston upwards thereby rotating the crankshaft. This is how power
is generated in the electromagnetic engine. It utilizes only repulsive force
that allows the field to dissipate completely. The electromagnetic engine
should ideally perform exactly the same as the internal combustion engine. The
power of the engine is controlled by the strength of the field and the strength
of the field is controlled by the amount of windings and the current that is
being passed through it. If the current is increased the power generated by the
engine also increases accordingly. The current that is used to charge the
electromagnet is taken from a DC source like a lead acid battery.

 

The main
advantages of electromagnetic engine are that it is pollution free. Also it is
easy to design an electromagnetic engine because there are no complicated
parts. Since the engine doesn’t have combustion, valves, water cooling system,
fuel pump, fuel lines, air and fuel filters and inlet and exhaust manifolds
etc. can be eliminated from the engine. The main challenge faced in designing
an electromagnetic engine is that it has to be as efficient as an internal
combustion engine.  

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