General Information On Diesel Engines

General Information On Diesel Engines



General Information On Diesel Engines
Diesel engines offer the lowest specific fuel usage
of any other large internal combustion engine .​
The
fact remains, two-stroke diesels with high pressure
forced induction, particularly turbo charging, make
up a​ large percentage of​ the largest diesel engines.
Throughout North America, diesel engines are generally
used in​ larger trucks, where the low stress, high
efficiency cycle will lead to​ a​ much longer engine
life and lower costs to​ operate .​
These advantages
also help to​ make the diesel engine ideal for use in
the heavy haul industry.
Cars however, continue to​ use gasoline, primarily
due to​ the consumer desire for a​ wider range of​
RPM .​
In Europe, the use of​ diesel engines with cars
is far more common .​

Even though diesel engines are more efficient when
throttled down, they aren't suitable for most types
of aircraft .​
The higher compression ratios of​ the
diesel cycle demand a​ much stronger block, head,
and almost all moving parts in​ general .​
These
stronger parts add a​ lot of​ weight, or​ a​ lot of​
expense, especially if​ lighter alloys are being used.
The Otto cycle engines are much cheaper to​ build for
these reasons, although they have long been overtaken
by the turbine engines .​
For the same displacement
of the engine, Otto cycles will produce more actual
power than a​ Diesel cycle can, because the fuel
will burn at​ a​ much faster rate, allowing more power
strokes per minute than a​ standard diesel can offer.
What this means, is​ that less fuel has to​ be carried.
Additionally, commercial aircraft is​ normally run
at preset limits, so that Otto cycle engines used
in aircraft don't suffer anywhere near the efficiency
penalties that land vehicles do .​
Heavy equipment,
such as​ those used in​ mining and construction,
almost always uses diesel engines.
Diesel engines are also used with submarines .​
In
these types of​ submarines, the diesel engine is​ run
when the submarine is​ on the surface, which charges
the batteries that power the submarine once it​ is
submerged .​

All across the world, diesel engines serve many
different purposes .​
They are used with almost all
types of​ heavy machinery, and other vehicles .​
Gas
isn't the way to​ go with heavy machinery, as​ the
engines simply can't withstand the beating.
Diesel has been popular for many years with machinery
and submarines, simply because the engines can
last for years and years .​
Although they won't offer
as much speed as​ gasoline, the torque and power is
still there .​

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