Answer / ponnukrishnan

Alcohol cant be used as fuel in diesel engines because
1)The engine should modified first,that is the enlargement
of the carburetor jet(s)
2)In addition to the carburetor jets, there is also the
problem of cold starting.
3)Alcohol has a higher latent heat of vaporization than
gasoline and requires more manifold heat to keep the mixture
in the vapor state.
4)The main problem is in the lubrication of the injectors.

Answer / yogesh pawar

dear Ponnukrishnan first read the que it is talking about
diesel engine & diesel engine dosent have carburator

Answer / rantz

it has low cetane no.
so it can not be ignited the same compression ratio.

Answer / rantz

it has low cetane no.
so will not ignite in the same compression ratio.

Answer / mr sas

It can be used.
Infact it is superior fuel to gasoline.

Alcohols burn more completely then petroleum based fuels, thus increasing combustion efficiency.
Advantages of mixing alcohol with gasoline are that alcohol tends to increase the octane rating and reduce carbon monoxide and other tailpipe emissions.

There are many disadvantages to using alcohols, particularly methyl and ethyl alcohol.
Alcohols may corrode certain materials used in engines.

Although these alcohols, when used near their stoichiometric air-fuel ratios, produce more power

(I am working in BHEL-2012 joined)

All the best guys.

Answer / palash

Thanks Ponnukrishnan
The points are logical
Can you explain me in term of cetane no.
means wheather it has higher or lower cetane no and why its
affect the combustion?

Answer / michal

it can be used mama

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