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Fuels and Combustion (Lab)
Aniline Point
Rules of the Session
No Need to Read.
Just listen to the Handsome Presenter
Ali Rauf
(M08-CE12)
Mazher Alsam
(M08-CE24)
Baber Rafique
(M08-PG10)
Sajjad Rasool Chaudhry
(M08-PG12)
Group Members
Outline
Introduction
• Diesel Index• Cetane Number• Deterioration of Packing Material
Importance
• Procedure• Results• Discussion
Experimental Work
Questions & Answers Session
Introduction
The minimum equilibrium solution temperature for practically equal volumes of aniline and oil sample.
So Aniline Point is actually a temperature.
Importance
Aniline is an aromatic compound.
It becomes miscible with an oil by dissolving aromatic compounds present in it.
So it gives us an idea about the aromatic contents of any fuel or oil.
Introduction (Cont.
Aniline Point
Aromatic Contents
Aromatic Contents
Aniline Point
Importance
By telling about the aromatic
contents, aniline point help us to
determine.
The diesel
index of oil
Cetane
Number of
the OilPossible
deterioration of oil in
contact with rubber sealing and packing
Importance (Cont.)
Cetane Number
Diesel Index
A measure of a fuel's ignition
delay The time period
between the start of injection and start of ignition
of the fuel.)
Experimental Work (Cont.)
Procedure
Equal volumes of aniline and diesel sample were taken in round bottom tube and a cork was fitted on it.
A thermometer and stirrer were inserted in the tube through cork holes and tube was immersed in water bath
Heat was supplied until aniline and diesel sample became miscible
Heat source was removed immediately and the contents were allowed to cool
Temperature ( Aniline point) was noted when cloudiness appeared in the mixture due to separation of two layers
Experimental Work (Cont.)
Aniline Point = 164.3 oF
Specific Gravity = 0.8484
Observations & Calculations
API GravitySpecific Gravity
141.5131.5
API Gravity141.5
131.5 35.2840.8484
Experimental Work (Cont.)
Observations & Calculations
Aniline Point ( API GravityDiesel Index=
100
)oF
Diesel Index=164.3 35.284
57.97100
Cetane Number = Diesel Index- 3
Cetane Number = 57.97- 3 = 54.97
Experimental Work (Cont.)
For the given sample of Diesel Oil:
Aniline Point
= 164.3 oF
Diesel Index
= 57.97
Cetane Number
= 54.97
Results
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