KB7005 Advanced Internal Combustion Engines and Alternative Fuels Laboratory work assignment

KB7005 Advanced Internal Combustion
Engines and Alternative Fuels
Laboratory work assignment
IC Engine Performance and pollutant
emission
Student Name
Student Registration Number
Date of submission

INTRODUCTION
The internal combustion engines are heat engines where the heat source is a combustible mixture
that also serves as the working fluid. It has a gas turbine and is propelled using gasoline or diesel.
The heating process at the exhaust system may follow the Otto Cycle but the main power is used
to overcome the air resistance. There is a production of pollutants with a non-equilibrium effect
which may degrade the environment.
AIM OF THE EXPERIMENT
(i) To measure the engine performance and formation of pollutants in the combustion
process.
Experiment Equipment
The emission equipment used in the experiment is the Horiba Mexa FT-one system
Experiment Procedure
(i) The Horiba exhaust gas sampling system was prepared
(ii) The intake temperature and pressure measurements were taken
(iii) The exhaust system was set to measuring mode, the engine was switched to motoring
mode at 2000 rpm and was able to warm up to attain a steady state operation.
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(iv) The pressure transducer and charge amplifier system were setup and the pressure
trace was obtained from the oscilloscope. The peak motoring pressure and the
composition of the gas going through the exhaust at that point was measured.
(v) The injection time and duration was set and adjusted accordingly in the experiment.
EXPERIMENT RESULTS AND DATA
The crank angle versus the in-cylinder pressure is given as,
The data obtained for the pressure curves in 9 different engine operating conditions were
recorded on excel spreadsheets. The relationship between the crank angle and the in-cylinder
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