PERFORMANCE MAP MEASUREMENT, ZERO-DIMENSIONAL MODELLING & VIBRATION ANALYSIS OF A SINGLE CYLINDER DIESEL ENGINE

Year 2017, Volume: 3 Issue: 4, 1391 - 1410, 21.07.2017

Daniyal Khan

https://doi.org/10.18186/journal-of-thermal-engineering.330184

Cited By: 3

Abstract

Single Cylinder Diesel Engines are
simple and very economical in manufacturing. Their multipurpose usability and
the capability to deliver the maximum power possible within a given envelope
makes them very demanding engines in the market. Simulation tools are widely
used nowadays to minimize the energy and time needed for a real engine design
and development. Zero-dimensional models are very suitable and reliable to
observe the engine operation under different conditions. Contrary to the
previous studies, this paper presents a comparison between the practical and
simulation model data of a single cylinder Diesel Engine. The purpose of this
research was to investigate the fundamental variations between the simulation
and experimental results with the help of characteristic engine performance
maps. Experiments were conducted on a practical 1.16 L Diesel Engine under
variable conditions which were then repeated on the simulation model to analyze
and evaluate the differences between the obtained results. Zero-dimensional
modelling was performed using GT-Power, a powerful commercial engine simulation
software. This study also involved the prediction of optimum speed (RPM) of the
engine by performing a vibration analysis using a wireless accelerometer. The
maximum torque of the 1.16 L Erin Engine is given to be 80 Nm @ 1,800 RPM,
while the simulation model indicated it to be 78 Nm at the same RPM value.
Likewise, maximum power output was indicated to be 18 kW @ 2,400 RPM, while the
experimental results showed it to be 15 kW @ 2,400 RPM. These results laid down
a liable basis for the prediction of several operating parameters of the engine
which could act as a solid rung for further studies on this subject.

Keywords

Single-cylinder, Diesel Engines, Zero-dimensional Model, Combustion Analysis, Engine Maps

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