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Effects of Fuel Gas Composition on Performance and Emissions in<br />

Compression Ignition Engines<br />

Muhammad Aqhmal Bin Yusup<br />

Supervisor: Dr. Wan Nurdiyana Binti Wan Mansor<br />

Bachelor of Technology (Environment)<br />

School of Ocean Engineering<br />

Universiti Malaysia Terengganu<br />

The effect of fuel gas composition on performance and emissions in compression<br />

ignition engines was determined. Back to the basic of combustion process, diesel<br />

engine is a type of internal combustion ignition engine which is burning process occurs<br />

inside the cylinder to produce power. By using natural gas replace diesel as a fuel the<br />

gas composition would affects performance and emissions in diesel engines.<br />

Therefore, this study was proposed to investigate the different fuel gas composition<br />

of natural gas, methane (CH4), and propane (C3H8) in the combustion process. By<br />

using OCTAVE software the data value of emission from the three gasses was carried<br />

out. The effect of gas composition are determine by different value of emission<br />

Particulate Matter (PM) and Nitrogen Oxide (NOx) with alter the value of load and<br />

Rotation per Minutes (RPM). The value of emission has directly proportional to the<br />

value of carbon in natural gas.<br />

43 | U M T U N D E R G R A D U A T E R E S E A R C H D A Y 2019

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