Experimental investigation on performance of homogeneous charge compression ignition engine fueled with palm oil based biodiesel

Fossil fuel is the main resource to fuel Internal Combustion Engine (ICE). High gases exhaust emission and finite resources of fossil fuel are the major problems in ICE industry. Biodiesel fuels with Homogeneous Charge Compression Ignition Engine (HCCI) have the potential to replace the current c...

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Main Author:	Muhamad Tobib, Hasyuzariza
Format:	Thesis
Language:	English
Published:	2019
Subjects:	Biodiesel fuels Homogeneous charge compression ignition engines
Online Access:	http://psasir.upm.edu.my/id/eprint/99119/1/FK%202020%2086%20%20IR.pdf
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id	my-upm-ir.99119
record_format	uketd_dc
spelling	my-upm-ir.991192023-02-17T01:15:39Z Experimental investigation on performance of homogeneous charge compression ignition engine fueled with palm oil based biodiesel 2019-09 Muhamad Tobib, Hasyuzariza Fossil fuel is the main resource to fuel Internal Combustion Engine (ICE). High gases exhaust emission and finite resources of fossil fuel are the major problems in ICE industry. Biodiesel fuels with Homogeneous Charge Compression Ignition Engine (HCCI) have the potential to replace the current conventional engine, which can reduce the emissions levels and also the dependency towards fossil fuel. The objectives of the study are to improve the performance and emissions levels of HCCI engine fuelled with palm oil-based biodiesel. For this purpose, single cylinder diesel engine with a port fuel injector and heated intake air was used to operate the HCCI engine at 2700 rpm. The fuels used for this study were diesel and palm oil-based biodiesel with four different blends of 5%, 10%, 15%, and 20% (POB5, POB10, POB15, and POB20, respectively). The parameters varied for the study were different air fuel ratio (lambdas,λ) of 3.1, 2.9, 2.6, 2.4 and intake air temperature of 70, 80, and 90°C. When using diesel fuel on HCCI mode, engine power, torque, brake thermal efficiency (BTE) were lower and brake specific fuel consumption (BSFC) was higher compared to compression ignition direct injection (CIDI) mode. The in-cylinder pressure pattern and heat release rate (HRR) for HCCI mode shows the combustion is advanced and the peak is higher at rich mixture compared to CIDI mode. The power and torque produce from HCCI mode is lower compared to CIDI mode by 12%. On both engine mode, the power produce for POB is reduced by 6% than diesel fuel. The BSFC for HCCI was higher than CIDI mode, however, BSFC reduced by 13% as increased POB. The BTE in HCCI reduced by 5% than the CIDI mode. The BMEP reduced when operated in HCCI mode by 13% whereas, increase by 7% when increased air intake temperature. Nitrogen dioxide (NOx) emission of HCCI reduces drastically while hydrocarbon (HC) and carbon monoxide (CO) are higher than CIDI mode. NOx emissions at HCCI mode reduce by over 90%. By increasing the amount of biodiesel will increase the NOx emissions but NOx at HCCI mode still lower than that of CIDI. When the amount of POB increased HC and CO were improved (decrease) by 15% and 18% respectively. The emission of carbon dioxide (CO2) was also decreased by 25%. This means that biodiesel fuel improved the emission of HCCI. Therefore, it can be concluded that POB was one of potential alternative fuel to replace the conventional diesel fuel in HCCI engine, as it provides the alternative way to reduce the dependency to fossil fuel, thus decreasing the percentage of emission levels. Biodiesel fuels Homogeneous charge compression ignition engines 2019-09 Thesis http://psasir.upm.edu.my/id/eprint/99119/ http://psasir.upm.edu.my/id/eprint/99119/1/FK%202020%2086%20%20IR.pdf text en public masters Universiti Putra Malaysia Biodiesel fuels Homogeneous charge compression ignition engines Hairuddin, Abdul Aziz
institution	Universiti Putra Malaysia
collection	PSAS Institutional Repository
language	English
advisor	Hairuddin, Abdul Aziz
topic	Biodiesel fuels Homogeneous charge compression ignition engines
spellingShingle	Biodiesel fuels Homogeneous charge compression ignition engines Muhamad Tobib, Hasyuzariza Experimental investigation on performance of homogeneous charge compression ignition engine fueled with palm oil based biodiesel
description	Fossil fuel is the main resource to fuel Internal Combustion Engine (ICE). High gases exhaust emission and finite resources of fossil fuel are the major problems in ICE industry. Biodiesel fuels with Homogeneous Charge Compression Ignition Engine (HCCI) have the potential to replace the current conventional engine, which can reduce the emissions levels and also the dependency towards fossil fuel. The objectives of the study are to improve the performance and emissions levels of HCCI engine fuelled with palm oil-based biodiesel. For this purpose, single cylinder diesel engine with a port fuel injector and heated intake air was used to operate the HCCI engine at 2700 rpm. The fuels used for this study were diesel and palm oil-based biodiesel with four different blends of 5%, 10%, 15%, and 20% (POB5, POB10, POB15, and POB20, respectively). The parameters varied for the study were different air fuel ratio (lambdas,λ) of 3.1, 2.9, 2.6, 2.4 and intake air temperature of 70, 80, and 90°C. When using diesel fuel on HCCI mode, engine power, torque, brake thermal efficiency (BTE) were lower and brake specific fuel consumption (BSFC) was higher compared to compression ignition direct injection (CIDI) mode. The in-cylinder pressure pattern and heat release rate (HRR) for HCCI mode shows the combustion is advanced and the peak is higher at rich mixture compared to CIDI mode. The power and torque produce from HCCI mode is lower compared to CIDI mode by 12%. On both engine mode, the power produce for POB is reduced by 6% than diesel fuel. The BSFC for HCCI was higher than CIDI mode, however, BSFC reduced by 13% as increased POB. The BTE in HCCI reduced by 5% than the CIDI mode. The BMEP reduced when operated in HCCI mode by 13% whereas, increase by 7% when increased air intake temperature. Nitrogen dioxide (NOx) emission of HCCI reduces drastically while hydrocarbon (HC) and carbon monoxide (CO) are higher than CIDI mode. NOx emissions at HCCI mode reduce by over 90%. By increasing the amount of biodiesel will increase the NOx emissions but NOx at HCCI mode still lower than that of CIDI. When the amount of POB increased HC and CO were improved (decrease) by 15% and 18% respectively. The emission of carbon dioxide (CO2) was also decreased by 25%. This means that biodiesel fuel improved the emission of HCCI. Therefore, it can be concluded that POB was one of potential alternative fuel to replace the conventional diesel fuel in HCCI engine, as it provides the alternative way to reduce the dependency to fossil fuel, thus decreasing the percentage of emission levels.
format	Thesis
qualification_level	Master's degree
author	Muhamad Tobib, Hasyuzariza
author_facet	Muhamad Tobib, Hasyuzariza
author_sort	Muhamad Tobib, Hasyuzariza
title	Experimental investigation on performance of homogeneous charge compression ignition engine fueled with palm oil based biodiesel
title_short	Experimental investigation on performance of homogeneous charge compression ignition engine fueled with palm oil based biodiesel
title_full	Experimental investigation on performance of homogeneous charge compression ignition engine fueled with palm oil based biodiesel
title_fullStr	Experimental investigation on performance of homogeneous charge compression ignition engine fueled with palm oil based biodiesel
title_full_unstemmed	Experimental investigation on performance of homogeneous charge compression ignition engine fueled with palm oil based biodiesel
title_sort	experimental investigation on performance of homogeneous charge compression ignition engine fueled with palm oil based biodiesel
granting_institution	Universiti Putra Malaysia
publishDate	2019
url	http://psasir.upm.edu.my/id/eprint/99119/1/FK%202020%2086%20%20IR.pdf
_version_	1776100296386150400

Experimental investigation on performance of homogeneous charge compression ignition engine fueled with palm oil based biodiesel

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