The impacts of compression ratio on the performance and emissions of ice powered by oxygenated fuels: A review

Energy sources are becoming a governmental issue, with cost and stable supply as the main concern. Oxygenated fuels production is cheap, simple and eco-friendly, as a well as can be produced locally, cutting down on transportation fuel costs. Oxygenated fuels are used directly in an engine as a pure...

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Main Authors:	Awad, Omar I., R., Mamat, M. M., Noor, Ibrahim, Thamir K., I. M., Yusri, Ahmad Fitri, Yusop
Format:	Article
Language:	English
Published:	Elsevier Ltd. 2018
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://umpir.ump.edu.my/id/eprint/20398/ http://umpir.ump.edu.my/id/eprint/20398/ http://umpir.ump.edu.my/id/eprint/20398/ http://umpir.ump.edu.my/id/eprint/20398/1/The%20impacts%20of%20compression%20ratio%20on%20the%20performance%20and%20emissions1.pdf

id	ump-20398
recordtype	eprints
spelling	ump-203982019-10-03T08:20:24Z http://umpir.ump.edu.my/id/eprint/20398/ The impacts of compression ratio on the performance and emissions of ice powered by oxygenated fuels: A review Awad, Omar I. R., Mamat M. M., Noor Ibrahim, Thamir K. I. M., Yusri Ahmad Fitri, Yusop TJ Mechanical engineering and machinery Energy sources are becoming a governmental issue, with cost and stable supply as the main concern. Oxygenated fuels production is cheap, simple and eco-friendly, as a well as can be produced locally, cutting down on transportation fuel costs. Oxygenated fuels are used directly in an engine as a pure fuel, or they can be blended with fossil fuel. The most common fuels that are conceded under oxygenated fuels are ethanol, methanol, butanol Dimethyl Ether (DME), Ethyl tert-butyl ether (ETBE), Methyl tert-butyl ether (MTBE) and biodiesel that have attracted the attention of researchers. Due to the higher heat of vaporization, high octane rating, high flammability temperature, and single boiling point, the oxygenated fuels have a positive impact on the engine performance, combustion, and emissions by allowing the increase of the compression ratio. Oxygenated fuels also have a considerable oxygen content that causes clean combustion. The aim of this paper was to systematically review the impact of compression ratio (CR) on the performance, combustion and emissions of internal combustion engines (ICE) that are operated with oxygenated fuels that could potentially replace petroleum-based fuels or to improve the fuel properties. The higher octane rating of oxygenated fuels can endure higher compression ratios before an engine starts knocking, thus giving an engine the ability to deliver more power efficiently and economically. One of the more significant findings to emerge from this review study was the slight increases or decreases in power when oxygenated fuel was used at the original CR in ICE engines. Also, CO, HC, and NOx emissions decreased while the fuel consumption (FC) increased. However, at higher CR, the engine performance increased and fuel consumption decreased for both SI and CI engines. It was seen the NOx, CO and CO2 emissions of oxygenated fuels decreased with the increasing CR in the SI engine, but the HC increased. Meanwhile, in CI engine, the HC, CO and NOx decreased as the CR increased with biodiesel fuel. Elsevier Ltd. 2018 Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/20398/1/The%20impacts%20of%20compression%20ratio%20on%20the%20performance%20and%20emissions1.pdf Awad, Omar I. and R., Mamat and M. M., Noor and Ibrahim, Thamir K. and I. M., Yusri and Ahmad Fitri, Yusop (2018) The impacts of compression ratio on the performance and emissions of ice powered by oxygenated fuels: A review. Journal of the Energy Institute, 91 (1). pp. 19-32. ISSN 1743-9671 https://doi.org/10.1016/j.joei.2016.09.003 doi: 10.1016/j.joei.2016.09.003
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Awad, Omar I. R., Mamat M. M., Noor Ibrahim, Thamir K. I. M., Yusri Ahmad Fitri, Yusop The impacts of compression ratio on the performance and emissions of ice powered by oxygenated fuels: A review
description	Energy sources are becoming a governmental issue, with cost and stable supply as the main concern. Oxygenated fuels production is cheap, simple and eco-friendly, as a well as can be produced locally, cutting down on transportation fuel costs. Oxygenated fuels are used directly in an engine as a pure fuel, or they can be blended with fossil fuel. The most common fuels that are conceded under oxygenated fuels are ethanol, methanol, butanol Dimethyl Ether (DME), Ethyl tert-butyl ether (ETBE), Methyl tert-butyl ether (MTBE) and biodiesel that have attracted the attention of researchers. Due to the higher heat of vaporization, high octane rating, high flammability temperature, and single boiling point, the oxygenated fuels have a positive impact on the engine performance, combustion, and emissions by allowing the increase of the compression ratio. Oxygenated fuels also have a considerable oxygen content that causes clean combustion. The aim of this paper was to systematically review the impact of compression ratio (CR) on the performance, combustion and emissions of internal combustion engines (ICE) that are operated with oxygenated fuels that could potentially replace petroleum-based fuels or to improve the fuel properties. The higher octane rating of oxygenated fuels can endure higher compression ratios before an engine starts knocking, thus giving an engine the ability to deliver more power efficiently and economically. One of the more significant findings to emerge from this review study was the slight increases or decreases in power when oxygenated fuel was used at the original CR in ICE engines. Also, CO, HC, and NOx emissions decreased while the fuel consumption (FC) increased. However, at higher CR, the engine performance increased and fuel consumption decreased for both SI and CI engines. It was seen the NOx, CO and CO2 emissions of oxygenated fuels decreased with the increasing CR in the SI engine, but the HC increased. Meanwhile, in CI engine, the HC, CO and NOx decreased as the CR increased with biodiesel fuel.
format	Article
author	Awad, Omar I. R., Mamat M. M., Noor Ibrahim, Thamir K. I. M., Yusri Ahmad Fitri, Yusop
author_facet	Awad, Omar I. R., Mamat M. M., Noor Ibrahim, Thamir K. I. M., Yusri Ahmad Fitri, Yusop
author_sort	Awad, Omar I.
title	The impacts of compression ratio on the performance and emissions of ice powered by oxygenated fuels: A review
title_short	The impacts of compression ratio on the performance and emissions of ice powered by oxygenated fuels: A review
title_full	The impacts of compression ratio on the performance and emissions of ice powered by oxygenated fuels: A review
title_fullStr	The impacts of compression ratio on the performance and emissions of ice powered by oxygenated fuels: A review
title_full_unstemmed	The impacts of compression ratio on the performance and emissions of ice powered by oxygenated fuels: A review
title_sort	impacts of compression ratio on the performance and emissions of ice powered by oxygenated fuels: a review
publisher	Elsevier Ltd.
publishDate	2018
url	http://umpir.ump.edu.my/id/eprint/20398/ http://umpir.ump.edu.my/id/eprint/20398/ http://umpir.ump.edu.my/id/eprint/20398/ http://umpir.ump.edu.my/id/eprint/20398/1/The%20impacts%20of%20compression%20ratio%20on%20the%20performance%20and%20emissions1.pdf
first_indexed	2023-09-18T22:29:23Z
last_indexed	2023-09-18T22:29:23Z
_version_	1777416182875291648

The impacts of compression ratio on the performance and emissions of ice powered by oxygenated fuels: A review

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