Energy balance study for 4 stroke gasoline engine analyses

This thesis focuses on a comparative energy balance study based on a four cylinder gasoline engine data operated on different engine speed of wide open throttle. The key objective of conducting the energy balance study is to determine the most influence factor that contribute to the heat losses. The...

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Main Author:	Abdullah Shariffudin, Mohamad
Format:	Undergraduates Project Papers
Language:	English English English English
Published:	2009
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://umpir.ump.edu.my/id/eprint/1038/ http://umpir.ump.edu.my/id/eprint/1038/ http://umpir.ump.edu.my/id/eprint/1038/1/Energy%20balance%20study%20for%204%20stroke%20gasoline%20engine%20analyses%20-%20Table%20of%20content.pdf http://umpir.ump.edu.my/id/eprint/1038/2/Energy%20balance%20study%20for%204%20stroke%20gasoline%20engine%20analyses%20-%20Abstract.pdf http://umpir.ump.edu.my/id/eprint/1038/3/Energy%20balance%20study%20for%204%20stroke%20gasoline%20engine%20analyses%20-%20Chapter%201.pdf http://umpir.ump.edu.my/id/eprint/1038/4/Energy%20balance%20study%20for%204%20stroke%20gasoline%20engine%20analyses%20-%20References.pdf

id	ump-1038
recordtype	eprints
spelling	ump-10382017-04-07T01:26:50Z http://umpir.ump.edu.my/id/eprint/1038/ Energy balance study for 4 stroke gasoline engine analyses Abdullah Shariffudin, Mohamad TJ Mechanical engineering and machinery This thesis focuses on a comparative energy balance study based on a four cylinder gasoline engine data operated on different engine speed of wide open throttle. The key objective of conducting the energy balance study is to determine the most influence factor that contribute to the heat losses. The transfer of energy was measured for losses to the engine coolant and exhaust, usable power output, as well as friction losses. In a conventional internal combustion engine, approximately one-third of total fuel input energy is converted to useful work. A major part of the energy is lost with the exhaust gases. In addition, another major part of energy input is rejected in the form of heat via the cooling system. The importance of this study is to identify the key factor that contribute to the heat losses which further can be use to minimize the heat losses and at the same time improves the power output and mechanical efficiency. In present study, heat balance has been investigated theoretically for different engines speeds and load. To analyze energy balance, a zero-dimensional multi-zone thermodynamics model has been developed and used. The results showed that input energy at low engine speed was distributed 6.95%, 21.66%, 20.30%, and 0.88% to the major areas of coolant, exhaust, and power output, and friction, respectively. Differently the input energy at high engine speed was distributed 22.09%, 26.6%, 30.09%, and 5.68% to the major areas of coolant, exhaust, power output, and friction respectively. Energy loss increases with increasing engines speed and load and thus the mechanical efficiency decreases. Future improvements to obtain distinguishable results are outlined. 2009-11-30 Undergraduates Project Papers NonPeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/1038/1/Energy%20balance%20study%20for%204%20stroke%20gasoline%20engine%20analyses%20-%20Table%20of%20content.pdf application/pdf en http://umpir.ump.edu.my/id/eprint/1038/2/Energy%20balance%20study%20for%204%20stroke%20gasoline%20engine%20analyses%20-%20Abstract.pdf application/pdf en http://umpir.ump.edu.my/id/eprint/1038/3/Energy%20balance%20study%20for%204%20stroke%20gasoline%20engine%20analyses%20-%20Chapter%201.pdf application/pdf en http://umpir.ump.edu.my/id/eprint/1038/4/Energy%20balance%20study%20for%204%20stroke%20gasoline%20engine%20analyses%20-%20References.pdf Abdullah Shariffudin, Mohamad (2009) Energy balance study for 4 stroke gasoline engine analyses. Faculty of Mechanical Engineering, Universiti Malaysia Pahang. http://iportal.ump.edu.my/lib/item?id=chamo:45546&theme=UMP2
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English English English English
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Abdullah Shariffudin, Mohamad Energy balance study for 4 stroke gasoline engine analyses
description	This thesis focuses on a comparative energy balance study based on a four cylinder gasoline engine data operated on different engine speed of wide open throttle. The key objective of conducting the energy balance study is to determine the most influence factor that contribute to the heat losses. The transfer of energy was measured for losses to the engine coolant and exhaust, usable power output, as well as friction losses. In a conventional internal combustion engine, approximately one-third of total fuel input energy is converted to useful work. A major part of the energy is lost with the exhaust gases. In addition, another major part of energy input is rejected in the form of heat via the cooling system. The importance of this study is to identify the key factor that contribute to the heat losses which further can be use to minimize the heat losses and at the same time improves the power output and mechanical efficiency. In present study, heat balance has been investigated theoretically for different engines speeds and load. To analyze energy balance, a zero-dimensional multi-zone thermodynamics model has been developed and used. The results showed that input energy at low engine speed was distributed 6.95%, 21.66%, 20.30%, and 0.88% to the major areas of coolant, exhaust, and power output, and friction, respectively. Differently the input energy at high engine speed was distributed 22.09%, 26.6%, 30.09%, and 5.68% to the major areas of coolant, exhaust, power output, and friction respectively. Energy loss increases with increasing engines speed and load and thus the mechanical efficiency decreases. Future improvements to obtain distinguishable results are outlined.
format	Undergraduates Project Papers
author	Abdullah Shariffudin, Mohamad
author_facet	Abdullah Shariffudin, Mohamad
author_sort	Abdullah Shariffudin, Mohamad
title	Energy balance study for 4 stroke gasoline engine analyses
title_short	Energy balance study for 4 stroke gasoline engine analyses
title_full	Energy balance study for 4 stroke gasoline engine analyses
title_fullStr	Energy balance study for 4 stroke gasoline engine analyses
title_full_unstemmed	Energy balance study for 4 stroke gasoline engine analyses
title_sort	energy balance study for 4 stroke gasoline engine analyses
publishDate	2009
url	http://umpir.ump.edu.my/id/eprint/1038/ http://umpir.ump.edu.my/id/eprint/1038/ http://umpir.ump.edu.my/id/eprint/1038/1/Energy%20balance%20study%20for%204%20stroke%20gasoline%20engine%20analyses%20-%20Table%20of%20content.pdf http://umpir.ump.edu.my/id/eprint/1038/2/Energy%20balance%20study%20for%204%20stroke%20gasoline%20engine%20analyses%20-%20Abstract.pdf http://umpir.ump.edu.my/id/eprint/1038/3/Energy%20balance%20study%20for%204%20stroke%20gasoline%20engine%20analyses%20-%20Chapter%201.pdf http://umpir.ump.edu.my/id/eprint/1038/4/Energy%20balance%20study%20for%204%20stroke%20gasoline%20engine%20analyses%20-%20References.pdf
first_indexed	2023-09-18T21:53:49Z
last_indexed	2023-09-18T21:53:49Z
_version_	1777413945701695488

Energy balance study for 4 stroke gasoline engine analyses

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