Development of new injector for compressed natural gas engine and the effect on performance

This thesis deals with the experimental and computational assessment of a new injector nozzle for a sequential port injection CNG engine. The objective of this thesis was to develop, analyse and investigate the performance characteristics of a new injector nozzle. The methodology of this study was t...

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Main Author:	Semin, Semin
Format:	Thesis
Language:	English English English
Published:	2011
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://umpir.ump.edu.my/id/eprint/2905/ http://umpir.ump.edu.my/id/eprint/2905/ http://umpir.ump.edu.my/id/eprint/2905/1/Development%20of%20new%20injector%20for%20compressed%20natural%20gas%20engine%20and%20the%20effect%20on%20performance%20%28Table%20of%20content%29.pdf http://umpir.ump.edu.my/id/eprint/2905/2/Development%20of%20new%20injector%20for%20compressed%20natural%20gas%20engine%20and%20the%20effect%20on%20performance%20%28Abstract%29.pdf http://umpir.ump.edu.my/id/eprint/2905/3/Development%20of%20new%20injector%20for%20compressed%20natural%20gas%20engine%20and%20the%20effect%20on%20performance%20%28References%29.pdf

id	ump-2905
recordtype	eprints
spelling	ump-29052017-04-03T07:26:40Z http://umpir.ump.edu.my/id/eprint/2905/ Development of new injector for compressed natural gas engine and the effect on performance Semin, Semin TJ Mechanical engineering and machinery This thesis deals with the experimental and computational assessment of a new injector nozzle for a sequential port injection CNG engine. The objective of this thesis was to develop, analyse and investigate the performance characteristics of a new injector nozzle. The methodology of this study was to convert a diesel engine to a CNG engine with modifications the piston and enhancements the spark ignition and throttle based on computational design using GT-Power and experimental results using an eddy current dynamometer. Next, a simulation of the fuel flow of the new injector nozzle was made using Cosmos FloWok. The final objective was to investigate the performance characteristics of the CNG engine using the new injector nozzle. The investigation focused on engine performance based on variations in engine speed. The engine experiments were conducted according to ISO 3046 for reciprocating internal combustion engine performance. The results showed that the conversion of the diesel engine to a CNG engine reduced engine performance. The simulation of the fuel flow of the new injector nozzle increased the spray distribution, fuel-air mixing and fuel flow velocity. The performance characteristics of the new injector nozzle increased the CNG engine’s performance and reduced its fuel consumption compared to the original injector. In conclusion, this study reports that the improvement of a new injector nozzle for a CNG engine significantly increased the engine’s performance and fuel consumption. 2011-07 Thesis NonPeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/2905/1/Development%20of%20new%20injector%20for%20compressed%20natural%20gas%20engine%20and%20the%20effect%20on%20performance%20%28Table%20of%20content%29.pdf application/pdf en http://umpir.ump.edu.my/id/eprint/2905/2/Development%20of%20new%20injector%20for%20compressed%20natural%20gas%20engine%20and%20the%20effect%20on%20performance%20%28Abstract%29.pdf application/pdf en http://umpir.ump.edu.my/id/eprint/2905/3/Development%20of%20new%20injector%20for%20compressed%20natural%20gas%20engine%20and%20the%20effect%20on%20performance%20%28References%29.pdf Semin, Semin (2011) Development of new injector for compressed natural gas engine and the effect on performance. PhD thesis, Universiti Malaysia Pahang. http://iportal.ump.edu.my/lib/item?id=chamo:59177&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
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Semin, Semin Development of new injector for compressed natural gas engine and the effect on performance
description	This thesis deals with the experimental and computational assessment of a new injector nozzle for a sequential port injection CNG engine. The objective of this thesis was to develop, analyse and investigate the performance characteristics of a new injector nozzle. The methodology of this study was to convert a diesel engine to a CNG engine with modifications the piston and enhancements the spark ignition and throttle based on computational design using GT-Power and experimental results using an eddy current dynamometer. Next, a simulation of the fuel flow of the new injector nozzle was made using Cosmos FloWok. The final objective was to investigate the performance characteristics of the CNG engine using the new injector nozzle. The investigation focused on engine performance based on variations in engine speed. The engine experiments were conducted according to ISO 3046 for reciprocating internal combustion engine performance. The results showed that the conversion of the diesel engine to a CNG engine reduced engine performance. The simulation of the fuel flow of the new injector nozzle increased the spray distribution, fuel-air mixing and fuel flow velocity. The performance characteristics of the new injector nozzle increased the CNG engine’s performance and reduced its fuel consumption compared to the original injector. In conclusion, this study reports that the improvement of a new injector nozzle for a CNG engine significantly increased the engine’s performance and fuel consumption.
format	Thesis
author	Semin, Semin
author_facet	Semin, Semin
author_sort	Semin, Semin
title	Development of new injector for compressed natural gas engine and the effect on performance
title_short	Development of new injector for compressed natural gas engine and the effect on performance
title_full	Development of new injector for compressed natural gas engine and the effect on performance
title_fullStr	Development of new injector for compressed natural gas engine and the effect on performance
title_full_unstemmed	Development of new injector for compressed natural gas engine and the effect on performance
title_sort	development of new injector for compressed natural gas engine and the effect on performance
publishDate	2011
url	http://umpir.ump.edu.my/id/eprint/2905/ http://umpir.ump.edu.my/id/eprint/2905/ http://umpir.ump.edu.my/id/eprint/2905/1/Development%20of%20new%20injector%20for%20compressed%20natural%20gas%20engine%20and%20the%20effect%20on%20performance%20%28Table%20of%20content%29.pdf http://umpir.ump.edu.my/id/eprint/2905/2/Development%20of%20new%20injector%20for%20compressed%20natural%20gas%20engine%20and%20the%20effect%20on%20performance%20%28Abstract%29.pdf http://umpir.ump.edu.my/id/eprint/2905/3/Development%20of%20new%20injector%20for%20compressed%20natural%20gas%20engine%20and%20the%20effect%20on%20performance%20%28References%29.pdf
first_indexed	2023-09-18T21:56:54Z
last_indexed	2023-09-18T21:56:54Z
_version_	1777414139537260544

Development of new injector for compressed natural gas engine and the effect on performance

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