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
Published:	2011
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://umpir.ump.edu.my/id/eprint/2905/1/Development%20of%20new%20injector%20for%20compressed%20natural%20gas%20engine%20and%20the%20effect%20on%20performance.pdf
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id	my-ump-ir.2905
record_format	uketd_dc
spelling	my-ump-ir.29052021-11-02T07:40:15Z Development of new injector for compressed natural gas engine and the effect on performance 2011-07 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 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.pdf pdf en public phd doctoral Universiti Malaysia Pahang Faculty of Mechanical Engineering
institution	Universiti Malaysia Pahang Al-Sultan Abdullah
collection	UMPSA Institutional Repository
language	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
qualification_name	Doctor of Philosophy (PhD.)
qualification_level	Doctorate
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
granting_institution	Universiti Malaysia Pahang
granting_department	Faculty of Mechanical Engineering
publishDate	2011
url	http://umpir.ump.edu.my/id/eprint/2905/1/Development%20of%20new%20injector%20for%20compressed%20natural%20gas%20engine%20and%20the%20effect%20on%20performance.pdf
_version_	1783731895604871168

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

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