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Design and development of high pressure natural gas injector model for single cylinder four stroke engine using matlab simulink

The aim of this project is to design and develop the hydraulic model for control oriented injector model for single cylinder four-stroke engine using Matlab Simulink. Injector plays significant role in determining engine performance by controlling the fuel supplied consequently the air to fuel ratio...

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Main Author: Mohd Nor Afiq, Nor Hashim
Format: Undergraduates Project Papers
Language:English
Published: 2012
Subjects:
TL Motor vehicles. Aeronautics. Astronautics
Online Access:http://umpir.ump.edu.my/id/eprint/6511/1/DESIGN%20AND%20DEVELOPMENT%20OF%20HIGH%20PRESSURE%20NATURAL%20GAS%20INJECTOR%20MODEL%20FOR%20SINGLE%20CYLINDER%204-STROKE%20ENGINE%20USING%20MATLAB%20SIMUL_1.pdf
http://umpir.ump.edu.my/id/eprint/6511/
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spelling my.ump.umpir.65112023-03-02T00:17:25Z http://umpir.ump.edu.my/id/eprint/6511/ Design and development of high pressure natural gas injector model for single cylinder four stroke engine using matlab simulink Mohd Nor Afiq, Nor Hashim TL Motor vehicles. Aeronautics. Astronautics The aim of this project is to design and develop the hydraulic model for control oriented injector model for single cylinder four-stroke engine using Matlab Simulink. Injector plays significant role in determining engine performance by controlling the fuel supplied consequently the air to fuel ratio. In order to achieve acceptable accuracy for abroad range of engine speed the control of injection process must be carefully studied. The model consist of hydraulic, electromagnetic and mechanical model. This thesis is carried out with purpose to produces a reliable hydraulic model that can be used to study the control process. Reasonable mass flow rate data need to be determine by the model based on predetermined boundary condition. The fuel injector based on HDEV 5 were design using Matlab Simulink. The are two different Matlab Simulink design the fuel flow rate coresponding to the radius/diameter ratio and the fuel flow rate corresponding to the needle-seat relative displacement. Based on the graph and explanation, comparison between fuel flow rate and r/d ratio and fuel flow rate and needle-seat relative displacement are made. The result show that there is cavitation occur at r/d = 0.02 and effect the flow rate of the fuel injected. While in the injector opening phase, the fuel flow rate is slightly increase before the injector reached the transition value. The model of flow through the control volume feeding and discharge holes was further detailed as it was shown to play an important role in determining the flow regime in the orifice. 2012-06 Undergraduates Project Papers NonPeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/6511/1/DESIGN%20AND%20DEVELOPMENT%20OF%20HIGH%20PRESSURE%20NATURAL%20GAS%20INJECTOR%20MODEL%20FOR%20SINGLE%20CYLINDER%204-STROKE%20ENGINE%20USING%20MATLAB%20SIMUL_1.pdf Mohd Nor Afiq, Nor Hashim (2012) Design and development of high pressure natural gas injector model for single cylinder four stroke engine using matlab simulink. Faculty of Mechanical Engineering, Universiti Malaysia Pahang.
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic TL Motor vehicles. Aeronautics. Astronautics
spellingShingle TL Motor vehicles. Aeronautics. Astronautics
Mohd Nor Afiq, Nor Hashim
Design and development of high pressure natural gas injector model for single cylinder four stroke engine using matlab simulink
description The aim of this project is to design and develop the hydraulic model for control oriented injector model for single cylinder four-stroke engine using Matlab Simulink. Injector plays significant role in determining engine performance by controlling the fuel supplied consequently the air to fuel ratio. In order to achieve acceptable accuracy for abroad range of engine speed the control of injection process must be carefully studied. The model consist of hydraulic, electromagnetic and mechanical model. This thesis is carried out with purpose to produces a reliable hydraulic model that can be used to study the control process. Reasonable mass flow rate data need to be determine by the model based on predetermined boundary condition. The fuel injector based on HDEV 5 were design using Matlab Simulink. The are two different Matlab Simulink design the fuel flow rate coresponding to the radius/diameter ratio and the fuel flow rate corresponding to the needle-seat relative displacement. Based on the graph and explanation, comparison between fuel flow rate and r/d ratio and fuel flow rate and needle-seat relative displacement are made. The result show that there is cavitation occur at r/d = 0.02 and effect the flow rate of the fuel injected. While in the injector opening phase, the fuel flow rate is slightly increase before the injector reached the transition value. The model of flow through the control volume feeding and discharge holes was further detailed as it was shown to play an important role in determining the flow regime in the orifice.
format Undergraduates Project Papers
author Mohd Nor Afiq, Nor Hashim
author_facet Mohd Nor Afiq, Nor Hashim
author_sort Mohd Nor Afiq, Nor Hashim
title Design and development of high pressure natural gas injector model for single cylinder four stroke engine using matlab simulink
title_short Design and development of high pressure natural gas injector model for single cylinder four stroke engine using matlab simulink
title_full Design and development of high pressure natural gas injector model for single cylinder four stroke engine using matlab simulink
title_fullStr Design and development of high pressure natural gas injector model for single cylinder four stroke engine using matlab simulink
title_full_unstemmed Design and development of high pressure natural gas injector model for single cylinder four stroke engine using matlab simulink
title_sort design and development of high pressure natural gas injector model for single cylinder four stroke engine using matlab simulink
publishDate 2012
url http://umpir.ump.edu.my/id/eprint/6511/1/DESIGN%20AND%20DEVELOPMENT%20OF%20HIGH%20PRESSURE%20NATURAL%20GAS%20INJECTOR%20MODEL%20FOR%20SINGLE%20CYLINDER%204-STROKE%20ENGINE%20USING%20MATLAB%20SIMUL_1.pdf
http://umpir.ump.edu.my/id/eprint/6511/
_version_ 1759689601093468160
score 13.211869

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