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CFD Investigation of General Electric Gas Turbine Wash Nozzle

Compressor cleaning is used to solve the issue of fouling that happens at the compressor blades of the gas turbine. Fouling phenomenon does affect the overall performance of the gas turbine by causing the power output and thermal efficiency to drop as a result the significant decreased rate of airfl...

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Main Author: Amiruddin, Ahmad Yusuf
Format: Final Year Project
Language:English
Published: IRC 2018
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://utpedia.utp.edu.my/19297/1/Ahmad%20Yusuf%20Amiruddin%2019626%20-%20FYP%20Thesis%204.pdf
http://utpedia.utp.edu.my/19297/
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spelling my-utp-utpedia.192972019-06-11T10:24:57Z http://utpedia.utp.edu.my/19297/ CFD Investigation of General Electric Gas Turbine Wash Nozzle Amiruddin, Ahmad Yusuf TJ Mechanical engineering and machinery Compressor cleaning is used to solve the issue of fouling that happens at the compressor blades of the gas turbine. Fouling phenomenon does affect the overall performance of the gas turbine by causing the power output and thermal efficiency to drop as a result the significant decreased rate of airflow and compressor isentropic efficiency. Fouling simply deteriorates the aerodynamic design effectivity of compressor blades by dissipations of dust or any other foreign particles on the blades. This project has the objective to conduct optimization to gas turbines that belongs to Malaysia Liquified Natural Gas (MLNG), Bintulu in terms of compressor cleaning. CFD investigation by Discrete Phase Modelling (DPM) that are available in ANSYS Fluent are used to simulate the compressor cleaning system to check for its effectiveness. Mund and Pilidis (2006) stated in their study that effectiveness of the cleaning mechanism can be measured and determined by looking at the spray area by the wash nozzles at the inlet guide vane (IGV) of the gas turbine. The developed approach was used to simulate the compressor washing system of GE MS6001 gas turbine model. Simulation parameters that will be looked into includes the number of nozzles used, nozzle position, nozzle type, nozzle diameter, injection velocity, velocity of air intake. As well as the droplet size, fluid density and injection velocity and injection flowrate. The main parameters that were tested are injection velocity and nozzle half cone angle, to obtain the spray particle concentration on the IGV. Series of simulation were done to obtain the most optimal combination of injection velocity and nozzle half-cone angle, by measuring the highest value of injected particles concentration on the IGV. IRC 2018-01 Final Year Project NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/19297/1/Ahmad%20Yusuf%20Amiruddin%2019626%20-%20FYP%20Thesis%204.pdf Amiruddin, Ahmad Yusuf (2018) CFD Investigation of General Electric Gas Turbine Wash Nozzle. IRC, Universiti Teknologi PETRONAS. (Submitted)
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Electronic and Digitized Intellectual Asset
url_provider http://utpedia.utp.edu.my/
language English
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Amiruddin, Ahmad Yusuf
CFD Investigation of General Electric Gas Turbine Wash Nozzle
description Compressor cleaning is used to solve the issue of fouling that happens at the compressor blades of the gas turbine. Fouling phenomenon does affect the overall performance of the gas turbine by causing the power output and thermal efficiency to drop as a result the significant decreased rate of airflow and compressor isentropic efficiency. Fouling simply deteriorates the aerodynamic design effectivity of compressor blades by dissipations of dust or any other foreign particles on the blades. This project has the objective to conduct optimization to gas turbines that belongs to Malaysia Liquified Natural Gas (MLNG), Bintulu in terms of compressor cleaning. CFD investigation by Discrete Phase Modelling (DPM) that are available in ANSYS Fluent are used to simulate the compressor cleaning system to check for its effectiveness. Mund and Pilidis (2006) stated in their study that effectiveness of the cleaning mechanism can be measured and determined by looking at the spray area by the wash nozzles at the inlet guide vane (IGV) of the gas turbine. The developed approach was used to simulate the compressor washing system of GE MS6001 gas turbine model. Simulation parameters that will be looked into includes the number of nozzles used, nozzle position, nozzle type, nozzle diameter, injection velocity, velocity of air intake. As well as the droplet size, fluid density and injection velocity and injection flowrate. The main parameters that were tested are injection velocity and nozzle half cone angle, to obtain the spray particle concentration on the IGV. Series of simulation were done to obtain the most optimal combination of injection velocity and nozzle half-cone angle, by measuring the highest value of injected particles concentration on the IGV.
format Final Year Project
author Amiruddin, Ahmad Yusuf
author_facet Amiruddin, Ahmad Yusuf
author_sort Amiruddin, Ahmad Yusuf
title CFD Investigation of General Electric Gas Turbine Wash Nozzle
title_short CFD Investigation of General Electric Gas Turbine Wash Nozzle
title_full CFD Investigation of General Electric Gas Turbine Wash Nozzle
title_fullStr CFD Investigation of General Electric Gas Turbine Wash Nozzle
title_full_unstemmed CFD Investigation of General Electric Gas Turbine Wash Nozzle
title_sort cfd investigation of general electric gas turbine wash nozzle
publisher IRC
publishDate 2018
url http://utpedia.utp.edu.my/19297/1/Ahmad%20Yusuf%20Amiruddin%2019626%20-%20FYP%20Thesis%204.pdf
http://utpedia.utp.edu.my/19297/
_version_ 1739832614568591360
score 13.211869

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