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Modeling and Analysis of Dry Low Emission Combustor Discharge Nozzle Material & Structure for Rolls Royce Industrial RB211 Gas Turbine

Daud, Amalina (2011) Modeling and Analysis of Dry Low Emission Combustor Discharge Nozzle Material & Structure for Rolls Royce Industrial RB211 Gas Turbine. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

The title of this dissertation is Modeling and Analysis of Dry Low Emission Combustor Discharge Nozzle Material and Structure for Rolls Royce Industrial RB211 Gas Turbine. Rolls Royce is looking into possible or alternative material for the discharge nozzle in OLE Combustor in order to increase the cycle usage or service life based on stress, deformation and heat flux to reduce their maintenance cost. Service life or cycle usage of the discharge nozzle is basically reduced by high stress, deformation, and total heat flux. The possible improvement in terms of the alternative material and the right geometrical structure will help to solve this problem. The objectives are to model and analyze the discharge nozzle in DLE Combustor in Industrial Rolls Royce RB211 Gas Turbine, to do Finite Element Analysis (FEA) modeling and to analyze stress, total heat flux, and total deformation in the discharge nozzle structure by changing the geometry and material and lastly to fmd alternative material for the discharge nozzle. The project uses two different software for designing and simulation which are AUTO DESK INVENTOR Professional 2010 and ANSYS software. The scope of study are modeling and analysis of Dry Low Emission Combustor Discharge Nozzle Structure for Rolls Royce RB2ll Gas Turbine, FEA modeling and analyzing stresses, total heat flux, and deformation in the discharge nozzle structure for Rolls Royce RB211 Gas Turbine by changing the geometry and material, possible improvement in terms of material for the discharge nozzle by focusing on the service life and lastly alternative material for the discharge nozzle of RB211 Gas Turbine. The methodology consists of flow of the project and the method of using AUTODESK INVENTOR Professional 2010 and ANSYS software. Three different geometry and materials are compared. The geometrical changes are based on the three different exhaust areas resulted by three different height setting. The actual exhaust area is 0.0225 m2 (Model C). The impact is analyzed by changing the area to 0.018 m2 (Model A) and 0.02025 m2 (Model B). It is found that Model B is appropriate to satisfY low deformation and low stresses requirement. Three materials are chosen which are Hastelloy X, Haynes 230 and Haynes 214. From the fmdings, Haynes 230 will be the best alternative material for the discharge nozzle because it has the lowest Von Mises Stress, Intensity of Stress and total heat flux.

Item Type: Final Year Project
Academic Subject : Academic Department - Mechanical Engineering - Automotive - Engine - Engine design
Subject: T Technology > TJ Mechanical engineering and machinery
Divisions: Engineering > Mechanical
Depositing User: Users 2053 not found.
Date Deposited: 13 Nov 2013 15:45
Last Modified: 25 Jan 2017 09:42
URI: http://utpedia.utp.edu.my/id/eprint/10544

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