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Modeling And Simulation Of An Impeller In Circulating Water Pump In A Power Generation Industry

Lok , Fung Kiew (2008) Modeling And Simulation Of An Impeller In Circulating Water Pump In A Power Generation Industry. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Pumping sets are common but often critical operating assets in the industry. Common pump failure modes showed cavitations erosion and a sheared at the impeller blade. This thesis is concerned about the geometrical and material study of an impeller in vertical submersible circulating water pumps in a power generation industry. Within the industry today, companies save significant amounts of money through computer simulations. Mathematics through numerical methods becomes more important and therefore the investigation is done with the Finite Element Method (FEM). The objectives of this thesis are to determine the best condition impeller blades diameter for 700 mm, 850 mm and 1000 mm and also to identify the best standard material of impeller by using the simulation software. This study revealed that the smallest diameter of impeller is the optimum blade profile which can sustain high pressure, force and stress under operating condition based on the evaluation of simulation investigations. It is advisable that the industries using the smaller impeller's diameter in impeller design because it is more stiffness structure in configuration and provide higher factor of safety. Beside that, this works verified that Stainless Steel AISI 2205(Duplex) provide the highest factor of safety, Young's Modulus and stiffness characteristic among the materials simulated in this project. Stainless. Steel AISI 2205(Duplex) is well recommended material for the sea water impeller to improve the quality and to insure the long wear life. The MSC Nastran Patran software is the powerful method used to identify the critical areas at impeller where the weakness point appear base on the stress distribution results. In addition, • Solid works is useful software to model the complex part.

Item Type: Monograph (Project Report)
Uncontrolled Keywords: Finite element method, Pumping machinery, Strains and stresses, Water-supply engineering, Impellers
Subjects: T Technology > T Technology (General)
T Technology > TJ Mechanical engineering and machinery
Divisions: Library > Projek Sarjana Muda > FKM
Depositing User: Rohana Hashim
Date Deposited: 24 Jul 2012 09:27
Last Modified: 28 May 2015 03:26
URI: http://eprints.utem.edu.my/id/eprint/4574

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