Performance Modelling of Steam Turbine Performance using Fuzzy ...

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Performance Modelling of Steam Turbine Performance using Fuzzy ...

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KEYWORDS: Steam turbine, performance prediction, Fuzzy Inference System, defuzzification, membership ..... performance estimation for axial-flow turbines,.

J. Appl. Sci. Environ. Manage. March, 2015

ISSN 1119-8362 Full-text Available Online at JJASEM OURNAL OF APPLIED S CIENCE ANDand ENVIRONMENTAL MANAGEMENT . Vol. 19 (1) 109 - 115 All rights reserved www.ajol.info www.bioline.org.br/ja

Performance Modelling of Steam Turbine Performance using Fuzzy Logic Membership Functions. *1

ARIAVIE, GO; OYEKALE JO2; EMAGBETERE E2 1

Department of Mechanical Engineering, 2 University of Benin, Benin City Federal University of Petroleum Resources, Effurun +2348035615205, +2348057130590,+ 2347033670460 2

*[email protected]

[email protected] [email protected]

KEYWORDS: Steam turbine, performance prediction, Fuzzy Inference System, defuzzification, membership function. ABSTRACT: A Fuzzy Inference System for predicting the performance of steam turbine based on Rankine cycle is developed using a 144-rule based in analyzing the generated data for different inlet and outlet conditions. The result of efficiency for different types of membership functions and defuzzification method was obtained. Centroid method of defuzzification gave good results irrespective of the type of membership function with error less than 5%. However, other defuzzification methods gave good result for some types of membership functions. Result of different input data tested do not vary significantly (P