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RESEARCH PAPER

Effect of Input Variability on the Performance of Turbine Blade Thermal Design Using Monte Carlo Simulation: An Exploratory Study

[+] Author and Article Information
Roland S. Muwanga

Department of Mechanical and Industrial Engineering, Concordia University, 1455 de Maisonneuve Boulevard W., Montreal, Quebec, H3G 1M8, Canadae-mail: roland.muwanga@pwc.ca

Sri Sreekanth

Turbine Module Center, Pratt and Whitney Canada, 1801 Courtney Park Drive, Mississauga, Ontario, L5T 1J3, Canada

Daniel Grigore

Product Reliability and Safety, Pratt and Whitney Canada, 1000 Marie Victorin Boulevard, Longueuil, Quebec, J4G 1A1, Canada

Ricardo Trindade, Terry Lucas

Turbine Module Center, Pratt and Whitney Canada, 1000 Marie Victorin Bouelvard, Longueuil, Quebec, J4G 1A1, Canada

J. Heat Transfer 127(4), 404-413 (Mar 30, 2005) (10 pages) doi:10.1115/1.1861922 History: Received April 08, 2004; Revised October 20, 2004; Online March 30, 2005
Copyright © 2005 by ASME
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References

Figures

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Simulation model domain
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(a) Nominal radial profile definition and (b) radial profile variation
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Overall simulation execution
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PTrel results and TTrel results
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PTrel and TTrel 1-CDF plots
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Pfeed and Tfeed results
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Pfeed and Tfeed CDF plots
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Measured vs simulated cold flow probability distribution plots
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Geometric parameter histograms
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Life critical effectiveness histogram
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Single blade-Weibull plot of cumulative probability of occurrence of a given life single blade life MCS results
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Blade row (rotor) results from single blade MCS-Weibull plot of cumulative probability of occurrence of a given life blade row (rotor) life MCS from single blade MCS results
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Blade row results using response surface approximation-Weibull plot of cumulative probability of occurrence of a given life response surface approximation rotor MCS life results

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