Gas Turbine Combustor Liner Life Assessment Using a Combined Fluid/Structural Approach

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Tinga, Tiedo and Kampen, J.F. van and Jager, B. de and Kok, J.B.W. (2007) Gas Turbine Combustor Liner Life Assessment Using a Combined Fluid/Structural Approach. Journal of Engineering for Gas Turbines and Power, 129 (1). pp. 69-79. ISSN 0742-4795

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Abstract:A life assessment was performed on a fighter jet engine annular combustor liner, using a combined fluid/structural approach. Computational fluid dynamics analyses were performed to obtain the thermal loading of the combustor liner and finite element analyses were done to calculate the temperature and stress/strain distribution in the liner during several operating conditions. A method was developed to analyze a complete flight with limited computational effort. Finally, the creep and fatigue life for a measured flight were calculated and the results were compared to field experience data. The absolute number of cycles to crack initiation appeared hard to predict, but the location and direction of cracking could be correlated well with field data.
Item Type:Article
Copyright:© 2007 American Society of Mechanical Engineers
Faculty:
Engineering Technology (CTW)
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Link to this item:http://purl.utwente.nl/publications/73884
Official URL:http://dx.doi.org/10.1115/1.2360603
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Metis ID: 237372