Article2020

Review of Geometric Uncertainty Quantification in Gas Turbines

63 citations0/0 files storedJournal of Engineering for Gas Turbines and Power

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Probabilistic and Robust Engineering Design Turbomachinery Performance and Optimization Advanced Power Generation Technologies

Abstract

Abstract Due to the manufacturing error and in-service degradation of gas turbines, there is always a deviation between the actual geometry and the design geometry. This geometric deviation has a prominent uncertainty characteristic, resulting in a dispersion of the gas turbine performance and thereby reducing the manufacturing qualification rate and service life. As the performance and reliability requirements of gas turbines increase continually, more and more attention has been paid to the quantitative study of the effect of the geometric uncertainty on performance. In this paper, the main sources and features of gas turbine geometric uncertainty are reviewed first. Then, the basic principles, characteristics, and application in gas turbines of different uncertainty quantification (UQ) methods are reviewed. Finally, the progress, challenges, and prospects for correlational research are summarized in the conclusion.

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References

1996Response Surface Methodology: Process and Product Optimization Using Designed Experiments 1991Stochastic Finite Elements: A Spectral Approach 2002The Wiener--Askey Polynomial Chaos for Stochastic Differential Equations 2008Uncertainty Quantification and Polynomial Chaos Techniques in Computational Fluid Dynamics 2010Spectral methods for uncertainty quantification : with applications to computational fluid dynamics 2004Numerical Challenges in the Use of Polynomial Chaos Representations for Stochastic Processes 1990Polynomial Chaos in Stochastic Finite Elements 2014Active Subspace Methods in Theory and Practice: Applications to Kriging Surfaces

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