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Journal Articles

Probabilistic Modeling Geometric Tolerance and Low Cycle Fatigue Life of Gas Turbine Compressor Blade

Zhiqiang (David) Meng, Richard Bluck, Björn Sjödin
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2025, 147(3): 031028.
Paper No: GTP-24-1616
https://doi.org/10.1115/1.4066714
Published Online: October 26, 2024
...Zhiqiang (David) Meng; Richard Bluck; Björn Sjödin This paper presents a probabilistic low cycle fatigue (LCF) assessment for geometric tolerances on high load contact surfaces of gas turbine compressor blades. The typical patterns of the geometric deviations for the root contact flank...
View Article titled, Probabilistic Modeling Geometric Tolerance and Low Cycle Fatigue Life of Gas Turbine <span class="search-highlight">Compressor</span> <span class="search-highlight">Blade</span>
Open the PDF for Probabilistic Modeling Geometric Tolerance and Low Cycle Fatigue Life of Gas Turbine <span class="search-highlight">Compressor</span> <span class="search-highlight">Blade</span> in another window
Topics: Blades, Low cycle fatigue, Pressure, Compressors
Journal Articles

A Preconditioner-Based Data-Driven Polynomial Expansion Method: Application to Compressor Blade With Leading Edge Uncertainty

Haohao Wang, Limin Gao, Guang Yang, Ruiyu Li, Baohai Wu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2024, 146(11): 111004.
Paper No: GTP-23-1290
https://doi.org/10.1115/1.4065787
Published Online: July 4, 2024
... robustness, convergence property, and application potential in case of scarce data. Then, the PDDPC is first applied to evaluate the uncertain impacts of real leading edge (LE) errors on the aerodynamic performance of a two-dimensional compressor blade. Results show that the overall performance of compressor...
View Article titled, A Preconditioner-Based Data-Driven Polynomial Expansion Method: Application to <span class="search-highlight">Compressor</span> <span class="search-highlight">Blade</span> With Leading Edge Uncertainty
Open the PDF for A Preconditioner-Based Data-Driven Polynomial Expansion Method: Application to <span class="search-highlight">Compressor</span> <span class="search-highlight">Blade</span> With Leading Edge Uncertainty in another window
Topics: Blades, Chaos, Compressors, Errors, Polynomials, Uncertainty, Uncertainty quantification, Manufacturing, Fittings, Statistical distributions
Journal Articles

Development of a Harmonic Balance Method-Based Numerical Strategy for Blade-Tip/Casing Interactions: Application to NASA Rotor 37

Yann Colaïtis, Alain Batailly
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2021, 143(11): 111025.
Paper No: GTP-21-1288
https://doi.org/10.1115/1.4051967
Published Online: October 18, 2021
... of the computed nonlinear contact forces become negligible. This approach is applied in combination with a model reduction technique on an industrial compressor blade: NASA rotor 37. In order to assess the influence of both the contact law regularization and the Lanczos σ -approximation, obtained results...
View Article titled, Development of a Harmonic Balance Method-Based Numerical Strategy for Blade-Tip/Casing Interactions: Application to NASA Rotor 37
Open the PDF for Development of a Harmonic Balance Method-Based Numerical Strategy for Blade-Tip/Casing Interactions: Application to NASA Rotor 37 in another window
Topics: Blades, Rotors, NASA