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RISNumerical Investigation of the Effect of Trailing Edge Thickness of Simulated Ceramic Matrix Composite Blades on Loss Profiles
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Ceramic matrix composite (CMC) is an enabling material allowing higher turbine inlet temperatures and possibly resulting in better thermal efficiency of gas turbine engines. This is because CMC layers with environmental ...
Improved Prediction of Losses With Large Eddy Simulation in a Low-Pressure Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: There is a need to improve predictions of losses resulting from large eddy simulations (LES) of low-pressure turbines (LPT) in gas turbines. This may be done by assessing the accuracy of predictions against validation data ...
Application of Machine Learning Techniques in Calibration and Data Reduction of Multihole Probes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work presents procedures for implementing machine learning methods into existing algorithms for multihole probe calibration and data reduction. It demonstrates that using artificial neural networks (ANNs) can decrease ...
Large Eddy Simulation Analysis of Loss Anomaly of a Turbine Blade With Large Trailing Edge Radius
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: There is great interest in the usage of ceramic matrix composites (CMC) as a turbine blade material. However, depending on the manufacturing process of the CMC, blades may have a thicker trailing edge. The design space ...
Large-Eddy Simulation of Variable Speed Power Turbine Cascade With Inflow Turbulence
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Numerical results are presented from the National Aeronautics and Space Administration (NASA) Glenn Research Center's in-house turbomachinery code Glenn-HT applied to the variable-speed power turbine (VSPT) experiment at ...