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RISScaling Three Dimensional Low Pressure Turbine Blades for Low Speed Testing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present activity was carried out in the framework of the Clean Sky European Research Project ITURB (optimal highlift turbine blade aeromechanical design), aimed at designing and validating a turbine blade for a geared ...
A Path Toward the Aerodynamic Robust Design of Low Pressure Turbines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Airline companies are continuously demanding lowerfuelconsuming engines and this leads to investigating innovative configurations and to further improving single module performance. In this framework the low pressure turbine ...
Predicting High Lift Low Pressure Turbine Cascades Flow Using Transition Sensitive Turbulence Closures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper discusses the application of different transitionsensitive turbulence closures to the prediction of lowReynoldsnumber flows in highlift cascades operating in lowpressure turbine (LPT) conditions. Different ...
Accounting for Unsteady Interaction in Transonic Stages
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper discusses the importance of the unsteady interaction in transonic turbomachinery stages. Although the flow in a turbomachine is inherently unsteady, most current calculations for routine design work exploit the ...
Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High-Pressure Turbine Stage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This article describes the transport and the interaction of pulsating entropy waves generated by combustor burners within a high-pressure turbine stage for aeronautical application. Experiments and computational fluid ...
The Effects of Swirling Flows in Entropy Wave Convection Through High-Pressure Turbine Stage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: First stages of aeronautical high-pressure turbines are subjected to significant inlet distortions generated by the combustor system. These disturbances are characterized by velocity and temperature fluctuations convected ...
Innovative Cavity Modeling for Centrifugal Compressors Aeromechanical Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Centrifugal compressor aeromechanics is playing an increasingly important role in the energy transition scenario, especially when operating with low-molecular-weight gases, such as hydrogen. For these machines, maximum ...
Impact of Turbine Center Frame Wakes on Downstream Rows in Heavy-Duty Low-Pressure Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this work, the effects of turbine center frame (TCF) wakes on the aeromechanical behavior of the downstream low-pressure turbine (LPT) blades are numerically investigated and compared with the experimental data. A small ...
Targeting Full-Hydrogen Operation on Industrial-Scale Gas Turbines: Impact of Unconventional Fuels on Turbine Module Performance and Aeromechanics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: With the trend to full decarbonization, a full-hydrogen economy development is a key industrial objective. Gas turbines, currently one of the cleanest fossil fuel-based power generation solutions, provide reliable and ...
Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low-Pressure Turbines by Means of Machine-Learnt Closures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this article, novel machine-learnt transition and turbulence models are applied to the prediction of boundary-layer transition and wake mixing in a low-pressure turbine (LPT) cascade, including unsteady inflow cases ...