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RISThe Feasibility of an Euler–Lagrange Approach for the Modeling of Wet Steam
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study investigates the applicability of an Euler–Lagrange approach for the calculation of nucleation and condensation of steam flows. Supersonic nozzles are used as generic validation cases, as their high expansion ...
Advanced Methods for Assessing Flow Physics of the TU Darmstadt Compressor Stage: Uncertainty Quantification of RANS Turbulence Modeling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, we quantify the turbulence modeling uncertainty for the transonic Technische Universität Darmstadt (TUDa) compressor. The present work applies the Eigenspace Perturbation Framework (EPF) as it is the only ...
Surface Roughness Impact on Low-Pressure Turbine Performance Due to Operational Deterioration
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The overall efficiency and operational behavior of aircraft engines are influenced by the surface finish of the airfoils. During operation, the surface roughness significantly increases due to erosion and deposition ...
Potential of Future Thermoelectric Energy Recuperation for Aviation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Germany's Fifth Aeronautical Research Program (LuFo-V) gives the framework for the thermoelectric energy recuperation for aviation (TERA) project, which focuses on the positioning of thermoelectricity by means of a holistic ...