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RISAnalysis of Unsteady Tip and Endwall Heat Transfer in a Highly Loaded Transonic Turbine Stage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In a previous study, vane-rotor shock interactions and heat transfer on the rotor blade of a highly loaded transonic turbine stage were simulated. The geometry consists of a high pressure ...
Prestall Behavior of a Transonic Axial Compressor Stage via Time-Accurate Numerical Simulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Computational fluid dynamics calculations using high-performance parallel computing were conducted to simulate the prestall flow of a transonic compressor stage, NASA compressor Stage 35. The ...
3D Unsteady Simulation of a Modern High Pressure Turbine Stage Using Phase Lag Periodicity: Analysis of Flow and Heat Transfer
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Unsteady 3D Reynolds-averaged Navier–Stokes (RANS) simulations have been performed on a highly loaded transonic turbine stage, and results are compared with steady calculations and experiments. A ...
Wake-Induced Unsteady Flows: Their Impact on Rotor Performance and Wake Rectification
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The impact of wake-induced unsteady flows on blade row performance and the wake rectification process is examined by means of numerical simulation. The passage of a stator wake through a ...
Microphysical Perturbation Experiments and Ensemble Forecasts on Summertime Heavy Rainfall over Northern Taiwan
Publisher: American Meteorological Society
Abstract: Microphysical perturbation experiments were conducted to investigate the sensitivity of convective heavy rain simulation to cloud microphysical parameterization and its feasibility for ensemble forecasts. An ensemble of ...