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RISAerothermal Performance of Slashface Leakage With Double Surface Angle Under Realistic Swirling Inflow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The turbine vanes being manufactured and assembled piece by piece leads to an unavoidable gap on the vane endwall called slashface. Usually, the coolant leakage introduced from the slashface with a single surface angle ...
Numerical Analysis of Leakage Flow and Film Cooling Characteristics of the Inclined Slashface on Gas Turbine Endwall
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Targeting the severe mainstream ingestion and non-uniform coolant leakage problems of the endwall slashface, a novel inclined slashface structure is proposed based on a typical perpendicular slashface. The flow characteristics ...
Numerical Analysis of Leakage Flow and Film Cooling Characteristics of the Inclined Slashface on Gas Turbine Endwall
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Targeting the severe mainstream ingestion and non-uniform coolant leakage problems of the endwall slashface, a novel inclined slashface structure is proposed based on a typical perpendicular slashface. The flow characteristics ...
Uncertainty Quantification and Robustness Optimization Methods for the Aero-Thermal Performance of Turbine Endwall Contour
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. Endwall contouring is a widely used technique for enhancing aerodynamic performance in turbine cascades. However, the manufacturing process of contoured endwalls inherently involves geometric errors, and thus, ...
Different Effects of Two ENSO Types on Arctic Surface Temperature in Boreal Winter
Publisher: American Meteorological Society
Abstract: AbstractThe present work investigates different responses of Arctic surface air temperature (SAT) to two ENSO types based on reanalysis datasets and model experiments. We find that eastern Pacific (EP) ENSO events are ...
Effects of Combustor Residual Swirl and Hot Spot on Aerothermal Characteristics and Cooling Performance of Gas Turbine Blade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. The swirling flow and the hot spot generated in the aero-engine combustor have significant impacts on the downstream turbine components. This article numerically investigates the influence of the residual swirl ...