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- W4285217924 abstract "The effect of geometrical parameters on the hydraulic and flow characteristics of a 2D hydrofoil with a circular arc camber has been studied with the aim to develop design of impeller blades of turbomachines as well as other types of equipment that uses airo/hydrodynamic wings. The lift and drag characteristics of the several models of finite-thickness circular-arc hydrofoil are investigated in different camber (leading edge angle β is from 5° to 20°) and the angle of attack (AoA) α is in the range from −12° to 20° at a high Reynolds number (Re = 106). The SST k – ω turbulent model is validated with experimental data of NACA4212 for usage in present study. In the result, the effect of leading-edge angle β on the flow characteristics of the circular-arc hydrofoil (namely CAβ) with different camber are carried out. The lift and drag coefficients can be determined by a linear function of the β at a certain value of AoA correspondingly. The stall phenomena are also determined in accompanying with the separation flow when the AoA α > 6° and α < −3° by the flow separates at the leading edge. The the lift coefficient CL can reach a maximum value when AoA is around 7°–9°. The flow characteristics will be useful for developing and applying in design of wing and impeller’s blade of turbomachines." @default.
- W4285217924 created "2022-07-14" @default.
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- W4285217924 date "2022-01-01" @default.
- W4285217924 modified "2023-10-17" @default.
- W4285217924 title "Nummerical Analysis on Lift and Drag of a Finite-Thickness Circular Arc Hydrofoil in Different Camber" @default.
- W4285217924 cites W2519221873 @default.
- W4285217924 doi "https://doi.org/10.1007/978-981-19-1968-8_102" @default.
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