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- W3034878929 endingPage "2050036" @default.
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- W3034878929 abstract "This paper aims at investigating a two-dimensional flow over the rod-airfoil as a simple component of an aircraft using URANS equations. The prediction of the flow-induced noise is performed using F-WH analogy. Since Vortex’s periodic production is the main cause of the noise mechanism, by reducing its effect on the airfoil leading edge, the acoustic propagation reduces as well. To control flow and reduce noise, in this study, the suction and blowing active control method is employed (blowing in the rod, and simultaneous suction and blowing in the airfoil). The range of changes in the intensity (I) of the suction and blowing is (0.1U–0.5U), where [Formula: see text] is the rate of free streamflow. The acoustic study showed that the noise is decreased at [Formula: see text] and [Formula: see text] by 55% and 70%, which is due to the suppression and alleviation of vortices. In addition, by using blowing and suction, the lift force is increased and the drag force is decreased, which is aerodynamically favorable. Strouhal number estimation showed that this parameter was reduced by this control method." @default.
- W3034878929 created "2020-06-19" @default.
- W3034878929 creator A5044436860 @default.
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- W3034878929 date "2020-05-01" @default.
- W3034878929 modified "2023-10-03" @default.
- W3034878929 title "Reducing Aerodynamic Noise in a Rod-Airfoil Using Suction and Blowing Control Method" @default.
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- W3034878929 doi "https://doi.org/10.1142/s1758825120500362" @default.
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