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- W3139257767 abstract "The main objective of an aircraft aerodynamics is to improve the aerodynamic characteristics and maneuverability of the aircraft. The reduction in drag and stall phenomena will automatically enhance the aerodynamic characteristics. This project is an effort to enhance the aerodynamic characteristics of airfoil by introducing some surface modifications in the form of dimples. The shape of the dimples we selected is circular shaped dimple. We placed 12 numbers of dimples in both the surfaces with 12 in the upper surface and 12 in lower surface. The dimples were located in an appropriate place so that it could delay the boundary layer formation. The dimple generally creates turbulence by creating vortices which in turn delays the boundary layer formation. With the effects of dimple pressure drag gets reduced and also the acoustic effects get reduced. This project includes the computational analysis of dimple effect on aircraft wing using NACA 0018 airfoil with uniform cross section throughout the length of airfoil. Subsonic flows are considered for this analysis. The analyses were done under the inlet velocity of 30 m/s and 60m/s at different angle of attack such as 0, 5, 10, and 15 degrees. The models were designed using CATIA V5 and simulated using ANSYS CFX software package." @default.
- W3139257767 created "2021-03-29" @default.
- W3139257767 creator A5032465027 @default.
- W3139257767 date "2018-08-01" @default.
- W3139257767 modified "2023-09-26" @default.
- W3139257767 title "CFD Analysis of controlling the airflow over airfoils using dimples: Dimple Airfoil" @default.
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