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This paper presents the numerical analysis of the aerodynamic performance of two-dimensional delta wing configurations that are differentiated by two different sweep angles, such as 50° and 60°, respectively. The model is assumed and analysed with a very low inlet velocity and a low Reynold’s number. CFD simulation is carried out for the two different delta wings with various freestream velocities from 10 to 40 m/s with an interval of 10 m/s, and for the yaw angle of attack varying from 0° to 30° with a deflection of 5°. The contours for the pressure, velocity and vectors of the same are obtained to compare and analyze the satisfactory results. The Computational Fluid Dynamics(CFD) is performed using ANSYS fluent with SST k-ω turbulence models. The numerical study that reveals the result, the side force coefficient CF appears to reach it highest value of 4.45 at 60° delta model and value of 2 at 50° delta model respectively for angle of attack of 30°. Further, it observed that the coefficient of drag has more drop in drag in 60° delta wing than 50° delta wing.

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CFD Analysis on Aerodynamics Performance of Delta Wing at Subsonic Speed

  • 会议论文

  • 发表日期：

    2025年

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  • G. Balaji,
  • Monika Sastikar,
  • Shratha Kishore,
  • Prince Bharat,
  • Nunna Krishna Murthy,
  • G. Santhosh Kumar,
  • S. Seralathan

摘要

This paper presents the numerical analysis of the aerodynamic performance of two-dimensional delta wing configurations that are differentiated by two different sweep angles, such as 50° and 60°, respectively. The model is assumed and analysed with a very low inlet velocity and a low Reynold’s number. CFD simulation is carried out for the two different delta wings with various freestream velocities from 10 to 40 m/s with an interval of 10 m/s, and for the yaw angle of attack varying from 0° to 30° with a deflection of 5°. The contours for the pressure, velocity and vectors of the same are obtained to compare and analyze the satisfactory results. The Computational Fluid Dynamics(CFD) is performed using ANSYS fluent with SST k-ω turbulence models. The numerical study that reveals the result, the side force coefficient CF appears to reach it highest value of 4.45 at 60° delta model and value of 2 at 50° delta model respectively for angle of attack of 30°. Further, it observed that the coefficient of drag has more drop in drag in 60° delta wing than 50° delta wing.