Investigation of the Effects of Blade-Tip Planform Shape on the Aerodynamic Coefficients of Helicopter Rotor Blades Using Computational Fluid Dynamics (CFD)
📑 Paper Information
| 📑 Paper Title | Investigation of the Effects of Blade-Tip Planform Shape on the Aerodynamic Coefficients of Helicopter Rotor Blades Using Computational Fluid Dynamics (CFD) |
| 👤 Authors | Tuyen Nguyen, Trong Thuong Tran |
| 📘 Published Issue | Volume 2 Issue 5, September - October |
| 📅 Year of Publication | 2026 |
| 🆔 Unique Identification Number | IJAMRED-V2I5P62 |
| 📑 Search on Google | Click Here |
📝 Abstract
This study uses Computational Fluid Dynamics (CFD) to analyze how blade-tip planform shape affects helicopter rotor blade aerodynamics. Four configurations (rectangular, trapezoidal, swept, and variable-swept) were developed and compared with consistent geometric parameters. Numerical simulations with ANSYS Fluent assessed lift coefficient variations with angle of attack and drag coefficient with Mach number (at zero-lift). Results show blade-tip geometry significantly impacts aerodynamics, especially at moderate-to-high angles of attack and high speeds. The variable-swept tip improves lift and reduces drag at high Mach numbers, while the rectangular tip is less efficient at high speeds. These differences are linked to changes in pressure distribution, tip-vortex strength, flow separation, and local shock-wave development. Optimizing blade-tip planform geometry can enhance rotor blade aerodynamic performance, providing a useful basis for design.
📝 How to Cite
Tuyen Nguyen, Trong Thuong Tran,"Investigation of the Effects of Blade-Tip Planform Shape on the Aerodynamic Coefficients of Helicopter Rotor Blades Using Computational Fluid Dynamics (CFD)" International Journal of Advanced Multidisciplinary Research and Educational Development, V2(5): Page(535-537) September - October 2026. ISSN: 3107-6513. www.ijamred.com. Published by Scientific and Academic Research Publishing.