Abstract
Tiltrotor aircraft has received great attention as the next generation rotorcraft, characterized by longer range and faster cruising speeds compared to conventional VTOL(Vertical Take-off and Landing) aircraft. However, flight instability in the transition mode where the variation in thrust direction of the tiltrotor can cause serious safety problem due to the complex and nonlinear aerodynamic characteristics. In this study, the aerodynamic characteristics and wake behavior of tiltrotor aircraft in the transition mode are investigated using source-double panel method with unsteady vortex particle method(VPM). The vortex methods used in this paper are validated by comparing the aerodynamics loads of XV-15 rotor blade in hover conditions. The effects of tilt angle on the rotor aerodynamic performance, wake structure, and vorticity fields are discussed in detail. The findings in this study can provide an insight into the flight characteristics of tiltrotor.
| Translated title of the contribution | Predicting Aerodynamics and Wake Dynamics of Tilt Rotor using Unsteady Vortex Particle Method |
|---|---|
| Original language | Korean |
| Pages (from-to) | 775-787 |
| Number of pages | 13 |
| Journal | Journal of the Korean Society for Aeronautical and Space Sciences |
| Volume | 52 |
| Issue number | 10 |
| DOIs | |
| State | Published - 2024.10 |
Keywords
- Source-Doublet Panel Method
- Tiltrotor
- Unsteady Vortex Particle Method
- Wake Behavior
- Wake Structure
Quacquarelli Symonds(QS) Subject Topics
- Engineering - Mechanical
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