On the aerodynamic forces on heaving and pitching airfoils at low Reynolds number
The influence that the kinematics of pitching and heaving 2D airfoils has on the aerodynamic
forces is investigated using direct numerical simulations and a force decomposition …
forces is investigated using direct numerical simulations and a force decomposition …
Dynamics of flow around a pitching hydrofoil
This paper presents a parametric study on a forced pitching hydrofoil. The non-dimensional
frequency (Strouhal number, St d) and amplitude ratio (A∗) of the hydrofoil pitching are …
frequency (Strouhal number, St d) and amplitude ratio (A∗) of the hydrofoil pitching are …
Propulsion of a combined heaving and trailing-edge morphing foil for bio-inspired applications
Locomotion of aquatic animals involves flap** of their body to generate lift and thrust.
Through evolution, they have mastered their ability to move through complex environments …
Through evolution, they have mastered their ability to move through complex environments …
Influence of three-dimensionality on propulsive flap**
AN Zurman-Nasution… - Journal of Fluid …, 2020 - cambridge.org
Propulsive flap** foils are widely studied in the development of swimming and flying
animal-like autonomous systems. Numerical studies in this topic are mainly two-dimensional …
animal-like autonomous systems. Numerical studies in this topic are mainly two-dimensional …
Three-dimensional effects on the aerodynamic performance of flap** wings in tandem configuration
Direct numerical simulations have been performed to analyze how three-dimensional effects
influence the performance of wings in tandem configuration undergoing a two-dimensional …
influence the performance of wings in tandem configuration undergoing a two-dimensional …
Evolution of wake structures behind oscillating hydrofoils with combined heaving and pitching motion
The wake of an oscillating teardrop hydrofoil with combined heaving and pitching motion
was studied numerically at Reynolds number of 8000 and Strouhal numbers of, the wake …
was studied numerically at Reynolds number of 8000 and Strouhal numbers of, the wake …
Numerical investigation of the effects of different parameters on the thrust performance of three dimensional flap** wings
C Gong, J Han, Z Yuan, Z Fang, G Chen - Aerospace Science and …, 2019 - Elsevier
After billions of years of evolution, many creatures employing flap** wing in nature tend to
have excellent flight capabilities. To understand the bionic wings flow mechanism will be …
have excellent flight capabilities. To understand the bionic wings flow mechanism will be …
Efficient thrust enhancement by modified pitching motion
Thrust and/or efficiency of a pitching foil (mimicking a tail of swimming fish) can be enhanced
by tweaking the pitching waveform. The literature, however, show that non-sinusoidal …
by tweaking the pitching waveform. The literature, however, show that non-sinusoidal …
On the association of kinematics, spanwise instability and growth of secondary vortex structures in the wake of oscillating foils
Three-dimensional wake of an oscillating foil with combined heaving and pitching motion is
numerically evaluated at a range of chord-based Strouhal number (0.32≤ S tc≤ 0.56) and …
numerically evaluated at a range of chord-based Strouhal number (0.32≤ S tc≤ 0.56) and …
Kinematics and dynamics of the auto-rotation of a model winged seed
Numerical simulations of the auto-rotation of a model winged seed are presented. The
calculations are performed by solving simultaneously the Navier–Stokes equations for the …
calculations are performed by solving simultaneously the Navier–Stokes equations for the …