Influence of the pivot location on the thrust and propulsive efficiency performance of a two-dimensional flapping elliptic airfoil in a forward flight
In this article, the effect of the pivot point location on the thrust performance of a two-
dimensional sinusoidal flapping elliptic airfoil in a forward flight condition is investigated …
dimensional sinusoidal flapping elliptic airfoil in a forward flight condition is investigated …
Power synchronisations determine the hovering flight efficiency of passively pitching flapping wings
The power exchange between fluid and structure plays a significant role in the force
production and flight efficiency of flapping wings in insects and artificial flyers. This work …
production and flight efficiency of flapping wings in insects and artificial flyers. This work …
Energy harvesting using an inverted piezohydroelastic flag with resistor–inductor–capacitor circuit
We develop a high-fidelity multi-physics model and, by using it, study the energy conversion
process of a piezohydroelastic flag. Instead of a regular flag with a clamped upstream …
process of a piezohydroelastic flag. Instead of a regular flag with a clamped upstream …
[HTML][HTML] Vortex-induced vibrations in an active pitching flapping foil power generator with two degrees of freedom
Y Bai, M Zheng - Physics of Fluids, 2023 - pubs.aip.org
The energy harvesting characteristics of actively pitching flapping foils under a two-degrees-
of-freedom (2DOF) system were investigated through numerical simulations. At a Reynolds …
of-freedom (2DOF) system were investigated through numerical simulations. At a Reynolds …
Onset of unsteadiness in the flow past a blade cascade
Y Fang, L Du, C He, D Sun, X Sun - Physics of Fluids, 2023 - pubs.aip.org
There has been little research on the system stability of the flow past a blade when the
domain is finite in the transverse direction. In this study, we first explore the influence of the …
domain is finite in the transverse direction. In this study, we first explore the influence of the …
[HTML][HTML] A leading-edge vortex initiation criteria for large amplitude foil oscillations using a discrete vortex model
K Kamrani Fard, V Ngo, JA Liburdy - Physics of Fluids, 2021 - pubs.aip.org
A leading-edge vortex initiation criterion of an oscillating airfoil is shown to provide a means
to predict the onset of leading-edge separation. This result is found to collapse the …
to predict the onset of leading-edge separation. This result is found to collapse the …
Stall flutter suppression of NACA 0012 airfoil based on steady blowing
Z Chen, Z Shi, S Chen, Z Yao - Journal of Fluids and Structures, 2022 - Elsevier
Stall flutter is a classical aeroelastic phenomenon that seriously affects the performance of
flexible wings at high angle of attack. In this article, steady blowing from the leading edge is …
flexible wings at high angle of attack. In this article, steady blowing from the leading edge is …
[HTML][HTML] Experimental observation of flow-induced vibrations of a transversely oscillating D-section prism
Fluid–structure interactions of non-circular prisms are of significance from a scientific and
practical viewpoint. In this paper, we present a new experimental observation of flow …
practical viewpoint. In this paper, we present a new experimental observation of flow …
Flow-energy harvesting using a fully passive flapping foil: A guideline on design and operation
Following our previous work [Int. J. Mech. Sci.(2020), vol. 177, 105587], we searched the
best power extraction performance of a novel flow-energy harvester, which utilizes a fully …
best power extraction performance of a novel flow-energy harvester, which utilizes a fully …
Energy harvesting performance of thick oscillating airfoils using a discrete vortex model
KK Fard, V Ngo, D Pence… - Journal of Fluids …, 2023 - asmedigitalcollection.asme.org
The energy harvesting performance of thick oscillating airfoils is predicted using an inviscid
discrete vortex model (DVM). National Advisory Committee for Aeronautics (NACA) airfoils …
discrete vortex model (DVM). National Advisory Committee for Aeronautics (NACA) airfoils …