Journal ArticleDOI
Reynolds number, thickness and camber effects on flapping airfoil propulsion
TLDR
The effect of varying airfoil thickness and camber on plunging and combined pitching and plunging propulsion at Reynolds number Re=200, 2000, 20,000 and 2×10 6 was studied by numerical simulations for fully laminar and fully turbulent flow regimes as mentioned in this paper.About:
This article is published in Journal of Fluids and Structures.The article was published on 2011-02-01. It has received 130 citations till now. The article focuses on the topics: NACA airfoil & Airfoil.read more
Citations
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Book
An Introduction to Flapping Wing Aerodynamics
TL;DR: In this article, the authors present an ideal book for graduate students and researchers interested in the aerodynamics, structural dynamics and flight dynamics of small birds, bats and insects, as well as of micro air vehicles (MAVs).
Journal ArticleDOI
A review on fluid dynamics of flapping foils
Wu Xia,Wu Xia,Xiantao Zhang,Xiantao Zhang,Xinliang Tian,Xinliang Tian,Xin Li,Xin Li,Wenyue Lu,Wenyue Lu +9 more
TL;DR: The fluid dynamics of flapping foils are reviewed in this paper, where a wide range of researches are conducted for the two-dimensional flapping foil which has a relatively simple geometry, however, for a three-dimensional foil, the aspect ratio and shape take effects and completely distinct fluid dynamics are revealed compared with the 2D one.
Journal ArticleDOI
Three-dimensional vortex formation on a heaving low-aspect-ratio wing: Computations and experiments
TL;DR: In this article, the three-dimensional unsteady separation process induced by large-amplitude heaving oscillations of a low-aspect-ratio wing under low-Reynolds-number conditions is investigated.
Journal ArticleDOI
On numerical modeling of animal swimming and flight
TL;DR: A review of the recent progress in numerical techniques of solving animal swimming and flight problems can be found in this paper, where the authors classified numerical studies into five stages, of which the main characteristics and the numerical strategies are described and discussed.
Journal ArticleDOI
Numerical study of large amplitude, nonsinusoidal motion and camber effects on pitching airfoil propulsion
Kun Lu,Yonghui Xie,Di Zhang +2 more
TL;DR: In this article, the effects of large amplitude and nonsinusoidal motion on pitching airfoil aerodynamics for thrust generation were numerically studied with a 2-D NACA0012 and NACA asymmetric airfoils were applied for camber effect study.
References
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Proceedings ArticleDOI
A one-equation turbulence model for aerodynamic flows
Philippe R. Spalart,S. Allmaras +1 more
Book
Turbulence modeling for CFD
TL;DR: In this paper, the authors proposed a compressible ecoulement for compressible ECCs, based on the disquette reference record created on 2005-11-18, modified on 2016-08-08.
Journal ArticleDOI
Oscillating foils of high propulsive efficiency
TL;DR: In this article, the phase angle between transverse oscillation and angular motion is the critical parameter affecting the interaction of leading-edge and trailing-edge vorticity, as well as the efficiency of propulsion.
Journal ArticleDOI
Optimal Thrust Development in Oscillating Foils with Application to Fish Propulsion
TL;DR: In this paper, it was shown that a stable coexistence of the jet profile and the large-scale patterns is ensured only at the frequency of maximum amplification, hence at this frequency optimal efficiency is obtained, i.e., maximum thrust per unit input energy.
Journal ArticleDOI
Flapping and flexible wings for biological and micro air vehicles
TL;DR: In this paper, the scaling laws of biological and micro-air vehicles involving wing span, wing loading, vehicle mass, cruising speed, flapping frequency, and power are summarized and discussed.