WebApr 13, 2024 · Polidoro, “ Flapping foil propulsion for cruising and hovering autonomous underwater vehicles,” Ph.D. thesis ( Massachusetts Institute of Technology, 2003). Of particular interest to the present study is the bio-mimicry of aquatic locomotion. WebJan 16, 2024 · A conceptual design of bionic Autonomous Underwater Glider (AUG) is introduced, with a pair of flapping wings. The immersed boundary method is employed and Navier–Stokes equations are solved to investigate the propulsive performance of the bionic AUG with Aspect Ratios (ARs) of the flapping wings varying from 0.36 to 5. The …
Bizarre Volerian aircraft design replaces jets and props with flapping …
WebMay 2, 2024 · In this paper, the propulsion performance of a spanwise flexible oscillating wing, which is broadly similar to the undulation of a fin fluke, is investigated. The geometry of the fluke underwent three prescribed harmonic oscillating motions simultaneously while surging with constant velocity. The effect of deflection phase angle, flexibility parameter, … WebJet propulsion is simplified to a clapping motion (left) while flapping propulsion is simplified to a two-dimensional flapping plate (right) In order to provide a fair comparison between the two mechanisms, a single-axis experimental apparatus, which can function in jet propulsion or flapping propulsion, is used. In addition, the total swept ... theraceed lotion
Optimal Matching of Flapping Hydrofoil Propulsion …
WebSep 15, 2024 · This paper experimentally investigates the propulsion of semi-active hydrofoils from wave energy. For the case of NACA 0012 foil section, heave amplitude h 0 = 1.0 chord, Reynolds number R e = 2 × 10 4, a series of flapping experiments were carried out.We examine the effects of the pivot location x p = 0.09c, 0.16c, 0.25c, and 0.33c on … WebJul 27, 2024 · Structural flexibility, a common feature of fish fins and insect wings, tends to increase propulsion performance compared to equivalent rigid systems in terms of thrust production and efficiency. Most past studies have focused on propulsors with uniform bending stiffness. This study investigates tapered flapping foils subjected to a heaving … WebJun 7, 2024 · Comparison of $\overline{C}_{po}$ between flapping and clapping … the race edf