The Aerodynamics Of Flapping Wings
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Author | : Wei Shyy |
Publisher | : Cambridge University Press |
Total Pages | : 321 |
Release | : 2013-08-19 |
Genre | : Science |
ISBN | : 1107037263 |
For anyone interested in the aerodynamics, structural dynamics and flight dynamics of small birds, bats, insects and air vehicles (MAVs).
Author | : Thomas J. Mueller |
Publisher | : AIAA |
Total Pages | : 614 |
Release | : 2001 |
Genre | : Aerodynamics |
ISBN | : 9781600864469 |
This title reports on the latest research in the area of aerodynamic efficency of various fixed-wing, flapping wing, and rotary wing concepts. It presents the progress made by over fifty active researchers in the field.
Author | : Lung-Jieh Yang |
Publisher | : CRC Press |
Total Pages | : 427 |
Release | : 2021-09-30 |
Genre | : Technology & Engineering |
ISBN | : 1000442624 |
Flapping wing vehicles (FWVs) have unique flight characteristics and the successful flight of such a vehicle depends upon efficient design of the flapping mechanisms while keeping the minimum weight of the structure. Flapping Wing Vehicles: Numerical and Experimental Approach discusses design and kinematic analysis of various flapping wing mechanisms, measurement of flap angle/flapping frequency, and computational fluid dynamic analysis of motion characteristics including manufacturing techniques. The book also includes wind tunnel experiments, high-speed photographic analysis of aerodynamic performance, soap film visualization of 3D down washing, studies on the effect of wing rotation, figure-of-eight motion characteristics, and more. Features Covers all aspects of FWVs needed to design one and understand how and why it flies Explains related engineering practices including flapping mechanism design, kinematic analysis, materials, manufacturing, and aerodynamic performance measures using wind tunnel experiments Includes CFD analysis of 3D wing profile, formation flight of FWVs, and soap film visualization of flapping wings Discusses dynamics and image-based control of a group of ornithopters Explores indigenous PCB design for achieving altitude and attitude control This book is aimed at researchers and graduate students in mechatronics, materials, aerodynamics, robotics, biomimetics, vehicle design and MAV/UAV.
Author | : Sanjay Prafullachandra Sane |
Publisher | : |
Total Pages | : 304 |
Release | : 2001 |
Genre | : |
ISBN | : |
Author | : G.C.H.E. de Croon |
Publisher | : Springer |
Total Pages | : 221 |
Release | : 2015-11-26 |
Genre | : Technology & Engineering |
ISBN | : 9401792089 |
This book introduces the topics most relevant to autonomously flying flapping wing robots: flapping-wing design, aerodynamics, and artificial intelligence. Readers can explore these topics in the context of the "Delfly", a flapping wing robot designed at Delft University in The Netherlands. How are tiny fruit flies able to lift their weight, avoid obstacles and predators, and find food or shelter? The first step in emulating this is the creation of a micro flapping wing robot that flies by itself. The challenges are considerable: the design and aerodynamics of flapping wings are still active areas of scientific research, whilst artificial intelligence is subject to extreme limitations deriving from the few sensors and minimal processing onboard. This book conveys the essential insights that lie behind success such as the DelFly Micro and the DelFly Explorer. The DelFly Micro, with its 3.07 grams and 10 cm wing span, is still the smallest flapping wing MAV in the world carrying a camera, whilst the DelFly Explorer is the world's first flapping wing MAV that is able to fly completely autonomously in unknown environments. The DelFly project started in 2005 and ever since has served as inspiration, not only to many scientific flapping wing studies, but also the design of flapping wing toys. The combination of introductions to relevant fields, practical insights and scientific experiments from the DelFly project make this book a must-read for all flapping wing enthusiasts, be they students, researchers, or engineers.
Author | : Csaba Hefler |
Publisher | : Cambridge University Press |
Total Pages | : 104 |
Release | : 2021-05-27 |
Genre | : Technology & Engineering |
ISBN | : 110887522X |
Insect-scale flapping wing flight vehicles can conduct environmental monitoring, disaster assessment, mapping, positioning and security in complex and challenging surroundings. To develop bio-inspired flight vehicles, systematic probing based on the particular category of flight vehicles is needed. This Element addresses the aerodynamics, aeroelasticity, geometry, stability and dynamics of flexible flapping wings in the insect flight regime. The authors highlight distinct features and issues, contrast aerodynamic stability between rigid and flexible wings, present the implications of the wing-aspect ratio, and use canonical models and dragonflies to elucidate scientific insight as well as technical capabilities of bio-inspired design.
Author | : Wei Shyy |
Publisher | : Cambridge University Press |
Total Pages | : 0 |
Release | : 2011-04-28 |
Genre | : Technology & Engineering |
ISBN | : 9780521204019 |
Low Reynolds number aerodynamics is important to a number of natural and man-made flyers. Birds, bats, and insects have been of interest to biologists for years, and active study in the aerospace engineering community, motivated by interest in micro air vehicles (MAVs), has been increasing rapidly. The primary focus of this book is the aerodynamics associated with fixed and flapping wings. The book consider both biological flyers and MAVs, including a summary of the scaling laws-which relate the aerodynamics and flight characteristics to a flyer's sizing on the basis of simple geometric and dynamics analyses, structural flexibility, laminar-turbulent transition, airfoil shapes, and unsteady flapping wing aerodynamics. The interplay between flapping kinematics and key dimensionless parameters such as the Reynolds number, Strouhal number, and reduced frequency is highlighted. The various unsteady lift enhancement mechanisms are also addressed, including leading-edge vortex, rapid pitch-up and rotational circulation, wake capture, and clap-and-fling.
Author | : Michael Shawn Vest |
Publisher | : |
Total Pages | : 344 |
Release | : 1996 |
Genre | : Aerodynamics |
ISBN | : |
Propulsive forces can be generated with flapping or heaving wings traveling through a fluid, as demonstrated in animal flight. The flow field of a bird in flight is one of the most complex aerodynamic problems that can be examined. Many other bird flight theories are based on quasi-steady fluid dynamic assumptions even though the flow field is inherently unsteady. To help examine the time dependency of bird flight, an unsteady three dimensional potential flow panel code was developed. Another problem in studying the aerodynamics of avian flight is the limited amount of quantitative experimental data on flapping wings. To gain further understanding of avian flight and to develop an experimental database for comparison of the fluid dynamic model, a mechanical bird was constructed and placed in a wind tunnel. The mechanical bird, modeled after a pigeon, is capable of flapping at various angles to the freestream flow. For the current study, however, the flapping motion was limited to a plane normal to the oncoming flow. Results of the numerical model were compared to the measured forces on the mechanical bird as well as to the limited data available on real birds. In one case, the model was applied to a flapping wing in a wind tunnel at high advance ratios $(J=4.31)$ where the computed average lift and thrust were within the error bounds of the experimental data. The model was also applied to high frequency flapping flight $(J=0.76)$ of a pigeon flying in a wind tunnel, where the predicted lift matched the weight of the bird. Time histories of the mechanical pigeon agreed well with the numerical predictions for high $(J=5.38)$ and low $(J=0.84)$ advance ratios. The model was also extended to examine the effect of wing twist on flight efficiencies. Flight characteristics of the mechanical bird and a real pigeon were also compared.
Author | : Wei Shyy |
Publisher | : |
Total Pages | : 0 |
Release | : 2013 |
Genre | : Aerodynamics |
ISBN | : 9781107055117 |
Author | : Omar D Lopez Mejia |
Publisher | : BoD – Books on Demand |
Total Pages | : 196 |
Release | : 2017-09-06 |
Genre | : Science |
ISBN | : 9535134639 |
Few years ago, the topic of aerial robots was exclusively related to the robotics community, so a great number of books about the dynamics and control of aerial robots and UAVs have been written. As the control technology for UAVs advances, the great interaction that exists between other systems and elements that are as important as control such as aerodynamics, energy efficiency, acoustics, structural integrity, and applications, among others has become evident. Aerial Robots - Aerodynamics, Control, and Applications is an attempt to bring some of these topics related to UAVs together in just one book and to look at a selection of the most relevant problems of UAVs in a broader engineering perspective.