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An Experimental And Numerical Investigation Of Flapping And Plunging Wings
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Book Synopsis An Experimental and Numerical Investigation of Flapping and Plunging Wings by : Taylor Alexander Swanson
Download or read book An Experimental and Numerical Investigation of Flapping and Plunging Wings written by Taylor Alexander Swanson and published by . This book was released on 2009 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Micro air vehicles, or MAVs, are of current interest for a multitude of uses to which they, being small, unmanned vehicles, are uniquely suited. Among the proposed uses are exploration, reconnaissance, and communications. They can be deployed inside buildings, where their small size, hovering capability, and maneuverability, are important factors. Due to their small size, they operate at low Reynolds numbers where conventional flying mechanisms are not advantageous. Thus, attempts have been made to learn from natural flyers like insects and birds. Natural flight is accomplished by flapping wings, and this idea has been proposed for certain types of MAVs termed ornithopters and entomopters. This dissertation investigates the aerodynamics applicable to low Reynolds number unsteady flow, and consists of four stages. The first stage is CFD for fixed wings at low Reynolds number. In the second and third stage, experiments are conducted on flapping and plunging wings. The final stage consists of dynamic mesh CFD for a plunging airfoil"--Abstract, leaf iii.
Book Synopsis An Experimental and Numerical Investigation of Flapping-wing Propulsion by : K. D. Jones
Download or read book An Experimental and Numerical Investigation of Flapping-wing Propulsion written by K. D. Jones and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Computational and Experimental Investigation of Flapping-Wing Propulsion by : Timothy Craig Lund
Download or read book A Computational and Experimental Investigation of Flapping-Wing Propulsion written by Timothy Craig Lund and published by . This book was released on 2000-03-01 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flapping-wing propulsion is studied experimentally and numerically. The objective of the research is to provide further insight into the aerodynamics of flapping-wing air vehicles. Experimental work is conducted in the NPS 1.5 m x 1.5 m (5 ft x 5 ft) in-draft wind tunnel. A previously constructed long-span flapping-wing model suspended by cables is used to approximate the two-dimensional nature of the numerical simulation. For this experiment, the model is configured with two wings executing plunge-only motion. Thrust is indirectly determined by using a laser rangefinder to measure streamwise displacement of the model. Results are compared with previous experimental tests. A numerical analysis is conducted using USPOT, a locally developed unsteady panel code that models two independently moving airfoils with three degrees of freedom and non-linear deforming wakes. Thrust and efficiencies are computed for harmonically oscillating airfoils. Direct comparison is made between experimental and numerical thrust measurements.
Book Synopsis Numerical and Analytical Investigation of the Unsteady Lift Characteristics of Plunging-Pitching-Flapping Wings by : Ryan Muoio
Download or read book Numerical and Analytical Investigation of the Unsteady Lift Characteristics of Plunging-Pitching-Flapping Wings written by Ryan Muoio and published by . This book was released on 2016 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt: Three methods for computing the unsteady lift response due to basic kinematic motion---plunging, pitching, and flapping---are compared. The first two methods are analytical models developed by Theodorsen and Leishman, while the third method is a numerical method known as the unsteady vortex lattice method. The MATLAB code for this numerical method is included. All calculations are evaluated for the potential flow case.
Book Synopsis Numerical Investigation of Flapping Wings by : Alexander Itenberg
Download or read book Numerical Investigation of Flapping Wings written by Alexander Itenberg and published by . This book was released on 2006 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Introduction to Flapping Wing Aerodynamics by : Wei Shyy
Download or read book An Introduction to Flapping Wing Aerodynamics written by Wei Shyy and published by Cambridge University Press. This book was released on 2013-08-19 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is 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), which present some of the richest problems intersecting science and engineering. The agility and spectacular flight performance of natural flyers, thanks to their flexible, deformable wing structures, as well as to outstanding wing, tail and body coordination, is particularly significant. To design and build MAVs with performance comparable to natural flyers, it is essential that natural flyers' combined flexible structural dynamics and aerodynamics are adequately understood. The primary focus of this book is to address the recent developments in flapping wing aerodynamics. This book extends the work presented in Aerodynamics of Low Reynolds Number Flyers (Shyy et al. 2008).
Book Synopsis Introduction to Nonlinear Aeroelasticity by : Grigorios Dimitriadis
Download or read book Introduction to Nonlinear Aeroelasticity written by Grigorios Dimitriadis and published by John Wiley & Sons. This book was released on 2017-03-10 with total page 944 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction to Nonlinear Aeroelasticity Introduces the latest developments and technologies in the area of nonlinear aeroelasticity Nonlinear aeroelasticity has become an increasingly popular research area in recent years. There have been many driving forces behind this development, increasingly flexible structures, nonlinear control laws, materials with nonlinear characteristics and so on. Introduction to Nonlinear Aeroelasticity covers the theoretical basics in nonlinear aeroelasticity and applies the theory to practical problems. As nonlinear aeroelasticity is a combined topic, necessitating expertise from different areas, the book introduces methodologies from a variety of disciplines such as nonlinear dynamics, bifurcation analysis, unsteady aerodynamics, non-smooth systems and others. The emphasis throughout is on the practical application of the theories and methods, so as to enable the reader to apply their newly acquired knowledge Key features: Covers the major topics in nonlinear aeroelasticity, from the galloping of cables to supersonic panel flutter Discusses nonlinear dynamics, bifurcation analysis, numerical continuation, unsteady aerodynamics and non-smooth systems Considers the practical application of the theories and methods Covers nonlinear dynamics, bifurcation analysis and numerical methods Accompanied by a website hosting Matlab code Introduction to Nonlinear Aeroelasticity is a comprehensive reference for researchers and workers in industry and is also a useful introduction to the subject for graduate and undergraduate students across engineering disciplines.
Book Synopsis Investigation of Numerical Approaches to Analyze Flapping Wings by : Nitin Bhagat
Download or read book Investigation of Numerical Approaches to Analyze Flapping Wings written by Nitin Bhagat and published by . This book was released on 2011 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: For centuries, the agility and maneuverability of flying insects have been an inspiration to fluid dynamists. A large number of research activities have been conducted within the biological, aerodynamics, and computational science communities to understand the complex flow fields around flapping insects and their capability for rapid maneuvers. However, the understanding of these natural phenomena is still in its infancy. Recent experimental flow visualizations have shown the complex vortical structures around flapping wings and vortex interactions. Even with the advent of faster and better computer processors and improved numerical algorithms, computational fluid dynamics (CFD) techniques to accurately predict flow features around flapping wings lag behind. One of the driving forces for the study of insect flight is its applicability for micro-air vehicles (MAVs). Micro Air Vehicles (MAVs) have potential uses for surveillance, communication, hostage rescue missions, and sensor placement for chemical, biological, and nuclear materials. However, technical challenges such as small scale power generation, navigation, propulsion, and most importantly production of necessary aerodynamics forces have hindered the advancement of this technology and the routine use of MAVs. The most effective way to generate aerodynamic forces for such applications is by the use of flapping wings. Different components that are needed for the analysis and prediction of aerodynamic behavior of flapping wing flight are evaluated in this study. These components include: (a) library-based approach for adding overset capability to handle large relative motion between different objects. and (b) the use of a generalized mesh for handling complex geometries. Different interpolation methods for the transfer of information across different layers of generalized overset meshes are evaluated. The effect of primitive vs. conservative interpolation of flow variable is evaluated using a moving discontinuity across the overlapping region. Also, a preliminary study has been conducted to couple the developed flow simulation system with the FSI library developed at the University of Alabama at Birmingham. The focus of the research work is to explore various approaches for moving body problems and to investigate the developed computational system for its applicability and exploration for aerodynamic analysis of flapping wing flight.
Book Synopsis An Introduction to Flapping Wing Aerodynamics by : Wei Shyy
Download or read book An Introduction to Flapping Wing Aerodynamics written by Wei Shyy and published by Cambridge University Press. This book was released on 2013-08-19 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: For anyone interested in the aerodynamics, structural dynamics and flight dynamics of small birds, bats, insects and air vehicles (MAVs).
Book Synopsis Fixed and Flapping Wing Aerodynamics for Micro Air Vehicle Applications by : Thomas J. Mueller
Download or read book Fixed and Flapping Wing Aerodynamics for Micro Air Vehicle Applications written by Thomas J. Mueller and published by AIAA. This book was released on 2001 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1948 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The DelFly written by G.C.H.E. de Croon and published by Springer. This book was released on 2015-11-26 with total page 221 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Thesis (Ph. D.)--Mechanical Engineering, New Mexico State University, 2012 by : Tao Yang
Download or read book Thesis (Ph. D.)--Mechanical Engineering, New Mexico State University, 2012 written by Tao Yang and published by . This book was released on 2012 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the 5th International Conference on Jets, Wakes and Separated Flows (ICJWSF2015) by : Antonio Segalini
Download or read book Proceedings of the 5th International Conference on Jets, Wakes and Separated Flows (ICJWSF2015) written by Antonio Segalini and published by Springer. This book was released on 2016-07-18 with total page 603 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume collects various contributions from the 5th International Conference on Jets, Wakes and Separated Flows (ICJWSF2015) that took place in Stockholm during June 2015. Researchers from all around the world presented their latest results concerning fundamental and applied aspects of fluid dynamics. With its general character, the conference embraced many aspects of fluid dynamics, such as shear flows, multiphase flows and vortex flows, for instance. The structure of the present book reflects the variety of topics treated within the conference i.e. Jets, Wakes, Separated flows, Vehicle aerodynamics, Wall-bounded and confined flows, Noise, Turbomachinery flows, Multiphase and reacting flows, Vortex dynamics, Energy-related flows and a section dedicated to Numerical analyses.
Book Synopsis Analytical and Experimental Investigation of Aerodynamic Forces and Moments on Low-aspect-ratio Wings Undergoing Flapping Oscillations by : Donald S. Woolston
Download or read book Analytical and Experimental Investigation of Aerodynamic Forces and Moments on Low-aspect-ratio Wings Undergoing Flapping Oscillations written by Donald S. Woolston and published by . This book was released on 1958 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aerodynamic forces and moments associated with flapping oscillations of finite wings at low speeds are considered. A comparison of theoretical and experimental results is made for a rectangular wing of aspect ratio 2. Calculated results are also given for three tapered wings of aspect ratio 3 with varying amounts of sweepback. The calculations are based on a numerical solution of the integral equation of subsonic lifting-surface theory. The experimental techniques employed are essentially those used in previous measurements associated with pitching oscillations. Theory and experiment are generally in good agreement with regard to magnitude of the forces and moments, but differ with regard to phase angle.
Book Synopsis Numerical and Experimental Studies of Flexibility in Flapping Wing Aerodynamics by : Jonathan Edward Toomey
Download or read book Numerical and Experimental Studies of Flexibility in Flapping Wing Aerodynamics written by Jonathan Edward Toomey and published by . This book was released on 2009 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical Study of Flapping Wing by : San-Yih Lin
Download or read book Numerical Study of Flapping Wing written by San-Yih Lin and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
