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PDF Airship Technology:: Table of Contents 2nd Edition, Published from the Cambridge University Press, UK on 2012 Feb 28 I have coauthored the materials chapter (113-148) of this book: Airship. This paper presents a novel design of indoor airship having a passive wheeled mechanism and its stationary position control. This wheeled blimp can work both on the ground using wheeled vehicle part and in the air using the floating capability of the blimp part. The wheeled blimp stands on the.

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Given their hovering ability, static lift airships, such as airships and balloons, are proposed as stratospheric platforms flying at a high altitude of 20 km. The shape of the envelope has a major influence on the lift and drag efficiency of an airship. Furthermore, the efficiency of a conventional actuator, such as an aerodynamic control surface for stratospheric platforms, is decreased by the low-atmospheric density and flight speed. Thus, a new type of effector configuration must be proposed. A new multivectored thrust airship called flat peach is proposed in this paper. The name is attributed to the shape of the airship, which resembles a flat peach that is a cross between a ball and a water droplet. Thus, this airship has a smaller drag coefficient than the spherical airship and higher lift efficiency than a conventional airship. A control allocation strategy among the multivectored thrusters is proposed, and a composite control structure is designed for the airship to realize accurate position control and to decrease energy consumption.

Keywords Stratospheric airship, flat peach, multi-vectored thrusters, control allocation, composite control structure
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Author: John P. Fielding
Editor: Cambridge University Press
ISBN: 1108108113
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The new edition of this popular textbook provides a modern, accessible introduction to the whole process of aircraft design from requirements to conceptual design, manufacture and in-service issues. Highly illustrated descriptions of the full spectrum of aircraft types, their aerodynamics, structures and systems, allow students to appreciate good and poor design and understand how to improve their own designs. Cost data is considerably updated, many new images have been added and new sections are included on the emerging fields of Uninhabited Aerial Vehicles and environmentally-friendly airlines. Examples from real aircraft projects are presented throughout, demonstrating to students the applications of the theory. Three appendices and a bibliography provide a wealth of information, much not published elsewhere, including simple aerodynamic formulae, an introduction to airworthiness and environmental requirements, aircraft, engine and equipment data, and a case study of the conceptual design of a large airliner.

Aircraft Design

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Editor: Cambridge University Press
ISBN: 1139487450
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Aircraft Design explores fixed winged aircraft design at the conceptual phase of a project. Designing an aircraft is a complex multifaceted process embracing many technical challenges in a multidisciplinary environment. By definition, the topic requires intelligent use of aerodynamic knowledge to configure aircraft geometry suited specifically to the customer's demands. It involves estimating aircraft weight and drag and computing the available thrust from the engine. The methodology shown here includes formal sizing of the aircraft, engine matching, and substantiating performance to comply with the customer's demands and government regulatory standards. Associated topics include safety issues, environmental issues, material choice, structural layout, understanding flight deck, avionics, and systems (for both civilian and military aircraft). Cost estimation and manufacturing considerations are also discussed. The chapters are arranged to optimize understanding of industrial approaches to aircraft design methodology. Example exercises from the author's industrial experience dealing with a typical aircraft design are included.

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This text provides an introduction to structural dynamics and aeroelasticity, with an emphasis on conventional aircraft. The primary areas considered are structural dynamics, static aeroelasticity and dynamic aeroelasticity. The structural dynamics material emphasizes vibration, the modal representation and dynamic response. Aeroelastic phenomena discussed include divergence, aileron reversal, airload redistribution, unsteady aerodynamics, flutter and elastic tailoring. More than one hundred illustrations and tables help clarify the text and more than fifty problems enhance student learning. This text meets the need for an up-to-date treatment of structural dynamics and aeroelasticity for advanced undergraduate or beginning graduate aerospace engineering students.

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Although the overall appearance of modern airliners has notchanged a lot since the introduction of jetliners in the 1950s,their safety, efficiency and environmental friendliness haveimproved considerably. Main contributors to this have been gasturbine engine technology, advanced materials, computationalaerodynamics, advanced structural analysis and on-board systems.Since aircraft design became a highly multidisciplinary activity,the development of multidisciplinary optimization (MDO) has becomea popular new discipline. Despite this, the application of MDOduring the conceptual design phase is not yet widespread. Advanced Aircraft Design: Conceptual Design, Analysis andOptimization of Subsonic Civil Airplanes presents aquasi-analytical optimization approach based on a concise set ofsizing equations. Objectives are aerodynamic efficiency, missionfuel, empty weight and maximum takeoff weight. Independent designvariables studied include design cruise altitude, wing area andspan and thrust or power loading. Principal features ofintegrated concepts such as the blended wing and body and highlynon-planar wings are also covered. The quasi-analytical approach enables designers to compare theresults of high-fidelity MDO optimization with lower-fidelitymethods which need far less computational effort. Another advantageto this approach is that it can provide answers to “whatif” questions rapidly and with little computational cost. Key features: Presents a new fundamental vision on conceptual airplane designoptimization Provides an overview of advanced technologies for propulsionand reducing aerodynamic drag Offers insight into the derivation of design sensitivityinformation Emphasizes design based on first principles Considers pros and cons of innovative configurations Reconsiders optimum cruise performance at transonic Machnumbers Advanced Aircraft Design: Conceptual Design, Analysis andOptimization of Subsonic Civil Airplanes advances understandingof the initial optimization of civil airplanes and is a must-havereference for aerospace engineering students, applied researchers,aircraft design engineers and analysts.
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Editor: Cambridge University Press
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Written by an internationally recognized teacher and researcher, this book provides a thorough, modern treatment of the aerodynamic principles of helicopters and other rotating-wing vertical lift aircraft such as tilt rotors and autogiros. The text begins with a unique technical history of helicopter flight, and then covers basic methods of rotor aerodynamic analysis, and related issues associated with the performance of the helicopter and its aerodynamic design. It goes on to cover more advanced topics in helicopter aerodynamics, including airfoil flows, unsteady aerodynamics, dynamic stall, and rotor wakes, and rotor-airframe aerodynamic interactions, with final chapters on autogiros and advanced methods of helicopter aerodynamic analysis. Extensively illustrated throughout, each chapter includes a set of homework problems. Advanced undergraduate and graduate students, practising engineers, and researchers will welcome this thoroughly revised and updated text on rotating-wing aerodynamics.

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Introduction to Aircraft Aeroelasticity and Loads, SecondEdition is an updated new edition offering comprehensivecoverage of the main principles of aircraft aeroelasticity andloads. For ease of reference, the book is divided into three partsand begins by reviewing the underlying disciplines of vibrations,aerodynamics, loads and control, and then goes on to describesimplified models to illustrate aeroelastic behaviour and aircraftresponse and loads for the flexible aircraft before introducingsome more advanced methodologies. Finally, it explains howindustrial certification requirements for aeroelasticity and loadsmay be met and relates these to the earlier theoretical approachesused. Key features of this new edition include: Uses a unified simple aeroelastic model throughout thebook Major revisions to chapters on aeroelasticity Updates and reorganisation of chapters involving FiniteElements Some reorganisation of loads material Updates on certification requirements Accompanied by a website containing a solutions manual, andMATLAB® and SIMULINK® programs that relate to the modelsused For instructors who recommend this textbook, a series oflecture slides are also available Introduction to Aircraft Aeroelasticity and Loads, SecondEdition is a must-have reference for researchers andpractitioners working in the aeroelasticity and loads fields, andis also an excellent textbook for senior undergraduate and graduatestudents in aerospace engineering.
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Textbook introducing the fundamentals of aircraft performance using industry standards and examples: bridging the gap between academia and industry Provides an extensive and detailed treatment of all segments of mission profile and overall aircraft performance Considers operating costs, safety, environmental and related systems issues Includes worked examples relating to current aircraft (Learjet 45, Tucano Turboprop Trainer, Advanced Jet Trainer and Airbus A320 types of aircraft) Suitable as a textbook for aircraft performance courses

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Author: Russell M. Cummings
Editor: Cambridge University Press
ISBN: 1107053749
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This computational aerodynamics (CA) textbook is written at the undergraduate level, based on years of teaching focused on developing the engineering skills required to become an intelligent user of aerodynamic codes, unlike most available books which focus on learning how to write codes. This is done by taking advantage of CA codes that are now freely available and doing projects to learn the basic numerical and aerodynamic concepts require. The authors believe that new and vibrant ways to interact with CA are important in order to improve understanding of aerodynamics. This book includes a number of unique features to make studying Computational Aerodynamics more enjoyable. These include: • The computer programs used in the book's projects are all open source and accessible to students and practicing engineers alike on the book web site, www.cambridge.org/cummings • CA Concept Boxes appear throughout the book to make material more relevant and to provide interesting asides from the material at hand • Flow Visualization Boxes are used throughout the book to give readers the opportunity to 'see' fluid dynamic flows first hand • Profiles of both experienced and beginning practitioners of CA are included throughout to give a more personal dimension to the practice of numerical simulations of aerodynamics • Best Practices summaries are included at the end of most chapters to provide real world guidelines for how CA is typically used • The website includes access to images, movies, programs, CA codes, additional material, and links to a variety of resources vital to the discussions contained within the book (www.cambridge.org/cummings)

Rotorcraft Aeromechanics

Author: Wayne Johnson
Editor: Cambridge University Press
ISBN: 1107028078
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This comprehensive book presents, in depth, what engineers need to know about modeling rotorcraft aeromechanics. The focus is on analysis, and calculated results are presented to illustrate analysis characteristics and rotor behavior. The book begins with an introduction to rotorcraft aerodynamics, blade motion, and performance and then covers advanced topics in rotary wing aerodynamics and dynamics.
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