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Electric Flight Technology

Electric Flight Technology Book
Author : Ravi Rajamani
Publisher : SAE International
Release : 2018-05-30
ISBN : 0768084709
Language : En, Es, Fr & De

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Book Description :

The environmental impact of hydrocarbon-burning aircraft is one of the main motivations for the move to electric propulsion in aerospace. Also, cars, buses, and trucks are incorporating electric or hybrid-electric propulsion systems, reducing the pressure on hydrocarbons and lowering the costs of electrical components. The economies of scale necessitated by the automotive industry will help contain costs in the aviation sector as well. The use of electric propulsion in airplanes is not a new phenomenon. However, it is only recently that it has taken off in a concrete manner with a viable commercial future. The Electric Flight Technology: Unfolding of a New Future reviews the history of this field, discusses the key underlying technologies, and describes how the future for these technologies will likely unfold, distinguishing between all-electric (AE) and hybrid-electric (HE) architectures. Written by Dr. Ravi Rajamani, it covers the essential information needed to understand this new technology wave taking hold in the aerospace industry. The Electric Flight Technology: Unfolding of a New Future covers fundamental topics such as: The history of electric propulsion, including its evolution from using traditional electricity, to solar power to batteries as sources to sustain propulsion and flight. The various architectures being considered for electric aircraft, specifically small general aviation (GA) aircraft and larger business jets; single-aisle commercial aircraft; and larger twin-aisle commercial aircraft. The various systems and subsystems of an electric aircraft, along with how various subsystems in the vehicle can be integrated in a more optimal manner. In the future, the existing tube-and-wing configuration will not be the only available architecture; instead we will be more likely to find an architecture where the propulsion system is embedded within the airframe. The future trends in this arena and what we can expect to see in the next decade or so.

Fundamentals of Electric Aircraft

Fundamentals of Electric Aircraft Book
Author : Pascal Thalin
Publisher : SAE International
Release : 2018-12-18
ISBN : 0768093244
Language : En, Es, Fr & De

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Book Description :

Fundamentals of Electric Aircraft was developed to explain what the electric aircraft stands for by offering an objective view of what can be expected from the giant strides in innovative architectures and technologies enabling aircraft electrification.Through tangible case studies, a deep insight is provided into this paradigm shift cutting across various aircraft segments from General Aviation to Large Aircraft.Addressing design constraints and timelines foreseen to reach acceptable performance and maturity levels, Fundamentals of Electric Aircraft puts forward a general view of the progress made to date and what to expect in the years to come.Drawing from the expertise of four industry veterans, Pascal Thalin (editor/contributor), Ravi Rajamani, Jean-Charles Mare, and Sven Taubert (contributors), it addresses futuristic approaches but does not depart too far from the operational down-to-earth realities of everyday business.Fundamentals of Electric Aircraft also offers analyses on how performance enhancements and fuel burn savings may bring more value for money as long as new electric technologies deliver on their promises.

Electric Airplanes and Drones

Electric Airplanes and Drones Book
Author : Kevin Desmond
Publisher : McFarland
Release : 2018-09-14
ISBN : 147663341X
Language : En, Es, Fr & De

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Book Description :

 Attempts at electric powered flight date to well before the 19th century. Battery weight and low energy output made it impractical until the 1990s, when the advent of lightweight materials, more efficient solar power, improved engines and the Li-Po (lithium polymer) battery opened the skies to a wide variety of electric aircraft. The author describes the diverse designs of modern electric flying machines—from tiny insect-styled drones to stratospheric airships—and explores developing trends, including flying cars and passenger airliners.

Electro Mechanical Actuators for the More Electric Aircraft

Electro Mechanical Actuators for the More Electric Aircraft Book
Author : Mirko Mazzoleni,Gianpietro Di Rito,Fabio Previdi
Publisher : Springer Nature
Release : 2021-01-19
ISBN : 3030617998
Language : En, Es, Fr & De

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Book Description :

This book presents recent results on fault diagnosis and condition monitoring of airborne electromechanical actuators, illustrating both algorithmic and hardware design solutions to enhance the reliability of onboard more electric aircraft. The book begins with an introduction to the current trends in the development of electrically powered actuation systems for aerospace applications. Practical examples are proposed to help present approaches to reliability, availability, maintainability and safety analysis of airborne equipment. The terminology and main strategies for fault diagnosis and condition monitoring are then reviewed. The core of the book focuses on the presentation of relevant case studies of fault diagnosis and monitoring design for airborne electromechanical actuators, using different techniques. The last part of the book is devoted to a summary of lessons learned and practical suggestions for the design of fault diagnosis solutions of complex airborne systems. The book is written with the idea of providing practical guidelines on the development of fault diagnosis and monitoring algorithms for airborne electromechanical actuators. It will be of interest to practitioners in aerospace, mechanical, electronic, reliability and systems engineering, as well as researchers and postgraduates interested in dynamical systems, automatic control and safety-critical systems. Advances in Industrial Control reports and encourages the transfer of technology in control engineering. The rapid development of control technology has an impact on all areas of the control discipline. The series offers an opportunity for researchers to present an extended exposition of new work in all aspects of industrial control.

Electrical Machines and Systems for the More Electric Aircraft

Electrical Machines and Systems for the More Electric Aircraft Book
Author : IEE. Power Division. Professional Group P1 (Electrical machines and drives),Great Britain. Engineering Industries Directorate
Publisher : Unknown
Release : 1999
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Electrical Machines and Systems for the More Electric Aircraft book written by IEE. Power Division. Professional Group P1 (Electrical machines and drives),Great Britain. Engineering Industries Directorate, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

SUSTAINABLE AVIATION

SUSTAINABLE AVIATION Book
Author : Judith L. Walls,Andreas Wittmer
Publisher : Springer Nature
Release : 2022
ISBN : 303090895X
Language : En, Es, Fr & De

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Book Description :

This book analyses from a management perspective how the aviation industry can achieve a sustainability transformation in order to reach the Paris climate targets for 2050 and provides various strategic and operational recommendations in this regard. It examines various elements of the aviation system exhaustively, including technologies, consumers, airlines, airports and policies, from both short- and long-term standpoints. Specific questions and contradictions, as well as concrete options for taking action, are presented. It also includes numerous practical case studies, which will help practitioners transfer the concepts into their everyday work. The book is aimed at a broad, professional audience consisting of managers, politicians and regulators, but also at advanced students engaged in academic and professional education.

Proceedings of the 5th China Aeronautical Science and Technology Conference

Proceedings of the 5th China Aeronautical Science and Technology Conference Book
Author : Chinese Aeronautical Society
Publisher : Springer Nature
Release : 2021-11-02
ISBN : 981167423X
Language : En, Es, Fr & De

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Book Description :

To sort out the progress of aviation science and technology and industry, look forward to the future development trend, commend scientific and technological innovation achievements and talents, strengthen international cooperation, promote discipline exchanges, encourage scientific and technological innovation, and promote the development of aviation, the Chinese Aeronautical Society holds a China Aviation Science and Technology Conference every two years, which has been successfully held for four times and has become the highest level, largest scale, most influential and authoritative science and technology conference in the field of aviation in China. The 5th China Aviation Science and Technology Conference will be held in Wuzhen, Jiaxing City, Zhejiang Province in 2021, with the theme of "New Generation of Aviation Equipment and Technology", with academician Zhang Yanzhong as the chairman of the conference. This book contains original, peer-reviewed research papers from the conference. The topics covered include but are not limited to navigation, guidance and control technologies, key technologies for aircraft design and overall optimization, aviation test technologies, aviation airborne systems, electromechanical technologies, structural design, aerodynamics and flight mechanics, other related technologies, advanced aviation materials and manufacturing technologies, advanced aviation propulsion technologies, and civil aviation transportation. The papers presented here share the latest discoveries on aviation science and technology, making the book a valuable asset for researchers, engineers, and students.

Electrical Discharge in the More Electric Aircraft Power System

Electrical Discharge in the More Electric Aircraft Power System Book
Author : Andrew Nelms,University of Manchester. School of electrical and electronic engineering
Publisher : Unknown
Release : 2007
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Electrical Discharge in the More Electric Aircraft Power System book written by Andrew Nelms,University of Manchester. School of electrical and electronic engineering, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Electric Drives and Electromechanical Systems

Electric Drives and Electromechanical Systems Book
Author : Richard Crowder
Publisher : Elsevier
Release : 2006-02-02
ISBN : 9780080492643
Language : En, Es, Fr & De

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Book Description :

The focus of this book on the selection and application of electrical drives and control systems for electromechanical and mechatronics applications makes it uniquely useful for engineers in industry working with machines and drives. It also serves as a student text for courses on motors and drives, and engineering design courses, especially within mechanical engineering and mechatronics degree programs. The criteria for motor-drive selection are explained, and the main types of drives available to drive machine tools and robots introduced. The author also provides a review of control systems and their application, including PLCs and network technologies. The coverage of machine tools and high-performance drives in smaller applications makes this a highly practical book focused on the needs of students and engineers working with electromechanical systems. * An invaluable survey of electric drives and control systems for electromechanical and mechatronics applications * Essential reading for electrical and mechanical engineers using motors and drives * An ideal electric motors and drives text for university courses including mechatronics

Electric Aircraft Dynamics

Electric Aircraft Dynamics Book
Author : Ranjan Vepa
Publisher : CRC Press
Release : 2020-07-29
ISBN : 0429514360
Language : En, Es, Fr & De

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Book Description :

Electric Aircraft Dynamics: A Systems Engineering Approach surveys engineering sciences that underpin the dynamics, control, monitoring, and design of electric propulsion systems for aircraft. It is structured to appeal to readers with a science and engineering background and is modular in format. The closely linked chapters present descriptive material and relevant mathematical modeling techniques. Taken as a whole, this groundbreaking text equips professional and student readers with a solid foundation for advanced work in this emerging field. Key Features: Provides the first systems-based overview of this emerging aerospace technology Surveys low-weight battery technologies and their use in electric aircraft propulsion Explores the design and use of plasma actuation for boundary layer and flow control Considers the integrated design of electric motor-driven propellers Includes PowerPoint slides for instructors using the text for classes Dr. Ranjan Vepa earned his PhD in applied mechanics from Stanford University, California. He currently serves as a lecturer in the School of Engineering and Material Science, Queen Mary University of London, where he has also been the programme director of the Avionics Programme since 2001. Dr. Vepa is a member of the Royal Aeronautical Society, London; the Institution of Electrical and Electronic Engineers (IEEE), New York; a Fellow of the Higher Education Academy; a member of the Royal Institute of Navigation, London; and a chartered engineer.

Commercial Aircraft Propulsion and Energy Systems Research

Commercial Aircraft Propulsion and Energy Systems Research Book
Author : National Academies of Sciences, Engineering, and Medicine,Division on Engineering and Physical Sciences,Aeronautics and Space Engineering Board,Committee on Propulsion and Energy Systems to Reduce Commercial Aviation Carbon Emissions
Publisher : National Academies Press
Release : 2016-08-09
ISBN : 0309440998
Language : En, Es, Fr & De

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Book Description :

The primary human activities that release carbon dioxide (CO2) into the atmosphere are the combustion of fossil fuels (coal, natural gas, and oil) to generate electricity, the provision of energy for transportation, and as a consequence of some industrial processes. Although aviation CO2 emissions only make up approximately 2.0 to 2.5 percent of total global annual CO2 emissions, research to reduce CO2 emissions is urgent because (1) such reductions may be legislated even as commercial air travel grows, (2) because it takes new technology a long time to propagate into and through the aviation fleet, and (3) because of the ongoing impact of global CO2 emissions. Commercial Aircraft Propulsion and Energy Systems Research develops a national research agenda for reducing CO2 emissions from commercial aviation. This report focuses on propulsion and energy technologies for reducing carbon emissions from large, commercial aircraftâ€" single-aisle and twin-aisle aircraft that carry 100 or more passengersâ€"because such aircraft account for more than 90 percent of global emissions from commercial aircraft. Moreover, while smaller aircraft also emit CO2, they make only a minor contribution to global emissions, and many technologies that reduce CO2 emissions for large aircraft also apply to smaller aircraft. As commercial aviation continues to grow in terms of revenue-passenger miles and cargo ton miles, CO2 emissions are expected to increase. To reduce the contribution of aviation to climate change, it is essential to improve the effectiveness of ongoing efforts to reduce emissions and initiate research into new approaches.

Recent Advances in Aircraft Technology

Recent Advances in Aircraft Technology Book
Author : Ramesh K. Agarwal
Publisher : BoD – Books on Demand
Release : 2012-02-24
ISBN : 9535101501
Language : En, Es, Fr & De

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Book Description :

The book describes the state of the art and latest advancements in technologies for various areas of aircraft systems. In particular it covers wide variety of topics in aircraft structures and advanced materials, control systems, electrical systems, inspection and maintenance, avionics and radar and some miscellaneous topics such as green aviation. The authors are leading experts in their fields. Both the researchers and the students should find the material useful in their work.

Vacuum Circuit Breaker for Aviation Variable Frequency Power System

Vacuum Circuit Breaker for Aviation Variable Frequency Power System Book
Author : Yuan Jiang,Qing Li
Publisher : Springer Nature
Release : 2021-01-04
ISBN : 9813347813
Language : En, Es, Fr & De

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Book Description :

This book introduces the concepts of more electric aircraft and aviation electrical appliances, as well as the aviation experimental platform of vacuum switches, the interruption characteristics, frequency characteristics and post-arc breakdown characteristics of intermediate frequency vacuum switches, etc. It is the first monograph on protection electrical appliances, vacuum interrupter in aviation variable frequency power system. This book includes a lot of experimental process and chart analysis for readers to understand and provides references for practical engineering problems. This book could be used as references for engineers and technicians working on electric power systems in aircrafts.

ITF Transport Outlook 2021

ITF Transport Outlook 2021 Book
Author : International Transport Forum
Publisher : OECD Publishing
Release : 2021-05-17
ISBN : 9282114082
Language : En, Es, Fr & De

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Book Description :

The ITF Transport Outlook 2021 provides scenarios for the development of transport demand up to 2050. This edition includes a special focus on the impacts of the Covid-19 pandemic on transport systems, and models potential long-term changes with challenges and opportunities for decarbonisation.

Use of Electric Batteries for Civil Aircraft Applications

Use of Electric Batteries for Civil Aircraft Applications Book
Author : Michael Waller
Publisher : SAE International
Release : 2018-12-30
ISBN : 0768095344
Language : En, Es, Fr & De

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Book Description :

The Use of Electric Batteries for Civil Aircraft Applications is a comprehensive and focused collection of SAE International technical papers, covering both the past and the present of the efforts to develop batteries that can be specifically installed in commercial aircraft.Recently, major commercial aircraft manufacturers started investigating the possibility of using Li-Ion batteries at roughly the same time that the military launched their first applications.As industry events unfolded, the FAA and committees from RTCA and SAE continued efforts to create meaningful standards for the design, testing, and certification of Li-Ion battery systems for commercial aviation. The first document issued was RTCA DO-311 on Mar. 13, 2008.As the industry continues to develop concepts and designs for the safe utilization of the new Li-Ion battery systems, many are already working on designs for all-electric aircraft, and small two-seat training aircraft are currently flying.The challenges for an all-electric, transport category aircraft will be significant, and the battery design ranks as one of the greatest. The more energy that is packaged into a small area to provide for the propulsion requirements, the more stringent are the design parameters and mitigation methodologies needed to make the system safe. The success or failure of this endeavor lies squarely on the shoulders of the engineers and scientists developing these new systems, and places additional pressure on the regulatory agencies to acquire the relevant knowledge for the creation of minimum operational performance standards for them.Edited by Michael Waller, an industry veteran, The Use of Electric Batteries for Civil Aircraft Applications, is a must-read for those interested in the new power generation making its way into commercial aircraft.

Performance Investigations and Systems Architectures for the More Electric Aircraft

Performance Investigations and Systems Architectures for the More Electric Aircraft Book
Author : Anonim
Publisher : Unknown
Release : 2004
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Implementation of all or more electric technologies has the potential of improving the performance of a given aircraft. Savings can manifest through improved engine performance, reduced equipment weight and improved secondary power and systems utilization. Despite the potential benefits and the amount of research invested the concept has not been implemented yet and its impact on the overall performance of the aircraft remains unclear. Adoption of a single form of secondary power and implementation of more or all electric technologies is claimed to offer a number of distinct advantages over the conventional secondary power systems. These claims include the following: 1. Improved engine performance through the optimization of off-takes and elimination of bleed air. These issues is said to become critical as the bypass ratio of the engine increases and the size of the core reduces. However, despite concerns over the capability of high bypass ratio to provide secondary power requirements of future aircraft the claims remain unproven and it is generally believed that off-take penalties are not dependent on the configuration of the engine and can be kept to a minimum if the engine is designed to provide them. 2. Improved system utilization and implementation of more efficient power units. Conventional secondary power systems developed during the years that fuel was relatively fuel was relatively inexpensive and have not been optimized for maximum efficiency. Bleeding air from the engine is largely inefficient and a large amount of power is wasted for no useful purpose. In addition, hydraulics are often sized for loads that are small in duration thus increasing the mass and power requirements of the system. Elimination of conventional hydraulic and bleed air systems could lead to a significant mass reduction. However, the mass and size of the electrical equipment would also increase and these changes must be accounted for. 4. Additional benefits include reduced single typ.

Analysis and Design of Power Converter Topologies for Application in Future More Electric Aircraft

Analysis and Design of Power Converter Topologies for Application in Future More Electric Aircraft Book
Author : Amit Kumar Singh
Publisher : Springer
Release : 2018-04-20
ISBN : 9811082138
Language : En, Es, Fr & De

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Book Description :

This thesis proposes new power converter topologies suitable for aircraft systems. It also proposes both AC-DC and DC-DC types of converters for different electrical loads to improve the performance these systems. To increase fuel efficiency and reduce environmental impacts, less efficient non-electrical aircraft systems are being replaced by electrical systems. However, more electrical systems requires more electrical power to be generated in the aircraft. The increased consumption of electrical power in both civil and military aircrafts has necessitated the use of more efficient electrical power conversion technologies. This book presents acomprehensive mathematical analysis and the design and digital simulation of the power converters. Subsequently it discusses the construction of the hardware prototypes of each converter and the experimental tests carried out to verify the benefits of the proposed solutions in comparison to the existing solutions.

Advances in Electric Propulsion

Advances in Electric Propulsion Book
Author : Jean L Broge
Publisher : SAE International
Release : 2017-05-30
ISBN : 0768084180
Language : En, Es, Fr & De

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Book Description :

Aviation propulsion development continues to rely upon fossil fuels for the vast majority of commercial and military applications. Until these fuels are depleted or abandoned, burning them will continue to jeopardize air quality and provoke increased regulation. With those challenges in mind, research and development of more efficient and electric propulsion systems will expand. Fuel-cell technology is but one example that addresses such emission and resource challenges, and others, including negligible acoustic emissions and the potential to leverage current infrastructure models. For now, these technologies are consigned to smaller aircraft applications, but are expected to mature toward use in larger aircraft. Additionally, measures such as electric/conventional hybrid configurations will ultimately increase efficiencies and knowledge of electric systems while minimizing industrial costs. Requirements for greater flight time, stealth characteristics, and thrust-to-power ratios adds urgency to the development of efficient propulsion methods for applications such as UAVs, which looks to technologies such as asymmetrical capacitors to enhance electric propulsion efficiency. This book will take the reader through various technologies that will enable a more-electric aircraft future, as well as design methods and certification requirements of more-electric engines.