January 27, 2021

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Aircraft Sustainment and Repair

Aircraft Sustainment and Repair
Author : Rhys Jones,A.A. Baker,Neil Matthews,V K Champagne
Publisher : Butterworth-Heinemann
Release Date : 2017-12-15
Category : Technology & Engineering
Total pages :970
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Aircraft Sustainment and Repair is a one-stop-shop for practitioners and researchers in the field of aircraft sustainment, adhesively bonded aircraft joints, bonded composites repairs, and the application of cold spray to military and civil aircraft. Outlining the state-of-the-art in aircraft sustainment, this book covers the use of quantitative fractography to determine the in-service crack length versus flight hours curve, the effect of intergranular cracking on structural integrity and the structural significance of corrosion. The book additionally illustrates the potential of composite repairs and SPD applications to metallic airframes. Covers corrosion damage assessment and management in aircraft structures Includes a key chapter on U.S. developments in the emerging field of supersonic particle deposition (SPD) Shows how to design and assess the potential benefits of both bonded composite repairs and SPD repairs to metallic aircraft structures to meet the damage tolerance requirements inherent in FAA ac 20-107b and the U.S. Joint Services

Examination of the U.S. Air Force's Aircraft Sustainment Needs in the Future and Its Strategy to Meet Those Needs

Examination of the U.S. Air Force's Aircraft Sustainment Needs in the Future and Its Strategy to Meet Those Needs
Author : National Research Council,Division on Engineering and Physical Sciences,Air Force Studies Board,Committee on Examination of the U.S. Air Force's Aircraft Sustainment Needs in the Future and Its Strategy to Meet Those Needs
Publisher : National Academies Press
Release Date : 2011-11-17
Category : Technology & Engineering
Total pages :254
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The ability of the United States Air Force (USAF) to keep its aircraft operating at an acceptable operational tempo, in wartime and in peacetime, has been important to the Air Force since its inception. This is a much larger issue for the Air Force today, having effectively been at war for 20 years, with its aircraft becoming increasingly more expensive to operate and maintain and with military budgets certain to further decrease. The enormously complex Air Force weapon system sustainment enterprise is currently constrained on many sides by laws, policies, regulations and procedures, relationships, and organizational issues emanating from Congress, the Department of Defense (DoD), and the Air Force itself. Against the back-drop of these stark realities, the Air Force requested the National Research Council (NRC) of the National Academies, under the auspices of the Air Force Studies Board to conduct and in-depth assessment of current and future Air Force weapon system sustainment initiatives and recommended future courses of action for consideration by the Air Force. Examination of the U.S. Air Force's Aircraft Sustainment Needs in the Future and Its Strategy to Meet Those Needs addresses the following topics: Assess current sustainment investments, infrastructure, and processes for adequacy in sustaining aging legacy systems and their support equipment. Determine if any modifications in policy are required and, if so, identify them and make recommendations for changes in Air Force regulations, policies, and strategies to accomplish the sustainment goals of the Air Force. Determine if any modifications in technology efforts are required and, if so, identify them and make recommendations regarding the technology efforts that should be pursued because they could make positive impacts on the sustainment of the current and future systems and equipment of the Air Force. Determine if the Air Logistics Centers have the necessary resources (funding, manpower, skill sets, and technologies) and are equipped and organized to sustain legacy systems and equipment and the Air Force of tomorrow. Identify and make recommendations regarding incorporating sustainability into future aircraft designs.

Civil and Military Airworthiness

Civil and Military Airworthiness
Author : Kyriakos I. Kourousis
Publisher : MDPI
Release Date : 2020-05-27
Category : Technology & Engineering
Total pages :272
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Airworthiness, as a field, encompasses the technical and non-technical activities required to design, certify, produce, maintain, and safely operate an aircraft throughout its lifespan. The evolving technology, science, and engineering methods and, most importantly, aviation regulation, offer new opportunities and create, new challenges for the aviation industry. This book assembles review and research articles across a variety of topics in the field of airworthiness: aircraft maintenance, safety management, human factors, cost analysis, structures, risk assessment, unmanned aerial vehicles and regulations. This selection of papers informs the industry practitioners and researchers on important issues.

Force Multiplying Technologies for Logistics Support to Military Operations

Force Multiplying Technologies for Logistics Support to Military Operations
Author : National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee on Force Multiplying Technologies for Logistics Support to Military Operations
Publisher : National Academies Press
Release Date : 2014-12-15
Category : Technology & Engineering
Total pages :230
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The mission of the United States Army is to fight and win our nation's wars by providing prompt, sustained land dominance across the full range of military operations and spectrum of conflict in support of combatant commanders. Accomplishing this mission rests on the ability of the Army to equip and move its forces to the battle and sustain them while they are engaged. Logistics provides the backbone for Army combat operations. Without fuel, ammunition, rations, and other supplies, the Army would grind to a halt. The U.S. military must be prepared to fight anywhere on the globe and, in an era of coalition warfare, to logistically support its allies. While aircraft can move large amounts of supplies, the vast majority must be carried on ocean going vessels and unloaded at ports that may be at a great distance from the battlefield. As the wars in Afghanistan and Iraq have shown, the costs of convoying vast quantities of supplies is tallied not only in economic terms but also in terms of lives lost in the movement of the materiel. As the ability of potential enemies to interdict movement to the battlefield and interdict movements in the battlespace increases, the challenge of logistics grows even larger. No matter how the nature of battle develops, logistics will remain a key factor. Force Multiplying Technologies for Logistics Support to Military Operations explores Army logistics in a global, complex environment that includes the increasing use of antiaccess and area-denial tactics and technologies by potential adversaries. This report describes new technologies and systems that would reduce the demand for logistics and meet the demand at the point of need, make maintenance more efficient, improve inter- and intratheater mobility, and improve near-real-time, in-transit visibility. Force Multiplying Technologies also explores options for the Army to operate with the other services and improve its support of Special Operations Forces. This report provides a logistics-centric research and development investment strategy and illustrative examples of how improved logistics could look in the future.

Zero-Sustainment Aircraft for the U.S. Air Force

Zero-Sustainment Aircraft for the U.S. Air Force
Author : National Research Council,Division on Engineering and Physical Sciences,Air Force Studies Board,Committee on Zero-Sustainment Aircraft for the U.S. Air Force: A Workshop
Publisher : National Academies Press
Release Date : 2013-04-12
Category : Technology & Engineering
Total pages :56
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Overall Air Force weapon system sustainment (WSS) costs are growing at more than 4 percent per year, while budgets have remained essentially flat. The cost growth is due partly to aging of the aircraft fleet, and partly to the cost of supporting higher-performance aircraft and new capabilities provided by more complex and sophisticated systems, such as the latest intelligence, surveillance, and reconnaissance (ISR) platforms. Furthermore, the expectation for the foreseeable future is that sustainment budgets are likely to decrease, so that the gap between budgets and sustainment needs will likely continue to grow wider. Most observers accept that the Air Force will have to adopt new approaches to WSS if it is going to address this problem and remain capable of carrying out its missions. In this context, the original intent of this 3-day workshop was to focus on ways that science and technology (S&T) could help the Air Force reduce sustainment costs. However, as the workshop evolved, the discussions focused more and more on Air Force leadership, management authority, and culture as the more critical factors that need to change in order to solve sustainment problems. Many participants felt that while S&T investments could certainly help--particularly if applied in the early stages ("to the left") of the product life cycle--adopting a transformational management approach that defines the user-driven goals of the enterprise, empowers people to achieve them, and holds them accountable, down to the shop level. Several workshop participants urged Air Force leaders to start the process now, even though it will take years to percolate down through the entire organization. These sustainment concerns are not new and have been studied extensively, including recent reports from the National Research Council's Air Force Studies Board and the Air Force Scientific Advisory Board.

Department of Defense Appropriations for 2001: Secretary of Defense and Chairman, Joint Chiefs of Staff

Department of Defense Appropriations for 2001: Secretary of Defense and Chairman, Joint Chiefs of Staff
Author : United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Defense
Publisher : Unknown
Release Date : 2004
Category : United States
Total pages :129
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A Common Operating Picture for Air Force Materiel Sustainment

A Common Operating Picture for Air Force Materiel Sustainment
Author : Raymond Pyles
Publisher : Rand Corporation
Release Date : 2008
Category : History
Total pages :112
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Describes a potential common operating system (COP) for the Air Force materiel sustainment system (MSS). The authors first develop a COP based on the principles of effects-based measures, schwerpunkt (organizational focus), decision rights, and a nonmarket economic framework, then they apply the COP to depot-level reparable component sustainment to illustrate how the COP would improve overall MSS efficiency and responsiveness.

Structures Technology for Future Aerospace Systems

Structures Technology for Future Aerospace Systems
Author : Ahmed Khairy Noor
Publisher : AIAA
Release Date : 2000
Category : Airframes
Total pages :406
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Flight Dynamics

Flight Dynamics
Author : Robert F. Stengel
Publisher : Princeton University Press
Release Date : 2015-01-27
Category : Science
Total pages :864
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Flight Dynamics takes a new approach to the science and mathematics of aircraft flight, unifying principles of aeronautics with contemporary systems analysis. While presenting traditional material that is critical to understanding aircraft motions, it does so in the context of modern computational tools and multivariable methods. Robert Stengel devotes particular attention to models and techniques that are appropriate for analysis, simulation, evaluation of flying qualities, and control system design. He establishes bridges to classical analysis and results, and explores new territory that was treated only inferentially in earlier books. This book combines a highly accessible style of presentation with contents that will appeal to graduate students and to professionals already familiar with basic flight dynamics. Dynamic analysis has changed dramatically in recent decades, with the introduction of powerful personal computers and scientific programming languages. Analysis programs have become so pervasive that it can be assumed that all students and practicing engineers working on aircraft flight dynamics have access to them. Therefore, this book presents the principles, derivations, and equations of flight dynamics with frequent reference to MATLAB functions and examples. By using common notation and not assuming a strong background in aeronautics, Flight Dynamics will engage a wide variety of readers. Introductions to aerodynamics, propulsion, structures, flying qualities, flight control, and the atmospheric and gravitational environment accompany the development of the aircraft's dynamic equations.

Propeller Aerodynamics

Propeller Aerodynamics
Author : Frank Hitchens
Publisher : Andrews UK Limited
Release Date : 2015-05-11
Category : Transportation
Total pages :203
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Classical aerodynamics is a compulsory study subject for pilots at all levels of experience. Propeller Aerodynamics is a subset of this fascinating subject. Propellers have their unique aerodynamic terminology, forces and handling requirements, knowledge of which all pilots must be aware of to safely handle the aircraft they are flying. Incorrect propeller handling can cause damage to the aircraft and reduce performance efficiency. Most aerodynamic text books only give a brief view of propeller aerodynamics; however this book Propeller Aerodynamics delves more deeply into this subject. The book covers the history and operation of aircraft propellers, prop pitch, thrust, efficiency, aircraft stability, prop forces, constant-speed units and more. This is all essential reading for the pilot progressing to more advanced high-performance aircraft.

A Survey of Aircraft Structural-life Management Programs in the U.S. Navy, the Canadian Forces, and the U.S. Air Force

A Survey of Aircraft Structural-life Management Programs in the U.S. Navy, the Canadian Forces, and the U.S. Air Force
Author : Yool Kim,Stephen Sheehy,Darryl Lenhardt
Publisher : Rand Corporation
Release Date : 2006
Category : Political Science
Total pages :87
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The aircraft in the U.S. Air Force are aging, and keeping them healthy and safe is lilkely to require attention to clear policies and regulations on sustaining the aircraft.

Challenges and Issues with the Further Aging of U.S. Air Force Aircraft

Challenges and Issues with the Further Aging of U.S. Air Force Aircraft
Author : J. R. Gebman
Publisher : Rand Corporation
Release Date : 2009
Category : Airplanes
Total pages :61
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Over the next 20 years, the further aging of already-old aircraft will introduce challenges and issues for aircraft operators. The technical challenges relate to structures, propulsion, and systems. The institutional challenges include limitations on independent verification of fleet status and future condition and on information needed for engineering analyses including risk assessment, and an overall scarcity of resources.

Aircraft System Safety

Aircraft System Safety
Author : Duane Kritzinger
Publisher : Woodhead Publishing
Release Date : 2016-09-12
Category : Business & Economics
Total pages :422
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Aircraft System Safety: Assessments for Initial Airworthiness Certification presents a practical guide for the novice safety practitioner in the more specific area of assessing aircraft system failures to show compliance to regulations such as FAR25.1302 and 1309. A case study and safety strategy beginning in chapter two shows the reader how to bring safety assessment together in a logical and efficient manner. Written to supplement (not replace) the content of the advisory material to these regulations (e.g. AMC25.1309) as well as the main supporting reference standards (e.g. SAE ARP 4761, RTCA/DO-178, RTCA/DO-154), this book strives to amalgamate all these different documents into a consolidated strategy with simple process maps to aid in their understanding and optimise their efficient use. Covers the effect of design, manufacturing, and maintenance errors and the effects of common component errors Evaluates the malfunctioning of multiple aircraft components and the interaction which various aircraft systems have on the ability of the aircraft to continue safe flight and landing Presents and defines a case study (an aircraft modification program) and a safety strategy in the second chapter, after which each of the following chapters will explore the theory of the technique required and then apply the theory to the case study

Bonded Joints and Repairs to Composite Airframe Structures

Bonded Joints and Repairs to Composite Airframe Structures
Author : Chun Hui Wang,Cong N. Duong
Publisher : Academic Press
Release Date : 2015-10-10
Category : Technology & Engineering
Total pages :306
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Bonded Joints and Repairs to Composite Airframe Structures is a single-source reference on the state-of-the-art in this rapidly growing area. It provides a thorough analysis of both internal and external joints and repairs, as well as discussions on damage tolerance, non-destructive inspection, self-healing repairs, and other essential information not only on the joints and repairs themselves, but critically, on how they differ from bonds and repairs to metallic aircraft. Authors Wang and Duong bring a valuable combination of academic research and industry expertise to the book, drawing on their cutting-edge composite technology experience, including analytic and computational leadership of damage and repair planning for the Boeing 787. Intended for graduate students, engineers, and scientists working on the subject in aerospace industry, government agencies, research labs, and academia, the book is an important addition to the limited literature in the field. Offers rare coverage of composite joints and repairs to composite structures, focusing on the state of the art in analysis Combines the academic, government, and industry expertise of the authors, providing research findings in the context of current and future applications Covers internal and external joints and repairs, as well as damage tolerance, non-destructive inspection, and self-healing repairs Ideal for graduate students, engineers, and scientists working in the aerospace industry, government agencies, research labs, and academia

Aging of U.S. Air Force Aircraft

Aging of U.S. Air Force Aircraft
Author : National Research Council,Division on Engineering and Physical Sciences,National Materials Advisory Board,Commission on Engineering and Technical Systems,Committee on Aging of U.S. Air Force Aircraft
Publisher : National Academies Press
Release Date : 1997-09-30
Category : Technology & Engineering
Total pages :124
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Many of the aircraft that form the backbone of the U.S. Air Force operational fleet are 25 years old or older. A few of these will be replaced with new aircraft, but many are expected to remain in service an additional 25 years or more. This book provides a strategy to address the technical needs and priorities associated with the Air Force's aging airframe structures. It includes a detailed summary of the structural status of the aging force, identification of key technical issues, recommendations for near-term engineering and management actions, and prioritized near-term and long-term research recommendations.