Assessment Of Wingtip Modifications To Increase The Fuel Efficiency Of Air Force Aircraft
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| Author | : National Research Council |
| Publisher | : National Academies Press |
| Total Pages | : 77 |
| Release | : 2007-09-06 |
| Genre | : Technology & Engineering |
| ISBN | : 0309104971 |
The high cost of aviation fuel has resulted in increased attention by Congress and the Air Force on improving military aircraft fuel efficiency. One action considered is modification of the aircraft's wingtip by installing, for example, winglets to reduce drag. While common on commercial aircraft, such modifications have been less so on military aircraft. In an attempt to encourage greater Air Force use in this area, Congress, in H. Rept. 109-452, directed the Air Force to provide a report examining the feasibility of modifying its aircraft with winglets. To assist in this effort, the Air Force asked the NRC to evaluate its aircraft inventory and identify those aircraft that may be good candidates for winglet modifications. This reportâ€"which considers other wingtip modifications in addition to wingletsâ€"presents a review of wingtip modifications; an examination of previous analyses and experience with such modifications; and an assessment of wingtip modifications for various Air Force aircraft and potential investment strategies.
| Author | : |
| Publisher | : |
| Total Pages | : |
| Release | : 2007 |
| Genre | : Electronic book |
| ISBN | : |
| Author | : National Research Council |
| Publisher | : National Academies Press |
| Total Pages | : 112 |
| Release | : 2007-08-06 |
| Genre | : Technology & Engineering |
| ISBN | : 0309179599 |
The high cost of aviation fuel has resulted in increased attention by Congress and the Air Force on improving military aircraft fuel efficiency. One action considered is modification of the aircraft's wingtip by installing, for example, winglets to reduce drag. While common on commercial aircraft, such modifications have been less so on military aircraft. In an attempt to encourage greater Air Force use in this area, Congress, in H. Rept. 109-452, directed the Air Force to provide a report examining the feasibility of modifying its aircraft with winglets. To assist in this effort, the Air Force asked the NRC to evaluate its aircraft inventory and identify those aircraft that may be good candidates for winglet modifications. This reportâ€"which considers other wingtip modifications in addition to wingletsâ€"presents a review of wingtip modifications; an examination of previous analyses and experience with such modifications; and an assessment of wingtip modifications for various Air Force aircraft and potential investment strategies.
| Author | : U. Chandrasekhar |
| Publisher | : Springer |
| Total Pages | : 553 |
| Release | : 2018-12-20 |
| Genre | : Technology & Engineering |
| ISBN | : 9811327181 |
This book gathers the best articles presented by researchers and industrial experts at the International Conference on “Innovative Design and Development Practices in Aerospace and Automotive Engineering (I-DAD 2018)”. The papers discuss new design concepts, analysis and manufacturing technologies, with an emphasis on achieving improved performance by downsizing; improving the weight-to-strength ratio, fuel efficiency, and operational capability at room and elevated temperatures; reducing wear and tear; and addressing NVH aspects, while balancing the challenges of Euro IV/Barat Stage IV emission norms and beyond, greenhouse effects, and recyclable materials. The innovative methods discussed here offer valuable reference material for educational and research organizations, as well as industry, encouraging them to pursue challenging projects of mutual interest.
| Author | : Pasquale M. Sforza |
| Publisher | : Elsevier |
| Total Pages | : 623 |
| Release | : 2014-01-31 |
| Genre | : Technology & Engineering |
| ISBN | : 0124199771 |
Commercial Airplane Design Principles is a succinct, focused text covering all the information required at the preliminary stage of aircraft design: initial sizing and weight estimation, fuselage design, engine selection, aerodynamic analysis, stability and control, drag estimation, performance analysis, and economic analysis. The text places emphasis on making informed choices from an array of competing options, and developing the confidence to do so. Shows the use of standard, empirical, and classical methods in support of the design process Explains the preparation of a professional quality design report Provides a sample outline of a design report Can be used in conjunction with Sforza, Manned Spacecraft Design Principles to form a complete course in Aircraft/Spacecraft Design
| Author | : Ramesh K. Agarwal |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 222 |
| Release | : 2020-07-15 |
| Genre | : Technology & Engineering |
| ISBN | : 1839623578 |
Environmental Impact of Aviation and Sustainable Solutions is a compilation of review and research articles in the broad field of aviation and the environment. Over three sections and thirteen chapters, this book covers topics such as aircraft design and materials, combustor modeling, atomization, airport pollution, sonic boom and street noise pollution, emission mitigation strategies, and environmentally friendly contributions from a Russian aviation pioneer. This volume is a useful reference for both researchers and students interested in learning about various aspects of aviation and the environment
| Author | : Christopher A. Mouton |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2015 |
| Genre | : History |
| ISBN | : 9780833087652 |
Reducing aviation fuel use is an ongoing goal for military and civil operators, and Air Mobility Command is feeling increasing pressure to further reduce fuel use by implementing and following known best practices. Although the Air Force had achieved a 12 percent reduction in fuel consumption by March 2012, it must continue to pursue cost-effective options to reduce fuel use even further.
| Author | : Dana Ferguson |
| Publisher | : Book Review Index Cumulation |
| Total Pages | : 1304 |
| Release | : 2009-08 |
| Genre | : Language Arts & Disciplines |
| ISBN | : 9781414419121 |
Book Review Index provides quick access to reviews of books, periodicals, books on tape and electronic media representing a wide range of popular, academic and professional interests. The up-to-date coverage, wide scope and inclusion of citations for both newly published and older materials make Book Review Index an exceptionally useful reference tool. More than 600 publications are indexed, including journals and national general interest publications and newspapers. Book Review Index is available in a three-issue subscription covering the current year or as an annual cumulation covering the past year.
| Author | : Charlie J Coleman (Jr) |
| Publisher | : |
| Total Pages | : 121 |
| Release | : 1978 |
| Genre | : |
| ISBN | : |
This study uses data from the Air Force Maintenance Requirements Data System (G098) to develop an assessment technique which uses parametric and nonparametric statistical mean difference tests to evaluate the effectiveness of Class IV modifications. Fourteen selected modifications were evaluated to demonstrate how the G098 data were compiled and analyzed by this technique. Included in this evaluation were data on maintenance actions, manhours, NORM, NORS, and failures before and after the modification. These data sets were adjusted for variations in flying hours and sorties. The data were then analyzed to determine if there were any significant improvements as a result of the Class IV modification. A modification was determined to be effective if these improvements were part of the original stated purpose of the modification as indicated on the AFLC Form 48. The results of the study indicated that a systematic assessment technique which uses existing data could be developed. (Author).
| Author | : Thomas R. Yechout |
| Publisher | : AIAA |
| Total Pages | : 666 |
| Release | : 2003 |
| Genre | : Aerodynamics |
| ISBN | : 9781600860782 |
Based on a 15-year successful approach to teaching aircraft flight mechanics at the US Air Force Academy, this text explains the concepts and derivations of equations for aircraft flight mechanics. It covers aircraft performance, static stability, aircraft dynamics stability and feedback control.
