National Academies of Sciences, Engineering, and Medicine, Division on Engineering and Physical Sciences, Space Studies Board, Aeronautics and Space Engineering Board, Committee on the Research Agenda for Reducing the Climate
Contrails are visible lines in the sky behind aircraft that occur when warm jet engine exhaust meets the colder surrounding atmosphere, forming small ice crystals. Most contrails dissipate within about 10 minutes, but they can last for hours under c...Loe edasi...
National Academies of Sciences, Engineering, and Medicine, Division on Engineering and Physical Sciences, Board on Energy and Environmental Systems, Kyra Howe, Raphael Apeaning
The widespread adoption of electric vehicles will play a critical role in decarbonizing the transportation sector as the nation moves toward net-zero emissions. Recent announcements from automakers and the federal government, as well as provisions i...Loe edasi...
National Academies of Sciences, Engineering, and Medicine, Division on Engineering and Physical Sciences, Aeronautics and Space Engineering Board, Committee on Transport Airplane Risk Assessment Methodology
The Transport Airplane Risk Assessment Methodology (TARAM) is a process for calculating risk associated with continued operational safety issues in the U.S. transport airplane fleet. TARAM is important because its risk-analysis calculations are used...Loe edasi...
National Academies of Sciences, Engineering, and Medicine, Division on Engineering and Physical Sciences, Aeronautics and Space Engineering Board, Robert Pool
Among the various segments of society affected by the COVID-19 pandemic over the past year and a half, few were hit as hard as the aviation industry. At its worst point, in March 2020, passenger volumes for U.S. airlines had dropped more than 95 per...Loe edasi...
National Academies of Sciences, Engineering, and Medicine, Division on Engineering and Physical Sciences, Aeronautics and Space Engineering Board, Robert Pool
The National Academies of Sciences, Engineering, and Medicine convened a workshop on February 4th and 5th, 2021 to review the issues related to safety of passengers and employees in commercial air transportation, for domestic and international trave...Loe edasi...
National Academies of Sciences, Engineering, and Medicine, Division on Engineering and Physical Sciences, Aeronautics and Space Engineering Board, Committee on Enhancing Air MobilityA National Blueprint
Advanced aerial mobility is a newly emerging industry that aims to develop and operate new air vehicles potentially capable of safe, reliable, and low-noise vertical flight. The world has seen a recent increase in the adoption of electric vertical l...Loe edasi...
National Academies of Sciences, Engineering, and Medicine, Division on Engineering and Physical Sciences, Aeronautics and Space Engineering Board, Committee on Assessing the Risks of Unmanned Aircraft Systems (UAS) Integration
When discussing the risk of introducing drones into the National Airspace System, it is necessary to consider the increase in risk to people in manned aircraft and on the ground as well as the various ways in which this new technology may reduce ris...Loe edasi...
National Academies of Sciences, Engineering, and Medicine, Division on Engineering and Physical Sciences, Aeronautics and Space Engineering Board, Division of Behavioral and Social Sciences and Education, Board on Human-System
Prior to 2012, unmanned aircraft systems (UAS) technology had been primarily used by the military and hobbyists, but it has more recently transitioned to broader application, including commercial and scientific applications, as well as to expanded m...Loe edasi...
National Academies of Sciences, Engineering, and Medicine, Division on Engineering and Physical Sciences, Aeronautics and Space Engineering Board, Aviation Safety Assurance Committee
Decades of continuous efforts to address known hazards in the national airspace system (NAS) and to respond to issues illuminated by analysis of incidents and accidents have made commercial airlines the safest mode of transportation. The task of mai...Loe edasi...
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 E
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 indu...Loe edasi...
National Research Council, Division on Engineering and Physical Sciences, Board on Energy and Environmental Systems, Committee on the Assessment of Technologies for Improving Fuel Economy of Light-Duty Vehicles, Phase 2
The light-duty vehicle fleet is expected to undergo substantial technological changes over the next several decades. New powertrain designs, alternative fuels, advanced materials and significant changes to the vehicle body are being driven by increa...Loe edasi...
National Research Council, Division on Engineering and Physical Sciences, Aeronautics and Space Engineering Board, Committee to Review the Federal Aviation Administration Research Plan on Certification of New Technologies into t
The Federal Aviation Administration (FAA) is currently undertaking a broad program known as Next Generation Air Transportation System (NextGen) to develop, introduce, and certify new technologies into the National Airspace System. NextGen is a funda...Loe edasi...
Committee on Autonomy Research for Civil Aviation, Aeronautics and Space Engineering Board, Division on Engineering and Physical Sciences, National Research Council
The development and application of increasingly autonomous (IA) systems for civil aviation is proceeding at an accelerating pace, driven by the expectation that such systems will return significant benefits in terms of safety, reliability, efficienc...Loe edasi...
Committee on Autonomy Research for Civil Aviation, Aeronautics and Space Engineering Board, Division on Engineering and Physical Sciences, National Research Council
(Ilmumisaeg: 23-Jul-2014, Hardback, Kirjastus: National Academies Press, ISBN-13: 9780309386883)
saadame teile pakkumise kasutatud raamatule, mille hind võib erineda kodulehel olevast hinnast
The development and application of increasingly autonomous (IA) systems for civil aviation is proceeding at an accelerating pace, driven by the expectation that such systems will return significant benefits in terms of safety, reliability, effi...Loe edasi...
National Research Council, Division on Engineering and Physical Sciences, Board on Energy and Environmental Systems, Committee on Review of the U.S. DRIVE Research Program, Phase 4
Follows on three previous NRC reviews of the FreedomCAR and Fuel Partnership, which was the predecessor of the US Drive Partnership (NRC, 2005, 2008a, 2010)....Loe edasi...
Committee to Review the 21st Century Truck Partnership, Phase 2, Board on Energy and Environmental Systems, Division on Engineering and Physical Sciences, National Research Council
In July 2010, the National Research Council (NRC) appointed the Committee to Review the 21st Century Truck Partnership, Phase 2, to conduct an independent review of the 21st Century Truck Partnership (21CTP). The 21CTP is a cooperative research and...Loe edasi...
National Research Council, Division on Engineering and Physical Sciences, National Materials and Manufacturing Board, Committee on Benchmarking the Technology and Application of Lightweighting
Lightweighting is a concept well known to structural designers and engineers in all applications areas, from laptops to bicycles to automobiles to buildings and airplanes. Reducing the weight of structures can provide many advantages, including incr...Loe edasi...
National Research Council, Division on Engineering and Physical Sciences, Aeronautics and Space Engineering Board, Committee for the Assessment of NASA's Orbital Debris Programs
Derelict satellites, equipment and other debris orbiting Earth (aka space junk) have been accumulating for many decades and could damage or even possibly destroy satellites and human spacecraft if they collide. During the past 50 years, various Nati...Loe edasi...
National Research Council, Division on Engineering and Physical Sciences, National Materials and Manufacturing Board, Committee on Materials Needs and R&D Strategy for Future Military Aerospace Propulsion Systems
The ongoing development of military aerospace platforms requires continuous technology advances in order to provide the nations war fighters with the desired advantage. Significant advances in the performance and efficiency of jet and rocket propul...Loe edasi...
National Research Council, Division on Engineering and Physical Sciences, Board on Energy and Environmental Systems, Committee on the Assessment of Technologies for Improving Light-Duty Vehicle Fuel Economy
The Committee consulted published literature and spoke with professionals in the automobile and fuel businesses and regulatory agencies around the world to satisfy a 2007 request from the US National Highway Traffic Safety Administration to update st...Loe edasi...
