Xem 1-12 trên 12 kết quả Transport aircraft
  • This monograph summarizes research conducted by RAND Arroyo Center in support of the 2002 Army Science Board Aviation Study. The purpose of this five-month study was to help the Aviation Panel of the Army Science Board explore and assess survivability concepts and technologies associated with flexible transport aircraft that could be used to make possible new operational maneuver options for the Army’s future force.

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  • Transportation is made ​​of material production and transportation of goods. Transportation is divided into road transport (often referred to as the transport), water transport (shipping), air transport. Road transport including trains, cars and roads. Water transport, including maritime transport and inland waterway transport. Use of air transport aircraft

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  • Air travel is continuing to experience the fastest growth among all modes of transport. Increasing total fuel consumption and the potential impacts of aircraft engine emissions on the global atmosphere have motivated the industry, scientific community, and international governments to seek various emissions reduction options. Despite the efforts to understand and mitigate the impacts of aviation emissions, it still remains uncertain whether proposed emissions reduction options are technologically and financially feasible....

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  • In August 1999, the Transportation Research Board (TRB) held a workshop at the request of the National Aeronautics and Space Administration (NASA) to examine its Small Aircraft Transportation System (SATS) concept.

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  • The book "Wind Tunnels and Experimental Fluid Dynamics Research" is comprised of 33 chapters divided in five sections. The first 12 chapters discuss wind tunnel facilities and experiments in incompressible flow, while the next seven chapters deal with building dynamics, flow control and fluid mechanics. Third section of the book is dedicated to chapters discussing aerodynamic field measurements and real full scale analysis (chapters 20-22).

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  • Technological improvements might also involve the adoption and use of alternative fuel or alternative propulsion vehicles. In developing countries, the most commonly discussed alternative vehicle strategies include compressed natural gas (CNG), liquefied petroleum gas (LPG), alcohol-based fuels, and electric propulsion or hybrid -electric vehicles in certain applications. Other alternative fuels showing potential long -term promise in the transport sector include hydrogen fuel cells and various synthetic fuels for use in compression-ignition engines.

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  • Our society is awash in “machine intelligence” of various kinds, from smart thermostats in our homes, to expert systems and design aids in our workplaces, to jet aircraft landing safely in treacherous weather under computer control. Over the last century, we have witnessed more and more of the “drudgery” of daily living being replaced by devices such as washing machines, microwave ovens, motorized transport, and the enhanced productivity and convenience offered by personal computers and information technology....

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  • CHAPTER 57 GAS TURBINES Harold Miller GE Power Systems Schenectady, New York 57.1 INTRODUCTION 57.1.1 Basic Operating Principles 57. 1.2 A Brief History of Gas Turbine Development and Use 57.1.3 Components, Characteristics and Capabilities 57.1.4 Controls and Accessories 57.1.5 Gas Turbine Operation GAS TURBINE PERFORMANCE 57.2.1 Gas Turbine Configurations and Cycle Characteristics 57.2.2 Trends in Gas Turbine Design and Performance 1723 1723 57.3 1727 1728 1737 1740 57.4 1740 1740 1747 APPLICATIONS 1749 57.3.1 Use of Exhaust Heat in Industrial Gas Turbines 1749 57.3.

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  • Pandemic planning should consider the need for stockpiling of essential supplies. Discuss with key suppliers a plan for regular shipments in the event of shortages or disruptions in transportation systems. Shortages may occur because of disruptions in transportation systems or inability of suppliers to meet demands because of their own staff shortages. Canadian supplies travel long distances by truck, train and aircraft and are vulnerable to any disruption.

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  • The engineering field requires an understanding of core concepts including mechanics, kinematics, thermodynamics, materials science, structural analysis, and electricity. Mechanical engineers use these core principles along with tools like computer-aided engineering and product lifecycle management to design and analyze manufacturing plants, industrial equipment and machinery, heating and cooling systems, transport systems, aircraft, watercraft, robotics, medical devices, and others.

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  • Shortly after the terrorist attacks against the World Trade Center and the Pentagon on September 11, 2001, Congress passed a new law that mandated the screening of all baggage carried on all commercial aircraft by the end of calendar year (CY) 2002. The Transportation Security Agency (TSA), a newly formed organization that is part of the Department of Homeland Security, was given the responsibility for assuring the rapid implementation of this mandate. To the TSA’s credit, sufficient equipment was acquired and installed at all U.S....

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  • As for internal combustion piston engines, these were tested in France in 1807 by de Rivaz and independently, by the Niépce brothers . They were theoretically advanced by Carnot in 1824.[citation needed] The Otto cycle in 1877 was capable of giving a far higher power to weight ratio than steam engines and worked much better for many transportation applications such as cars and aircraft.

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