Results 111 to 120 of about 7,088 (161)
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Heat recovery from aircraft engines
Collection of Technical Papers. 35th Intersociety Energy Conversion Engineering Conference and Exhibit (IECEC) (Cat. No.00CH37022), 2000The paper deals with the problem of heat recovery from aircraft engines, with specific reference to jet engines and turbo propeller engines. In actual propulsion systems, the trend for cycle maximum temperatures is for very high values, with a consequent increasing of discharge temperature, due account also given to operative modalities of the ...
ANDRIANI, ROBERTO +3 more
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Dynamic CFD Simulation of Aircraft Recovery to an Aircraft Carrier
26th AIAA Applied Aerodynamics Conference, 2008perform localized mesh correction to restore the quality of the deformed grid surrounding the aircraft. The unsteady aircraft loads provided by these simulations were compared to the Manned Flight Simulator (MFS) aerodynamic model for the same aircraft configuration and airwake velocity profile.
Jeremy Shipman +4 more
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Passenger-Centric Integrated Airline Schedule and Aircraft Recovery
Transportation Science, 2021Airlines are known to compete for passengers, and airline profitability heavily depends on the ability to estimate passenger demand, which in turn depends on flight schedules, fares, and the number of seats available at each fare, across all airlines. Interestingly, such competitive interactions and passenger substitution effects may not be limited to
Luis Cadarso, Vikrant Vaze
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Aircraft loss-of-control prevention and recovery
2021The complexity of modern commercial and military aircrafts has necessitated better protection and recovery systems. With the tremendous advances in computer technology, control theory and better mathematical models, a number of issues (Prevention, Reconfiguration, Recovery, Operation near critical points, ... etc.) moderately addressed in the past have
Jean-Etienne Temgoua Dongmo +1 more
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The Power-Recovery System of Testing Aircraft Engines
Transactions of the American Institute of Electrical Engineers, 1943FOR its part in the development of the power-recovery system of testing aircraft engines the electrical industry may properly take pride. It has aided the war effort by helping to give to the aircraft-engine industry a testing technique that contains advantages not previously available.
G. E. Cassidy +2 more
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Optimization of aircraft spin recovery maneuvers
Aerospace Science and Technology, 2019In this paper, the problem of aircraft spin recovery is solved as a trajectory optimization problem using direct multiple shooting method with time and altitude-loss as cost functions to be minimized. A stable oscillatory spin state is chosen as the initial condition and the optimal control inputs required to transfer the aircraft to a steady level ...
DASARI, Mohan, Go, Tiauw H.
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A Comparison of Recovery Strategies for Crew and Aircraft Schedules
2011On the day of operations delays frequently forces the operations control of an airline to recover resource schedules by mostly expensive recovery actions. Regarding this difficulty robust scheduling deals with the construction of schedules which are less affected by disruptions or provide possibilities for low-cost recovery actions.
Lucian Ionescu +2 more
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Dynamic aircraft recovery problem - An operational decision support framework
Computers & Operations Research, 2020zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Jeroen Vink 0001 +4 more
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Nonlinear trajectory transcriptions for aircraft loss of control recovery
Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering, 2016Aircraft loss of control may occur when the interpolated gain set is such that it destabilizes the linear aircraft. That is, when linear aircraft is not asymptotically stable, the nonlinear aircraft loss of control occurs. Even in cases where interpolation stabilizes the linear aircraft, loss of control may also occur when the gains are not ...
Chimpalthradi R. Ashokkumar +2 more
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Expediting Aircraft Recovery at Airports
2012This synthesis study is intended to provide guidance in the area of aircraft recovery, as gained through a thorough review of the literature and interviews with key personnel involved with selected disabled aircraft events. Topics discussed include aircraft recovery guidance (regulatory and nonregulatory guidance), aircraft recovery personnel, aircraft
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