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, 2014 The turbofan is a type of air breathing jet engine that finds wide use in aircraft propulsion. During the normal operation of a turbofan engine installed in aircraft, the combustor is supplied with fuel, flow to the combustor is cut off and the engine runs under so called Windmilling conditions being driven only by the ram pressure ratio by producing ...
Ramanathan, A. (author), Ramanathan, A.
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Applied Mechanics and Materials, 2012
Looking into the future of aviation for commercial aircrafts there are various viable options for engine and associated propulsion technologies. The team had to eliminate some of the possible solutions. Superconducting electric motors were alleviated considering weight factors and lack of technology readiness to fly long range commercial jets.
Sarnavi Mahesh, Pate Sweety Prakash
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Looking into the future of aviation for commercial aircrafts there are various viable options for engine and associated propulsion technologies. The team had to eliminate some of the possible solutions. Superconducting electric motors were alleviated considering weight factors and lack of technology readiness to fly long range commercial jets.
Sarnavi Mahesh, Pate Sweety Prakash
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2021
In the last chapter, the turbojet engine was discussed in detail. Historically, commercial aviation began toward the end of World War II with propeller-driven planes. It soon became apparent that the flight speeds of the propeller planes were limited to low subsonic values. The use of the gas turbine engine in combination with a propulsion nozzle, i.e.,
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In the last chapter, the turbojet engine was discussed in detail. Historically, commercial aviation began toward the end of World War II with propeller-driven planes. It soon became apparent that the flight speeds of the propeller planes were limited to low subsonic values. The use of the gas turbine engine in combination with a propulsion nozzle, i.e.,
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Turbofan-engine noise suppression.
Journal of Aircraft, 1968Program for perceived noise levels reduction on ground of turbofan powered commercial transport by acoustically absorptive lining of ...
ROBERT E. PENDLEY, ALAN H. MARSH
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Distributed Control of Turbofan Engines
45th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 2009Abstract : The purpose of this paper is to develop control theoretic concepts for distributed control of gas turbine engines, and develop a dynamic engine model incorporating distributed components in compressor dynamics, engine cycles, and engine control.
Mehrdad Pakmehr +6 more
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The Emergence of the Turbofan Engine
2000If you have looked out the window of an airplane lately, you may have noticed that jet engines are gradually getting shorter and fatter. You will see 737s, the most common airliner in service, with two types of engines of distinctly different shapes. The older models have long, stovepipe-shaped engines under the wings, where the newer ones (or older ...
George E. Smith, David A. Mindell
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Wear Prognostic on Turbofan Engines
Annual Conference of the PHM Society, 2013One of the most evident characteristic of wear for a turbofan engine is the exhaust gas temperature (EGT). It seems clear that this temperature increases when some carbon deposits on the turbine, when the compressor efficiency diminishes so the fuel flow should increase to produce the same amount of thrust, or even when some ...
Jérôme Lacaille +2 more
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Compound cycle turbofan engine
19th Joint Propulsion Conference, 1983The paper discusses the design and development of critical technologies for a "near-adiabatic" compound cycle turbofan engine (CCTE). The concept involves replacing the combustor of a conventional turbofan engine with a highly supercharged, high-speed, two-stroke, direct-injected diesel core. Primary emphasis was on reducing specific fuel consumption t
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LSTM and WaveNet Implementation for Predictive Maintenance of Turbofan Engines
2020 IEEE 20th International Symposium on Computational Intelligence and Informatics (CINTI), 2020With the development of technology, the condition analysis of industrial machines over sensor data has become more commonly used. These developments have made the processing and interpretation of sensor data a new problem to be solved. In this study, Long Short Term Memory (LSTM) and WaveNet are used to produce solutions for predicting remaining useful
Kahraman, Nihan +2 more
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Water-Augmented Turbofan Engine
Journal of Hydronautics, 1968This paper describes a novel lightweight propulsion scheme for use in high-speed ships in which large amounts of water are injected into the fan discharge duct of an aircraft- type turbofan engine. Theoretical design and off-design performance for this water-augmented turbofan engine show that dry thrust theoretically can be augmented 380% at 25 knots ...
W. RICHARD DAVISON, THOMAS J. SADOWSKI
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