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Relevant bibliographies by topics / Ducted fan engines

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Academic literature on the topic 'Ducted fan engines'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 February 2022

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Journal articles on the topic "Ducted fan engines"

1

Ebus, Tobias, Markus Dietz, and Andreas Hupfer. "Experimental and numerical studies on small contra-rotating electrical ducted fan engines." CEAS Aeronautical Journal 12, no. 3 (2021): 559–71. http://dx.doi.org/10.1007/s13272-021-00517-7.

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AbstractElectrical propulsion has been identified as one of the key fields of future research within the aerospace sector. The Institute of Aeronautical Engineering at the Universität der Bundeswehr München aims to contribute to the ongoing development of small-sized electrical ducted fan engines with a thrust in the range of 100 N. A special emphasis is placed on electrically powered contra-rotating fan stages. When compared to a conventional rotor–stator stage, contra-rotating fan stages allow for a more compact design, considering a given pressure ratio, or an increased pressure ratio at a

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2

Xiao, Senlin, Hongxin Qiao, Guanxiong Xu, et al. "Optimized Matching Lift Unit Transmission Ratio of Engine Driven Ducted Fan." MATEC Web of Conferences 166 (2018): 04003. http://dx.doi.org/10.1051/matecconf/201816604003.

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As a kind of VTOL technology, ducted fan is not only used by many kinds of aircrafts, but also one of the trends of the future aircraft lift system, and attracts more and more attention. For an engine driven ducted fan lift unit, involving the engine and ducted fan matching problem, the form of transmission and transmission ratio are the key design parameters. In order to design and develop a ducted fan aircraft reasonably, a thrust test platform was set up to connect the engine with the ducted fan through the belt driving. The matching relationship between the engine and the transmission syst

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3

Huang, An, and Zhong Xi Hou. "Adaptive Control for Steering Engine Fault of Ducted Fan UAV." Applied Mechanics and Materials 602-605 (August 2014): 834–43. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.834.

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For the steering engine fault of ducted fan UAV that may arise during the hovering, designing adaptive controller for attitude control. First, concentrating on modeling of the hovering state of ducted fan UAV, and getting the relationship between steering engine and attitude control. Then analyzing the impact of steering engine fault on the attitude control system basing on the control model. Finally, designing model reference adaptive controller basing on the fault model, so that the ducted fan UAV can maintain good attitude control if steering engine fault occurs during the hovering. Simulat

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Bodenheimer, Bobby, Pascale Bendotti, and Michael Kantner. "Linear parameter-varying control of a ducted fan engine." International Journal of Robust and Nonlinear Control 6, no. 9-10 (1996): 1023–44. http://dx.doi.org/10.1002/(sici)1099-1239(199611)6:9/10<1023::aid-rnc267>3.0.co;2-2.

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Rumsey, C. L., R. T. Biedron, F. Farassat, and P. L. Spence. "DUCTED-FAN ENGINE ACOUSTIC PREDICTIONS USING A NAVIER–STOKES CODE." Journal of Sound and Vibration 213, no. 4 (1998): 643–64. http://dx.doi.org/10.1006/jsvi.1998.1519.

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MAJUMDAR, S. J., and N. PEAKE. "Noise generation by the interaction between ingested turbulence and a rotating fan." Journal of Fluid Mechanics 359 (March 25, 1998): 181–216. http://dx.doi.org/10.1017/s0022112097008318.

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An important criterion in the development of modern aeroengines is the identification of the dominant noise sources under typical aircraft take-off and approach conditions, and also in ground-based tests in which the engine is stationary. In this paper, we develop a theoretical model for unsteady distortion noise, which results from the interaction of ingested atmospheric turbulence with the rotating fan, with a view to providing a better understanding of the important physical mechanisms in this particular aspect of sound generation. The theory, developed in the frequency domain, is applicabl

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Theiner, R., and J. Brabec. "Experience with the design of ultralight airplane with unconventional powerplant." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 232, no. 14 (2018): 2721–33. http://dx.doi.org/10.1177/0954410018774117.

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Ducted fan-powered ultralight (UL) aircraft UL-39 Albi has been developed at the Department of Aerospace Engineering at Faculty of Mechanical Engineering of the Czech Technical University in Prague. The aircraft was manufactured by the companies LA Composite, s.r.o. and JIHLAVAN Airplanes, s.r.o. The development was funded by the Ministry of Education and the Ministry of Industry and Trade of the Czech Republic. The airframe is fully made of composite materials, mainly carbon fibre/epoxy resin prepregs, and was cured in autoclave. The design contains many unconventional features. These were ne

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Theiner, Robert, and Jiří Brabec. "Albi II – a new generation development." MATEC Web of Conferences 304 (2019): 01027. http://dx.doi.org/10.1051/matecconf/201930401027.

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The UL-39 Albi university's all-composite ultralight aircraft project, powered by a piston engine and ducted fan, continues at the Department of Aerospace Engineering at Faculty of Mechanical Engineering CTU in Prague and its partners ZALL JIHLAVAN airplanes, s.r.o. and LA composite, s.r.o. by developing its new generation. The article is a follow-up to a contribution from 2017, where the entire genesis of the first prototype was described. The introduction summarizes the experience of the prototype operation and analyzes the deficiencies that required a major redesign of the propulsion unit.

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Fazeli Asl, Sayed Bagher, and Seyyed Sajjad Moosapour. "Adaptive backstepping fast terminal sliding mode controller design for ducted fan engine of thrust-vectored aircraft." Aerospace Science and Technology 71 (December 2017): 521–29. http://dx.doi.org/10.1016/j.ast.2017.10.001.

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DUNN, M. H., J. TWEED, and F. FARASSAT. "THE APPLICATION OF A BOUNDARY INTEGRAL EQUATION METHOD TO THE PREDICTION OF DUCTED FAN ENGINE NOISE." Journal of Sound and Vibration 227, no. 5 (1999): 1019–48. http://dx.doi.org/10.1006/jsvi.1999.2394.

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Dissertations / Theses on the topic "Ducted fan engines"

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Jílek, Jan. "Přestavba letounu VUT 051 RAY na dvoumotorovou variantu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-377523.

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The master’s thesis is dealt with the design of rebuilding of VUT 051 RAY which is equipped electric powerplant to twin-engine conception named VUT 051 RAY-DUO. In the thesis was verified the range of centre of gravity position of VUT 051 RAY-DUO then powerplant in ducted fan configuration was designed, performances of the airplane were appointed and controllability during fail one of the engines was analysed. The design of new powerplant was verified by strength analysis and then costing calculation was established.

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Books on the topic "Ducted fan engines"

1

Fanelli, Frank. R/C ducted fans: How to build and fly your own jet successfully. Motorbooks International, 1987.

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2

United States. National Aeronautics and Space Administration., ed. TBIEM3D: A computer program for predicting ducted fan engine noise. National Aeronautics and Space Administration, Langley Research Center, 1997.

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3

Ramesh, Pankajakshan, and United States. National Aeronautics and Space Administration., eds. Propulsion/airframe interference for ducted propfan engines with ground effect. National Aeronautics and Space Administration, 1994.

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4

Ducted fan acoustic radiation including the effects of nonuniform mean flow and acoustic treatment. Dept. of Mechanical and Aerospace Engineering and Engineering Mechanics, Univ. of Missouri-Rolla, 1993.

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5

Center, Lewis Research, ed. Model engine performance measurement from force balance instrumentation. National Aeronautics and Space Administration, Lewis Research Center, 1998.

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6

The reduction of ducted fan engine noise via a boundary integral equation method: Final report for the period April 1996 through April 1997, under grant number NCC-3-469. Dept. of Mathematics & Statistics, College of Engineering and Technology, Old Dominion University, 1997.

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7

James, David. Engines for Ducted Fans. Argus Books, 1990.

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8

A, Delaney Robert, Bettner James L, and United States. National Aeronautics and Space Administration., eds. Investigation of advanced counterrotation blade configuration concepts for high speed turboprop systems: Task II, unsteady ducted propfan analysis. National Aeronautics and Space Administration, 1991.

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9

M, Elliott David, Bock Lawrence A, and NASA Glenn Research Center, eds. Some acoustic results from the Pratt and Whitney Advanced Ducted Propulsor: Fan 1. National Aeronautics and Space Administration, Glenn Research Center, 1999.

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10

Comparison of predicted low speed fan rotor/stator interaction modes to measured. National Aeronautics and Space Administration, 1997.

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Book chapters on the topic "Ducted fan engines"

1

Pogorelov, Alexej, Mehmet Onur Cetin, Seyed Mohsen Alavi Moghadam, Matthias Meinke, and Wolfgang Schröder. "Aeroacoustic Simulations of Ducted Axial Fan and Helicopter Engine Nozzle Flows." In High Performance Computing in Science and Engineering ´16. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-47066-5_30.

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Cetin, Mehmet Onur, Alexej Pogorelov, Andreas Lintermann, Hsun-Jen Cheng, Matthias Meinke, and Wolfgang Schröder. "Large-Scale Simulations of a Non-generic Helicopter Engine Nozzle and a Ducted Axial Fan." In High Performance Computing in Science and Engineering ´15. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-24633-8_25.

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Conference papers on the topic "Ducted fan engines"

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Farassat, F., Douglas Nark, and Russell Thomas. "The detection of radiated modes from ducted fan engines." In 7th AIAA/CEAS Aeroacoustics Conference and Exhibit. American Institute of Aeronautics and Astronautics, 2001. http://dx.doi.org/10.2514/6.2001-2138.

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2

Klose, Arno H. "Advanced Ducted Engines: Impact of Unsteady Aerodynamics on Fan Vibration Properties." In ASME 1992 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/92-gt-228.

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Fans of Advanced Ducted Engines (ADE) will be built from light-weight materials such as carbon-fibre-reinforced plastics (CFRP). Due to their low density, the aeroelastic behaviour of these fan blades is significantly different from that of conventional titanium fan blading. Calculations performed during the design of ADE fan bladings show that self-induced aerodynamic loads can significantly alter the resonant frequencies; furthermore, aerodynamic coupling of the different in-vacuo eigenmodes can occur. This is not the case for conventional titanium fan blading, where the vibration properties

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3

Vasanthakumar, Parthasarathy, Jigme Tsering, and Sumanth Siddhartha Suddunuri. "Design, Fabrication and Analysis of an Electric Ducted Fan." In ASME 2019 Gas Turbine India Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gtindia2019-2620.

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Abstract Driven by rapid development in battery technology and increase in scope for electric air taxi vehicles, developing an efficient combustion free propulsion system to pair with an electric aircraft is crucial for future of aircraft industry. However, with current technology, ducted fan configuration engines are the only feasible option when it comes to combustion free propulsion system which are already being used in many unmanned drones and unmanned aerial vehicles. In the present work, simple design, analysis and fabrication of ducted fan is performed. Propeller fan and duct is design

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4

Posey, Joe, M. Dunn, and F. Farassat. "Quantification of inlet impedance concept and a study of the Rayleigh formula for noise radiation from ducted fan engines." In 4th AIAA/CEAS Aeroacoustics Conference. American Institute of Aeronautics and Astronautics, 1998. http://dx.doi.org/10.2514/6.1998-2248.

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5

Schmidt, Florian, and Stephan Staudacher. "Generalized Thermodynamic Assessment of Concepts for Increasing the Efficiency of Civil Aircraft Propulsion Systems." In ASME Turbo Expo 2015: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/gt2015-42447.

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It is known from thermodynamics that intercooling, recuperation, sequential combustion and constant-volume combustion increase the efficiency of thermal engines. Although these concepts are already analyzed at a high level of detail, no comparative and structured assessment of the theoretic and realistic efficiency increase for long-range turbofan engines is given. In light of this a generalized thermodynamic assessment of the mentioned technologies is conducted. First, current technological limits are ignored and the propulsive power is completely utilized. Theoretic efficiency improvements o

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6

Bilgen, Onur. "A Piezocomposite Rotor With Contactless Power and Data Transmission." In ASME 2017 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/smasis2017-3733.

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This paper presents a summary of the ongoing research and development of a solid-state piezo-composite rotor design for use in rotary systems. The proposed hub-rotor system can be implemented in unmanned-aerial-vehicles such as single-rotor, tandem-rotor, multi-copter, and ducted-fan rotorcraft, or other rotating systems such as wind turbines, turbine engines and marine propellers. The preliminary feasibility of the solid-state rotor concept has been previously demonstrated through flight-testing a prototype on a quad-copter vehicle platform. This paper presents a summary of previous findings,

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Kurzke, Joachim. "Fundamental Differences Between Conventional and Geared Turbofans." In ASME Turbo Expo 2009: Power for Land, Sea, and Air. ASMEDC, 2009. http://dx.doi.org/10.1115/gt2009-59745.

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The potential for improving the thermodynamic efficiency of aircraft engines is limited because the aerodynamic quality of the turbomachines has already achieved a very high level. While in the past increasing burner exit temperature did contribute to better cycle efficiency, this is no longer the case with today’s temperatures in the range of 1900...2000K. Increasing the cycle pressure ratio above 40 will yield only a small fuel consumption benefit. Therefore the only way to improve the fuel efficiency of aircraft engines significantly is to increase bypass ratio — which yields higher propuls

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Carneiro Ferreira de Castro, Taís, and Onur Bilgen. "A Piezocomposite Solid-State Rotor: Theoretical Analysis of Thrust and Efficiency Metrics." In ASME 2019 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/smasis2019-5558.

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Abstract This paper presents a summary on the ongoing research and development of a solid-state piezoelectric composite rotor design for use in rotary systems. The paper focuses on the theoretical analysis of a two-bladed rotor with varying parameters such as flight speed, blade pitch angle, and rotational speed. XROTOR, a blade element method based software, is used for analysis. The two-dimensional aerodynamic characteristics are acquired from the previous research on a Macro-Fiber Composite actuated simply supported thin airfoil. A set of simulations are conducted to determine the best geom

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Davey, Robert. "A Regenerative Ducted-Fan Engine for Small Aircraft." In AIAA 5th ATIO and16th Lighter-Than-Air Sys Tech. and Balloon Systems Conferences. American Institute of Aeronautics and Astronautics, 2005. http://dx.doi.org/10.2514/6.2005-7325.

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10

Griffith, Mike, and Paul Moller. "Rotary Engine Powered Ducted Fan for Aircraft Applications." In International Congress & Exposition. SAE International, 1990. http://dx.doi.org/10.4271/900037.

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