Variability in airplane noise measurements [PDF]
Aircraft position and meteorological effects on accuracy of acoustic measurements for turbojet ...
Henderson, H. R., Hilton, D. A.
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Applied SciencesThe objective of this study is to implement a more realistic integrated analysis model for micro gas turbines by incorporating secondary flow and combustion efficiency into the existing model, which includes main engine components such as the compressor ...
DongEun Lee +3 more
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On the use of relative velocity exponents for jet engine exhaust noise [PDF]
The effect of flight on jet engine exhaust noise has often been presented in terms of a relative velocity exponent, n, as a function of radiation angle.
Stone, J. R.
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Index to 1981 NASA Tech Briefs, volume 6, numbers 1-4 [PDF]
, 1986 Short announcements of new technology derived from the R&D activities of NASA are presented. These briefs emphasize information considered likely to be transferrable across industrial, regional, or disciplinary lines and are issued to encourage ...
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AerospaceThe component characteristics of an aeroengine below idle speed are fundamental for start-up process simulations. However, due to experimental limitations, these characteristics must be extrapolated from data above idle speed.
Yibo Cui +4 more
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DBO-CNN-BiLSTM: Dung Beetle Optimization Algorithm-Based Thrust Estimation for Micro-Aero Engine
AerospaceThrust constitutes a pivotal performance parameter for aircraft engines. Thrust, being an indispensable parameter in control systems, has garnered significant attention, prompting numerous scholars to propose various methods and algorithms for its ...
Baijun Lei +4 more
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Flight velocity effects on exhaust noise of a wedge nozzle installed on an underwing nacelle on an F-106 airplane [PDF]
It is important to know whether the relatively high takeoff speeds of supersonic transport aircraft will change the exhaust noise levels of nozzles from those measured at static conditions.
Burley, R. R.
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Multi-Disciplinary Optimization of Mixed-Flow Turbine for Additive Manufacturing
International Journal of Turbomachinery, Propulsion and PowerAdditive manufacturing offers new perspectives for creating complex geometries with improved design features at lower cost and with reduced manufacturing time.
Victor Loir +2 more
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An Experimental Investigation to Use the Biodiesel Resulting from Recycled Sunflower Oil, and Sunflower Oil with Palm Oil as Fuels for Aviation Turbo-Engines. [PDF]
Int J Environ Res Public Health, 2021 Cican G +4 more
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Design of an injection system under low pressure and temperature conditions in liquid fuelled micro UAV's [PDF]
, 2013 Unmanned air vehicles (UAV’s) today are extensively used for a wide range of applications, from amateur to human to military applications. Electric propulsion is preferred for small UAV’s, while piston engines and gas turbines are used for the bigger ...
Galle, Jonas, Verhelst, Sebastian
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