Results 111 to 120 of about 14,569 (237)

Study of Turbofan Engines Designed for Low Enery Consumption [PDF]

Subsonic transport turbofan engine design and technology features which have promise of improving aircraft energy consumption are described. Task I addressed the selection and evaluation of features for the CF6 family of engines in current aircraft, and ...
Hirschkron, R., Johnston, R. P., Neitzel, R. E.   +2 more
core   +1 more source

Simulation evaluation and verification of bird ingestion ability of turbofan engine

Hangkong gongcheng jinzhan
The bird-swallowing ability of engine must meet the requirements of the national military standard and airworthiness. It is necessary to propose a reliable method to assess the bird-swallowing ability of the engine before bird-swallowing tests, the test ...
JIA Chao, FAN Jie, JIANG Tongtong, CHEN Qian   +3 more
doaj   +1 more source

Mathematical Modeling of Operating Process Parameters of a Mixed-flow Turbofan Engine with an Afterburner

Journal of Aerospace Technology and Management
The article provides a brief analytical review of mathematical models of the working process used to study the parameters and characteristics of a gas turbine engine at all stages of its creation and operation.
Mykola Kulik, Ivan Lastivka, Larysa Volianska, Andrii Voznyuk, Ivan Babichev   +4 more
doaj  

Component matching optimization of high-performance turbofan engine based on experiment test and adaptive performance model to control the average gas temperature

Propulsion and Power Research
As the turbine inlet total temperature of the turbofan engine continues to increase, it is key to ensuring the long-term reliability of aeroengines that the components matching effectively to achieve the expected average gas temperature.
Ronghui Cheng, Zhishu Zhang, Linyuan Jia, Xuedong Zhang, Longlong Yang   +4 more
doaj   +1 more source

Development and verification of real-time, hybrid computer simulation of F100-PW-100(3) turbofan engine [PDF]

A real time, hybrid computer simulation of a turbofan engine is described. Controls research programs involving that engine are supported by the simulation.
Cwynar, D. S., Seldner, K., Szuch, J. R.
core   +1 more source

Study of unconventional aircraft engines designed for low energy consumption [PDF]

A study of unconventional engine cycle concepts, which may offer significantly lower energy consumption than conventional subsonic transport turbofans, is described herein.
Hirschkron, R., Johnston, R. P., Neitzel, R. E.   +2 more
core   +1 more source

Supersonic fan blading [PDF]

, 1974
Radially extending rotor blades are disposed on a hub to form a supersonic propulsion fan for a turbofan engine. The peripheral spacing of the blades is such as to avoid forming a channel or passageway between adjacent blades.
Goldstein, A. W.
core   +1 more source

F100 multivariable control synthesis program: Evaluation of a multivariable control using a real-time engine simulation [PDF]

The design, evaluation, and testing of a practical, multivariable, linear quadratic regulator control for the F100 turbofan engine were accomplished. NASA evaluation of the multivariable control logic and implementation are covered.
Cwynar, D. S., Seldner, K., Soeder, J. F., Szuch, J. R.   +3 more
core   +1 more source

Effects of chemical equilibrium on turbine engine performance for various fuels and combustor temperatures [PDF]

A study was performed to quantify the differences in turbine engine performance with and without the chemical dissociation effects for various fuel types over a range of combustor temperatures.
Snyder, Christopher A., Tran, Donald H.
core   +1 more source

Advanced turboprop technology development [PDF]

The efficiency of high-speed turboprop propulsion systems is considered with emphasis on fuel savings. Specific topics discussed include: (1) high efficiency and low noise of propeller design; (2) fuselage noise attenuation; (3) propeller and gear box ...
Bencze, D. P., Dugan, J. F., Williams, L. J.   +2 more
core   +1 more source