Results 91 to 100 of about 14,569 (237)

A Remaining Useful Life Prognosis of Turbofan Engine Using Temporal and Spatial Feature Fusion. [PDF]

Sensors (Basel), 2021
Peng C, Chen Y, Chen Q, Tang Z, Li L, Gui W.   +5 more
europepmc   +1 more source

TWO-COMBUSTOR TURBOFAN ENGINE PERFORMANCE ANALYSIS [PDF]

Journal of KONES. Powertrain and Transport, 2014
A conception of a two-combustor turbofan engine is the main scope of this paper. At the beginning, the problems of turbofan engines development are briefly discussed as a background of this work. In this part the turbofan engines innovation activities are presented.
openaire   +1 more source

Energy efficient engine program contributions to aircraft fuel conservation [PDF]

Significant advances in high bypass turbofan technologies that enhance fuel efficiency have been demonstrated in the NASA Energy Efficient Engine Program.
Batterton, P. G.
core   +1 more source

Ground-runup tests of acoustically treated inlets and fan ducts [PDF]

Ground performance tests on noise intensity of turbofan engine ducts modified by acoustic ...
Marsh, A. H., Thompson, J. D., Zwieback, E. L.   +2 more
core   +1 more source

The economic impact of drag in general aviation [PDF]

General aviation aircraft fuel consumption and operating costs are closely linked to drag reduction methods. Improvements in airplane drag are envisioned for new models; their effects will be in the 5 to 10% range.
Neal, R. D.
core   +1 more source

imulation of the flow in the fan stage of a turbofan engine with annular grooves casing treatment

Авіаційно-космічна техніка та технологія
The subject of this study is the working process of the axial fan under the annular groove casing treatment of the turbofan engine. The object of the present study is to investigate the fan impeller of a turbofan engine subjected to an annular groove ...
Andrii Duliepov, Anton Balalaiev
doaj   +1 more source

A program for calculating turbofan-driven lift-fan propulsion system performance [PDF]

The performance of a turbofan-powered lift fan propulsion system for vertical takeoff and landing (VTOL) aircraft is calculated. The program formulation consists of taking bleed air from a turbofan engine, heating the bleed air in an interburner, and ...
Fuhs, A. E., Paterson, J. A., Tauber, M. E.   +2 more
core   +1 more source

QCGAT aircraft/engine design for reduced noise and emissions [PDF]

, 1980
The high bypass ratio QCGAT engine played an important role in shaping the aircraft design. The aircraft which evolved is a sleek, advanced design, six-place aircraft with 3538 kg (7,800 lb) maximum gross weight. It offers a 2778 kilometer (1500 nautical
Lanson, L., Terrill, K. M.
core   +1 more source

Analysis and verification of vibration isolation performance of engine mount based on low-frequency approximation method

Journal of Low Frequency Noise, Vibration and Active Control
At present, most of the turbofan engine use the articulated link mount to connect the engine to the wing. The mechanical modeling, analysis and experimental research of articulated link mount are important means in the development of engine mount.
Wang Jianqiang, Ren Gexue, Chen Yonghui, Yan Qun, Zhou Runeng, Chen Chunlan, Dong wanyuan   +6 more
doaj   +1 more source

Simulation of flow in the fan stage of a turbofan engine

Авіаційно-космічна техніка та технологія
The subject of this research is the working process of the axial fan in a turbofan engine. The objective of this research was to investigate the fan impeller of a turbofan engine.
Andrii Duliepov
doaj   +1 more source