Results 131 to 140 of about 769,162 (329)

The convertible engine: A dual-mode propulsion system [PDF]

A variable inlet guide vane (VIGV) convertible engine that could be used to power future high-speed rotorcraft was tested on an outdoor stand. The engine ran stably and smoothly in the turbofan, turboshaft, and dual (combined fan and shaft) power modes ...
Mcardle, Jack G.
core   +1 more source

Multi-objective performance optimization of turbofan engine for test run

Xibei Gongye Daxue Xuebao
Turbofan engines are widely used in military and civilian aviation fields due to their high propulsion efficiency and low fuel consumption rate, and their performance directly affects the safety and stability of flight mission.
WEI Bofei, WANG Yuting, GUO Zexuan, LIU Feng, XI Feng, SI Shubin, CAI Zhiqiang   +6 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  

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

A stacked deep convolutional neural network to predict the remaining useful life of a turbofan engine

, 2021
David Solis‐Martín, Juan Galán‐Paez, Joaquín Borrego‐Díaz   +2 more
openalex   +2 more sources

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

Fault Prognosis of Turbofan Engines

, 2023
Joseph Cohen, Xun Huan, Jun Ni
openalex   +2 more sources

NASA Quiet Clean General Aviation Turbofan (QCGAT) program status [PDF]

The suitability of large engine technology to reduce noise, emissions, and fuel consumption of small turbine engines and develop new technology where required is determined.
Bresnahan, D. L., Sievers, G. K.
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

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