Results 31 to 40 of about 3,142 (151)
Active radial clearance design method based on customized linear expansion coefficient
Hangkong gongcheng jinzhanThe active clearance control (ACC) technology for compressors in aero engines has slow deformation response, which is not suitable for military aero engines with drastic changes in throttle lever, and leads to the problem of excessive radial tip ...
ZHANG Shaoping +2 more
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Gas turbine engine dynamic model based on variable-memory LSTM architecture
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2020 The buildup of thermodynamic cycle parameters is the main way to increase gas turbine engine efficiency. However, the growth of engine pressure and temperature ratio leads to the increase in the turbine heat load, which reduces the engine lifetime ...
A. V. Kuznetsov, G. M. Makaryants
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Numerical Simulation of Compressor Stall Recovery Control
Shanghai Jiaotong Daxue xuebao, 2021 In order to explore the influencing factors of the effectiveness and stability for stall recovery and its flow mechanism when the antisurge valve is opened quickly, the dynamic stall recovery processes are simulated and the recovery processes at ...
GAO Yuan, WU Yadong, OUYANG Hua
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AerospaceA Realizable k−ε turbulence model and a finite-rate/eddy-dissipation combustion model, together with experimental validation, were used to investigate the flow and combustion characteristics of a novel triple-swirler combustor under multiple operating ...
Chengji Wang +5 more
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EnergiesGround vortex formation beneath aeroengine intakes during near-ground operations represents an energy-related aerodynamic issue, as it degrades inlet flow quality, induces pressure distortion, and reduces the effective utilization of incoming kinetic ...
Longqing Lei +4 more
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Computer-Aided System of Virtual Testing of Gas Turbine Engines
MATEC Web of Conferences, 2016 The article describes the concept of a virtual lab that includes subsystem of gas turbine engine simulation, subsystem of experiment planning, subsystem of measurement errors simulation, subsystem of simulator identification and others.
Rybakov Viktor N. +3 more
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Numerical study on variable area afterburner with wide bypass ratio
Xibei Gongye Daxue XuebaoTo investigate the impact of variable geometry components on the performance of afterburner, the afterburner of triangular variable connotation components was designed, and the effects of the different state points and duct ratio on the total pressure ...
Ma Yinzhang +3 more
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AerospaceThe periodic unsteady flow induced by rotor–stator interaction (RSI) is the primary cause of blade forced vibration and fatigue failure. Therefore, analyzing the excitation characteristics of RSI flow fields under multi-parameter conditions is essential ...
Yongkang Lin +5 more
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A Combined Optimization Method for the Transition Control Schedules of Aero-Engines
AerospaceA well designed transition control schedule can enable the engine to quickly and smoothly transition from one operating state to another, thereby enhancing the maneuverability of the aircraft.
Wang Hao +4 more
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Development of an exhaust air turbine engine
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2016 The article discusses ways of utilizing exhaust gas heat to improve the power efficiency of heat engines. The concept of an air turbine engine is chosen to make a generator drive with the capacity of 150 kW intended to produce energy for a gas-pumping ...
Yu. S. Yeliseev +4 more
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