Results 21 to 30 of about 9,422 (200)

Numerical Simulation of Compressor Stall Recovery Control

open access: yesShanghai 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
doaj   +1 more source

Gas turbine engine dynamic model based on variable-memory LSTM architecture

open access: yesВестник 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
doaj   +1 more source

Adversarial Attack Transferability Enhancement Algorithm Based on Input Channel Splitting [PDF]

open access: yesJisuanji gongcheng, 2023
The Deep Neural Network(DNN) has been widely used in face recognition, automatic driving, and other scenarios;however, it is vulnerable to attacks by adversarial samples.Methods by which adversarial samples are generated can be classified into white-box ...
ZHENG Desheng, CHEN Jixin, ZHOU Jing, KE Wuping, LU Chao, ZHOU Yong, QIU Qian
doaj   +1 more source

Active radial clearance design method based on customized linear expansion coefficient

open access: yesHangkong gongcheng jinzhan
The 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
doaj   +1 more source

Computer-Aided System of Virtual Testing of Gas Turbine Engines

open access: yesMATEC 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
doaj   +1 more source

Development of an exhaust air turbine engine

open access: yesВестник 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
doaj   +1 more source

Application of Proper Orthogonal Decomposition in Spatiotemporal Characterization and Reduced-Order Modeling of Rotor–Stator Interaction Flow Field

open access: yesAerospace
The 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
doaj   +1 more source

The Effect of Physical Faults on a Three-Shaft Gas Turbine Performance at Full- and Part-Load Operation

open access: yesSensors, 2022
A gas path analysis approach of dynamic modelling was used to examine the gas turbine performance. This study presents an investigation of the effect of physical faults on the performance of a three-shaft gas turbine at full-load and part-load operation.
Waleligne Molla Salilew   +4 more
doaj   +1 more source

A Combined Optimization Method for the Transition Control Schedules of Aero-Engines

open access: yesAerospace
A 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
doaj   +1 more source

Thermodynamic Analysis of Effects of the Inlet Air Cooling on Cycle Performance in Combined Brayton-Diesel Cycle

open access: yesHittite Journal of Science and Engineering, 2020
In the present study, the effects of inlet air cooling on compound cycle performance in a diesel gas turbine engine system where waste heat is used in the composite power system in the sustainable energy system were investigated thermodynamically.
Betul Sarac, Teoman Ayhan
doaj   +1 more source

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