Neural Network Signal Integration from Thermogas-Dynamic Parameter Sensors for Helicopters Turboshaft Engines at Flight Operation Conditions [PDF]
SensorsThe article’s main provisions are the development and application of a neural network method for helicopter turboshaft engine thermogas-dynamic parameter integrating signals.
Serhii Vladov +6 more
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The Latest Development of Turboshaft Engines
Highlights in Science, Engineering and Technology, 2023 As the main power of rotor aircraft, the turboshaft engine has always been the focus of scientific and engineering research and has achieved rich research results. This paper reviews and summarizes the research results at home and abroad in the past 10 years from the aspects of control systems, oil-electric mixing, pollutant emission and compressor ...
Yiman Shang
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DIAGNOSTIC MODEL OF HELICOPTER TURBOSHAFT ENGINE
Izvestiya of Samara Scientific Center of the Russian Academy of Sciences, 2023 The article presents a qualitative assessment of the impact on the engine components characteristics of the malfunction occurrence in the flow part of the aviation gas turbine engines, which lead to changes in its geometry. Using the example of a compressor, it is shown that when defects appear in it, two of its characteristics are deformed: efficiency
V.P. Kazhaev, D.Y. Kiselev, Y.V. Kiselev
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Comprehensive Performance Analysis for the Rotating Detonation-Based Turboshaft Engine [PDF]
International Journal of Aerospace Engineering, 2020 The potential advantages of rotating detonation combustion are gradually approved, and it is becoming a stable and controllable energy conversion way adopted to the propulsion devices or ground-engines. This study focuses on the rotating detonation-based
Zifei Ji +4 more
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Statistical learning for turboshaft helicopter accidents using logistic regression. [PDF]
PLoS ONE, 2020 The objective of this work is to advance the understanding of helicopter accidents by examining and quantifying the association between helicopter-specific configurations (number of main rotor blades, number of engines, rotor diameter, and takeoff weight)
Rachmat Subagia +3 more
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Forming of turboshaft engine mathematical model
Авіаційно-космічна техніка та технологія, 2023 The subject of the study is the process of forming a mathematical model (MM) of a turboshaft gas turbine engine and a twin-engine helicopter power plant, which provides the determination of parameters of the working process in steady and transient ...
Sergiy Yepifanov, Oleksii Bondarenko
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Off-Design Analysis Method for Compressor Fouling Fault Diagnosis of Helicopter Turboshaft Engine [PDF]
Modelling, 2023 Fouling, caused by the adhesion of fine materials to the blades of the compressor’s last stages, changes the airfoil’s shape and function and the inlet flow angle on the blades.
Farshid Bazmi, Afshin Rahimi
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Study on the vibration control method of a turboshaft engine rotor based on piezoelectric squeeze film damper oil film clearance [PDF]
Mechanical Sciences, 2023 In the complex environment of the battlefield and dust weather, hard objects including birds, bullets, sand and others will inevitably cause impact damage to the compressor blades of turboshaft engines. The damage will further result in fatigue vibration
Q. Lu +5 more
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Design and verification of model predictive control for micro-turboshaft engine [PDF]
Advances in Mechanical Engineering, 2019 In this article, a nonlinear model predictive control algorithm for a micro-turboshaft engine is designed. The control effect is verified by a bench test.
Mengwei Zhang +3 more
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Energy conversion and efficiency in turboshaft engines [PDF]
E3S Web of Conferences, 2019 This paper discusses the methods of energy conversion in a turboshaft engine. Those methods cover the thermodynamic cycle and the engine performances, the possible energy sources and their impact on environment as well as the optimal solutions for ...
Dobromirescu Cristian, Vilag Valeriu
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