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Prediction of Fatigue Crack Growth in Gas Turbine Engine Blades Using Acoustic Emission [PDF]
Sensors, 2018 Fatigue failure is the main type of failure that occurs in gas turbine engine blades and an online monitoring method for detecting fatigue cracks in blades is urgently needed. Therefore, in this present study, we propose the use of acoustic emission (AE)
Guoan Yang
exaly +3 more sources
Crack propagation mechanism and life prediction of liner under thermal fatigue loads [PDF]
Scientific ReportsTo address the crack propagation issue in thin-walled multi-inclined-hole liners of aero-engine combustion chambers during service, a high-fidelity thermo-fluid-structure interaction (TFSI) numerical methodology was systematically developed in ...
Xinlin Wang +6 more
doaj +2 more sources
Case Studies in Thermal Engineering, 2022 The cooling performance of the impingent/effusion structure on the pressure side of nozzle guide vanes tested in an engine operating for the various duration of 100 h, 300 h, and 500 h was evaluated in this study via infrared thermal imaging.
Wei Zhang +5 more
doaj +1 more source
Development of Heavy-Duty Gas Turbines in China in the New Era
中国工程科学, 2022 The heavy-duty gas turbine industry is key to national energy security. Guided by major national projects and driven by the carbon peaking and carbon neutrality goals, strategic research on heavy-duty gas turbines are urgently required in China.
Shu Guogang +5 more
doaj +1 more source
Investigation of New Design Principles for the Centrifugal Compressor Vaned Diffusers
International Journal of Aerospace Engineering, 2022 Diffuser’s aerodynamic performance is crucial for the centrifugal compressors, while at present the universal principles for the optimization design of the vaned diffusers are still not available. In this paper, three vaned diffusers with different inlet
Qingkuo Li +4 more
doaj +1 more source
Droplet Collection Efficiency Regularity of NACA0012 Airfoil Based on the Eulerian Method
Aerospace, 2023 Obtaining droplet collection efficiency (DCE) is vital for icing numerical simulations. A droplet impact model based on the Eulerian two-phase flow model was established in this work to analyze the influence of different incoming flow parameters on DCE ...
Jie Wu +5 more
doaj +1 more source
Energies, 2022 In order to study the effect of thermal barrier coating deposition inside the film holes of turbine guide vanes on film cooling performance, film effectiveness on the suction side is measured by infrared thermal imaging technology.
Wei Zhang +3 more
doaj +1 more source
Numerical Simulation of Combustion and Emission Characteristics during Gas Turbine Startup Procedure
Energies, 2022 The annual operation data of an F-class gas turbine generator set revealed that the duration of the startup process accounts for about 8.5% of the whole operation process.
Yang Ding +5 more
doaj +1 more source
Analysis of unstable mode of a free gas turbine of turbo-compressors engines [PDF]
MATEC Web of Conferences, 2021 This paper analyses unstable mode of a free gas turbine of turboshaft helicopter engine TV3-117. The analysis is focused on the conditions of this phenomenon and the possibilities of its solution in a turboshaft helicopter engine and an industrial ...
Hocko Marián, Al-Rabeei Samer
doaj +1 more source
Applied Thermal Engineering, 2020 Turbine blade tip clearance is one of the significant factors that influence turbine efficiency, Specific Fuel Consumption (SFC), Exhaust Gas Temperature (EGT), and emissions.
Rahul Kumar +5 more
semanticscholar +1 more source