Results 31 to 40 of about 1,220,175 (393)

Effect of heat processing on microstructures and tensile properties of selective laser melting Hastelloy X alloy

open access: yesCailiao gongcheng, 2019
The technology of selective laser melting was used to fabricate Hastelloy X samples. The effect of hot isostatic pressing (HIP) and solution treatment on microstructures and tensile properties of Hastelloy X samples was investigated. The results show the
LI Ya-li   +3 more
doaj   +1 more source

Parametric Performance of Ultra-light Gas Turbine Power Plant for Heavy Lift Multicopters Flight Systems Using Astra - Russian Aviation Engine Optimization Software

open access: yesMATEC Web of Conferences, 2018
A detailed parametric analysis was performed on entire performance cycle model of micro gas turbine power plant. The parametric analysis was studied using Russian Software named ASTRA.
Vimalachandran T. Aurthur   +2 more
doaj   +1 more source

Efficient Numerical Integration Algorithm of Probabilistic Risk Assessment for Aero-Engine Rotors Considering In-Service Inspection Uncertainties

open access: yesAerospace, 2022
Numerical integration methods have the characteristics of high efficiency and precision, making them attractive for aero-engine probabilistic risk assessment and design optimization of an inspection plan.
Guo Li   +4 more
doaj   +1 more source

Predicting the Remaining Useful Life of an Aircraft Engine Using a Stacked Sparse Autoencoder with Multilayer Self-Learning

open access: yesComplex, 2018
Because they are key components of aircraft, improving the safety, reliability and economy of engines is crucial. To ensure flight safety and reduce the cost of maintenance during aircraft engine operation, a prognostics and health management system that
Jian Ma, Hua Su, Wan-lin Zhao, Bin Liu
semanticscholar   +1 more source

Numerical and Experimental Study on Combustion Characteristics of Micro-Gas Turbine Biogas Combustor

open access: yesEnergies, 2022
The use of biogas in land-based gas turbines for power generation is a promising approach to reducing greenhouse gases and our dependence on fossil fuels.
Aiguo Liu   +4 more
doaj   +1 more source

Bowtie Methodology for Risk Analysis of Visual Borescope Inspection during Aircraft Engine Maintenance

open access: yesAerospace, 2019
Background—The inspection of aircraft parts is critical, as a defective part has many potentially adverse consequences. Faulty parts can initiate a system failure on an aircraft, which can lead to aircraft mishap if not well managed and has the potential
J. Aust, D. Pons
semanticscholar   +1 more source

A Multivariable Method for Calculating Failure Probability of Aeroengine Rotor Disk

open access: yesAerospace, 2023
The probabilistic damage tolerance analysis of aeroengine rotor disks is essential for determining if the disk is safe. To calculate the probability of failure, the numerical integration method is efficient if the integral formula of the probability ...
Guo Li   +4 more
doaj   +1 more source

Damage coupling mechanical behaviors of 2D-SiC/SiC composite

open access: yesCailiao gongcheng, 2019
By using axial and off-axis loading tests with off-axis angle as 45°, the tensile, compressive and in-plane shear stress-strain behaviors along the fiber bundles directions of a 2D-SiC/SiC composite were obtained, and the damage coupling mechanical ...
GUO Hong-bao, XIE Jun
doaj   +1 more source

Distributed Kernel Extreme Learning Machines for Aircraft Engine Failure Diagnostics

open access: yesApplied Sciences, 2019
Kernel extreme learning machine (KELM) has been widely studied in the field of aircraft engine fault diagnostics due to its easy implementation. However, because its computational complexity is proportional to the training sample size, its application in
Junjie Lu, Jin-Quan Huang, F. Lu
semanticscholar   +1 more source

Effects of biofuels properties on aircraft engine performance [PDF]

open access: yes, 2015
Purpose-The purpose of this paper is to examine the effects of heat capacity and density of biofuels on aircraft engine performance indicated by thrust and fuel consumption.
Kipouros, Timos   +2 more
core   +1 more source

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