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According to the aero-engines' flight hours and the speed cycle number, we can obtain the relationship between the load spectrum and the life of its main components; According to the analysis of actual measured load spectrum and the fatigue damage model, this paper adopts the S-N curve and Miner's rule to estimate the fatigue life of engine's first stage turbine disk.
With the development of science and technology, the engineering equipment and products are becoming more and more complicated. So, the system reliability has attracted great attention of Scholars and engineers. Because the system reliability is mainly subjected to Weibull distribution, it is important to improve the Weibull model. A new method is proposed in this paper, which can improve calculation...
Key part failure of the vehicle engine often leads to its failure, while the cylinder liner failure is the main reason. In this paper, the basic theory of vehicle engine tribology was applied to analysis wear reasons and wear rules of cylinder liner. Meanwhile, the application of the ideal gas equation explored the relationship between the state of the cylinder liner wear and air leakage, which determined...
Possibilistic reliability theory is the study of reliability based on the principles of possibility theory. In this paper, the possibilistic reliability function of multi-state system is redefined and analyzed utilizing the possibility distribution of system lifetime. In order to express the internal relationship between system state and residual lifetime, state corresponding most possible residual...
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