This article presents a novel methodology for the inspection scheduling of gas turbine welded structures, based on reliability calculations and overhaul findings.The model was based on a probabilistic crack propagation analysis for welds in a plate and considered the uncertainty in material properties, defect inspection Sheath capabilities, weld ge
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Partial discharge (PD) measurement of an insulation system is widely used as a diagnostic tool for the quality control of high voltage apparatuses.In ac, the conventional method of PD Little Girls Woven Shirts detection is well established.However, under square voltages such as those generated across power electronic converters, the conventional me
The performance enhancement of aircraft coupled with the development of increasingly lightweight and flexible materials has led designers to use smaller structural safety factors along the time, which can make aerodynamic surfaces more susceptible to aeroelastic phenomena, including flutter.This kind of occurrence must be carefully investigated by
Background: During the course of an epidemic of a potentially fatal disease, it is difficult to accurately estimate the case fatality rate (CFR) because many calculation methods do not account for the delay between case confirmation and disease outcome.Taking the coronavirus disease-2019 (COVID-19) as an example, this study aimed to develop a new m