Axial-bending coupling vibration characteristics of a rotating blade with breathing crack
Blade crack is one of the most common blade failures of rotating machines which may lead
to catastrophic accidents. Although many nonlinear vibrations of breathing crack have been …
to catastrophic accidents. Although many nonlinear vibrations of breathing crack have been …
Dynamic characteristic analysis of rotating blade with breathing crack
Crack is one of the most common blade faults in the aero-engine blade, which may cause
serious accidents. The dynamic characteristics of cracked blades have been studied …
serious accidents. The dynamic characteristics of cracked blades have been studied …
Dynamic stress analysis of cracked rectangular blade: Simulation and experiment
Blade crack is one of the main causes of aero-engine failure, resulting in catastrophic
accidents. At present, most of the research on dynamic characteristics of cracked blades is …
accidents. At present, most of the research on dynamic characteristics of cracked blades is …
Coupling vibration mechanism of multistage blisk-rotor system with blade crack
This study aims to address the issue of vibration modeling and coupling vibration
mechanism analysis of multistage blisk-rotor (MBR) systems with blade cracks. First, a …
mechanism analysis of multistage blisk-rotor (MBR) systems with blade cracks. First, a …
[PDF][PDF] Review on dynamic modeling and vibration characteristics of rotating cracked blades
As one of the most important parts in the engine, the structure and state of the rotating blade
directly affect the normal performance of the aero engine. In order to monitor engine crack …
directly affect the normal performance of the aero engine. In order to monitor engine crack …
Improved vibration AM-FM sideband phenomenon models of planetary gear set with distributed faults and fault-induced speed fluctuation
Vibration modulation features are the important indicators for the planetary gear set fault
diagnosis. However, the modulation sidebands caused by the distributed faults of planetary …
diagnosis. However, the modulation sidebands caused by the distributed faults of planetary …
A novel DISTINCT method for characterizing breathing features of nonlinear damage in structures
The detection of breathing cracks in in-service structures is an intractable issue due to the
distinctive dynamic behavior, typically the opening and closing of the crack subjected to …
distinctive dynamic behavior, typically the opening and closing of the crack subjected to …
Comparison of nonlinear vibration responses induced by edge crack and surface crack of compressor blades
The edge crack and surface crack are two typical cracks of blades. To accurately compare
and analyze nonlinear dynamic responses induced by edge cracks and surface cracks of …
and analyze nonlinear dynamic responses induced by edge cracks and surface cracks of …
Nonlinear vibration characteristics and damage detection method of blade with breathing fatigue crack
Y Liu, W Long, Y Chen, H Hu - Aerospace Science and Technology, 2024 - Elsevier
In aero-engine, blades operate under harsh conditions for extended periods, which makes
them highly susceptible to fatigue cracks. The localized and nonlinear structural changes …
them highly susceptible to fatigue cracks. The localized and nonlinear structural changes …
Dynamic contact characteristics of a rotating twisted variable-section blade with breathing crack
Crack failures frequently occur in aero-engine blades which can trigger a cascade of
accidents. Previous studies have primarily focused on crack-induced nonlinear vibration …
accidents. Previous studies have primarily focused on crack-induced nonlinear vibration …