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Keywords: vibrations
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Journal Articles
Article Type: Research Papers
ASME J Nondestructive Evaluation. August 2021, 4(3): 031005.
Paper No: NDE-20-1066
Published Online: March 16, 2021
... vibro-acoustic condition monitoring scheme while diagnosing the local/lumped defects exist at different speed stages of a multi-stage gearbox subjected to fluctuating/varying speeds. Experiments are performed, and the raw vibration and acoustic signatures are acquired simultaneously from the three-stage...
Journal Articles
Article Type: Research Papers
ASME J Nondestructive Evaluation. May 2021, 4(2): 021007.
Paper No: NDE-20-1047
Published Online: January 19, 2021
... parameters adhesive layer longitudinal mode fiber Bragg grating (FBG) elastic wave numerical analysis sensors theoretical developments ultrasonics vibrations wave propagation modeling Structural health monitoring (SHM) technology has been under intensive studies in the past decades because...
Journal Articles
Article Type: Research Papers
ASME J Nondestructive Evaluation. May 2021, 4(2): 021002.
Paper No: NDE-20-1024
Published Online: October 9, 2020
... effect of reduction in stiffness due to non-constrained surfaces on the root faces. If the blade stays only in contact with the lower face, then the blade faces the maximum drop in frequency, which may lead to catastrophic in failure. Blade's vibration equation of motion investigated through the...
Topics: Blades, Pressure
Journal Articles
Article Type: Research Papers
ASME J Nondestructive Evaluation. November 2020, 3(4): 041105.
Paper No: NDE-19-1082
Published Online: June 26, 2020
...Portia Banerjee; Wendy A. Okolo; Andrew J. Moore Owing to the frequency of occurrence and high risk associated with bearings, identification, and characterization of bearing faults in motors via nondestructive evaluation (NDE) methods have been studied extensively, among which vibration analysis...
Journal Articles
Article Type: Research Papers
ASME J Nondestructive Evaluation. November 2020, 3(4): 041101.
Paper No: NDE-19-1060
Published Online: May 11, 2020
... 04 2020 11 05 2020 nonlinear ultrasonic ultrasonics vibrations Ultrasonic testing is widely applied in the inspection of power plants. However, the detection of microscale and closed cracks becomes challenging with ultrasonic testing. To overcome this challenge, nonlinear...
Journal Articles
Article Type: Research Papers
ASME J Nondestructive Evaluation. May 2020, 3(2): 021002.
Paper No: NDE-19-1030
Published Online: February 5, 2020
... as load, speed, and defect size are chosen. The Box–Behnkan method has been used to get trials to plot response surfaces. A bearing test rig has been used for experimentation with high speed, which is capable of high loading to introduce and simulate industrial application environment. Vibration and...
Journal Articles
Article Type: Research Papers
ASME J Nondestructive Evaluation. November 2019, 2(4): 041001.
Paper No: NDE-18-1042
Published Online: September 23, 2019
... influence of background noise and rotational speed variation on vibration signals can be effectively reduced. Since BCA is capable of handling vibration sources that are statistically dependent, OTBCA-SK can decouple both independent and dependent source signals. As a result, the vibration sources excited...
Journal Articles
Article Type: Research-Article
ASME J Nondestructive Evaluation. November 2018, 1(4): 041002.
Paper No: NDE-17-1074
Published Online: June 18, 2018
... 2017 29 05 2018 Aerospace engineering Power systems Theoretical developments Vibrations Distortions of gas turbine engine inlet air flow may excite vibrations of compressor blades (flutter) causing their unsteady aerodynamic work as well as complete blade failure. Dynamic blade...
Journal Articles
Article Type: Research-Article
ASME J Nondestructive Evaluation. August 2018, 1(3): 031005.
Paper No: NDE-17-1094
Published Online: May 7, 2018
... and signal processing techniques are used to extract features and final information regarding the machine performance. One type of the primary data that can be obtained from a system is the vibration responses of the system. Vibration responses of dynamical systems are usually nonstationary signals...
Journal Articles
Article Type: Research-Article
ASME J Nondestructive Evaluation. May 2018, 1(2): 021007.
Paper No: NDE-17-1093
Published Online: January 24, 2018
...Samir Mustapha; Ali Braytee; Lin Ye This paper focuses on the development and validation of a robust framework for surface crack detection and assessment in steel pipes based on measured vibration responses collected using a network of piezoelectric (PZT) wafers. The pipe structure considered in...
Journal Articles
Article Type: Research-Article
ASME J Nondestructive Evaluation. May 2018, 1(2): 021004.
Paper No: NDE-17-1084
Published Online: December 20, 2017
...Pei Cao; Qi Shuai; Jiong Tang A major challenge in structural health monitoring (SHM) is to accurately identify both the location and severity of damage using the dynamic response information acquired. While in theory the vibration-based and impedance-based methods may facilitate damage...