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Arabian Journal for Science and Engineering
Published in: Arabian Journal for Science and Engineering 12/2021

23-04-2021 | Research Article-Mechanical Engineering

Experimental Comparison of Response for Healthy and Cracked Overhung Rotor System

Authors: Rohit Tamrakar, Narain Das Mittal, Raj Kumar Singh

Published in: Arabian Journal for Science and Engineering | Issue 12/2021

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Abstract

Online diagnosis of the rotor system has been of great aid for possible detection of crack. In this paper, experimental vibration response of unbalance cracked overhung rotor system with an open crack is compared to the response of a healthy unbalance overhung rotor system for possible indication of the crack presence, due to change in the dynamic response of the cracked rotor system. The experimental modal analysis results have been compared with the finite element results to validate the accuracy of the experimental setup, followed by the comparison of the spectral response for healthy and cracked rotor system. The change in the dynamic behaviour of the cracked rotor system is studied through the waterfall plot and the colour map plot. A noticeable increase of 27.77% in response amplitude for crack overhung rotor system compared to that of healthy overhung rotor system is observed with unbalance provided to disc. The changes seen in both plots can be utilized for the indication of crack presence in the rotor system.
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Metadata
Title
Experimental Comparison of Response for Healthy and Cracked Overhung Rotor System
Authors
Rohit Tamrakar
Narain Das Mittal
Raj Kumar Singh
Publication date
23-04-2021
Publisher
Springer Berlin Heidelberg
Published in
Arabian Journal for Science and Engineering / Issue 12/2021
Print ISSN: 2193-567X
Electronic ISSN: 2191-4281
DOI
https://doi.org/10.1007/s13369-021-05661-0

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