Investigation of the Fatigue Behavior of the Discharge Frame in Electrostatic Precipitators Under Symmetric Cyclic Loading
1
Faculty of Mechanical engineering, University of Transport and Communications, Viet Nam
2
Center for Training and Application of technologies in engineering automation, National Research Institute of Mechanical Engineering, Hanoi City 511309, Vietnam, Viet Nam
These authors had equal contribution to this work
Submission date: 2025-07-24
Final revision date: 2025-11-05
Acceptance date: 2025-11-08
Online publication date: 2025-11-27
Corresponding author
Cuong Van Nguyen
Faculty of Mechanical engineering, University of Transport and Communications, Viet Nam
Faculty of Mechanical engineering, University of Transport and Communications, Viet Nam
KEYWORDS
TOPICS
ABSTRACT
The discharge frame is a vital structural component of electrostatic precipitators (ESPs) and is frequently subjected to fully reversed cyclic loading from the rapping system. Because direct fatigue testing of the actual frame is impractical, this study proposes an indirect method to estimate its fatigue limit using experimental data from standard SS400 steel specimens combined with correction factors reflecting geometry, size, surface condition, and stress concentration. The fatigue tests established the S–N curve with parameters m = 8.43 and C = 26.05. The calculated fatigue limit of the discharge frame is significantly lower than that of the standard specimen, highlighting the effects of real structural conditions. The proposed approach provides a simple and effective tool for estimating the fatigue strength of large industrial components where direct testing or complex numerical analysis is not feasible.
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| eISSN: | 2391-8071 |
| ISSN: | 1895-7595 |
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