Experimental and Numerical Analysis of Stress-Strain Field of the Modelled Boiler Element

Rajić, Milena; Živković, Dragoljub; Banić, Milan; Mančić, Marko; Milošević, Miloš; Maneski, Taško; Mitrović, Nenad

doi:10.1007/978-3-030-58362-0_15

Cited by 1 publication

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“…Also, numerical methods enable results of full covered stress-strain field that can be easily verified by the data obtained from experiment. This 3D DIC method has high accuracy (up to 1 μm) and it has been used in variety of cases so far: different material testing, structure testing, model verification, fracture mechanism [24][25][26][27][28][29][30][31][32][33][34][35][36][37].…”

Section: Introductionmentioning

confidence: 99%

Experimental and numerical stress and strain analysis of the boiler reversing chamber tube plate

et al. 2022

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Boilers are one of the most used units for both heat generation plants and industry systems. Their operation is subjected to different working loads and maintenance requirements. Exploitation experience points out critical boiler zones where failures and break downs typically occur. This paper analyzes critical zones in hot water fire-tube boiler. Experimental procedure was performed on the model of this type of boilers and its critical element. The tube plate of hot water boiler was identified as the most critical one. Experimental analysis and numerical model verification were performed using Aramis system based on 3D Digital Image Correlation method. Numerical analysis was done in Ansys Software Package and verification of results was done based on measurements obtained by strain gauges and local measurements performed by the Aramis system. Stress-strain analysis indicates the critical zones of boiler tube plate. The character of change parameters such as strain and stress occurring in the critical zones can be verified both by experimental and numerical data. The paper presents a novel approach in experimental and numerical analyses that can be conducted in similar units and used for existing unit optimization, as well as for new product testing on different loads and provide opportunity for further development and improvement for practical industrial application.

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