Diagnostic Models of the States of Developing Fault for Working Parts of the Excavator

Kowalczyk, M.; Czmochowski, J.; Derlukiewicz, Damian

doi:10.4028/www.scientific.net/ssp.165.285

Cited by 3 publications

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“…The point of origin and the path of the fire wave are shown in Figure 1 [3]. References should be numbered in order of appearance and indicated by a numeral or numerals in square brackets, e.g., see the end of the document for further details on references [4,5].…”

Section: Introductionmentioning

confidence: 99%

Identification of the Effects of Fire-Wave Propagation through the Power Unit’s Boiler Island

Paduchowicz

Górski

2021

Energies

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The article presents the results obtained during the inspection of the load-bearing structure of a power unit that suffered from fire. The inspection, consisting in the assessment of both the structure’s technical condition and durability of welded joints, was performed on seven height levels of the power unit. The vibration spectrum of the unit’s steel structure was analyzed, and frequency characteristics were, thus, obtained for individual measurement levels. Thermal vision measurements were also performed in the unit’s all connection points to check for possible unsealing of some elements in the boiler island of the inspected power unit. The next stage consisted of performing strength calculations of the steel structure with a goal to estimate the structure’s stress state. The conclusions contain suggestions for modernization of welded joints in order to maintain the power unit’s design strength.

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Section: Introductionmentioning

confidence: 99%