August 2019

Maintenance and Reliability

Fatigue damage assessment of coke drums based on temperature monitoring

Coke drums are expensive equipment with a long manufacturing cycle, so a realistic and accurate life prediction can save significant time and money.

Soare, M., Minea, I-S., Predoi, M. V., Bunesco, C., Diba, C., Nuclear NDT Research & Services Srl

Coke drums are expensive equipment with a long manufacturing cycle, so a realistic and accurate life prediction can save significant time and money. FIG. 1. A user interface with date, temperatures on the rotating model of the coke drum, unwrapped surface of the cylindrical parts (right) and cone (below 3D model), and a plot of extreme temperatures in time (low, right). Coke drums are special pressure vessels subjected to large cyclic stresses resulting from thermal distributions that are generated by coke bed interactions and random local flows through the coke bed and around it near the wall.1 It is vital for owners to know as much as possibl

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