Modeling of internal corrosion damage on boiler tubes for integrity analyses
Само за регистроване кориснике
2018
Аутори
Bakić, GordanaCvetković, Ivana
Đukić, Miloš
Rajičić, Bratislav
Maslarević, Aleksandar
Stanojević, Petar
Конференцијски прилог (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
Corrosion is irreversible process of material degradation. Due to the adverse effects on characteristics of the operating
material, especially in boiler tubing systems, this is one of the most important problems in the functioning of thermal power
plants and it is considered to be the main cause of many outages. The basis and the first step in process of equipment life
estimation done by using common methods, and determination of the probability of failure is the calculation of stresses in
tubes caused by presence of corrosion damage. In this paper are presented stress analyses attained by deterministic method
and finite element method analyses for tubes with internal corrosion damage. Those analyses were performed on a large set
of data collected for the first stage of re-heater at 350MW thermal power plant unit, which was in service for app 60000
hours. Comparison of stress analyses results was done and obtained difference was analyzed, as well as implications of
obtained res...ults on integrity analyses of corrosion damaged tubes. Influence of gained results on remaining life assessment
and probability of failure results were studied as well, since these considerations are important for the risk-based inspection
and maintenance programs.
Кључне речи:
Finite element method analyses / corrosion / remaining life assessment / reliabilityИзвор:
22nd European Conference on Fracture - ECF22, Loading and Environmental effects on Structural Integrity, Book of Abstracts, 2018Издавач:
- Society for Structural Integrity and Life - Prof. Dr Stojan Sedmak (DIVK), Beograd
Колекције
Институција/група
Mašinski fakultetTY - CONF AU - Bakić, Gordana AU - Cvetković, Ivana AU - Đukić, Miloš AU - Rajičić, Bratislav AU - Maslarević, Aleksandar AU - Stanojević, Petar PY - 2018 UR - https://machinery.mas.bg.ac.rs/handle/123456789/5314 AB - Corrosion is irreversible process of material degradation. Due to the adverse effects on characteristics of the operating material, especially in boiler tubing systems, this is one of the most important problems in the functioning of thermal power plants and it is considered to be the main cause of many outages. The basis and the first step in process of equipment life estimation done by using common methods, and determination of the probability of failure is the calculation of stresses in tubes caused by presence of corrosion damage. In this paper are presented stress analyses attained by deterministic method and finite element method analyses for tubes with internal corrosion damage. Those analyses were performed on a large set of data collected for the first stage of re-heater at 350MW thermal power plant unit, which was in service for app 60000 hours. Comparison of stress analyses results was done and obtained difference was analyzed, as well as implications of obtained results on integrity analyses of corrosion damaged tubes. Influence of gained results on remaining life assessment and probability of failure results were studied as well, since these considerations are important for the risk-based inspection and maintenance programs. PB - Society for Structural Integrity and Life - Prof. Dr Stojan Sedmak (DIVK), Beograd C3 - 22nd European Conference on Fracture - ECF22, Loading and Environmental effects on Structural Integrity, Book of Abstracts T1 - Modeling of internal corrosion damage on boiler tubes for integrity analyses UR - https://hdl.handle.net/21.15107/rcub_machinery_5314 ER -
@conference{ author = "Bakić, Gordana and Cvetković, Ivana and Đukić, Miloš and Rajičić, Bratislav and Maslarević, Aleksandar and Stanojević, Petar", year = "2018", abstract = "Corrosion is irreversible process of material degradation. Due to the adverse effects on characteristics of the operating material, especially in boiler tubing systems, this is one of the most important problems in the functioning of thermal power plants and it is considered to be the main cause of many outages. The basis and the first step in process of equipment life estimation done by using common methods, and determination of the probability of failure is the calculation of stresses in tubes caused by presence of corrosion damage. In this paper are presented stress analyses attained by deterministic method and finite element method analyses for tubes with internal corrosion damage. Those analyses were performed on a large set of data collected for the first stage of re-heater at 350MW thermal power plant unit, which was in service for app 60000 hours. Comparison of stress analyses results was done and obtained difference was analyzed, as well as implications of obtained results on integrity analyses of corrosion damaged tubes. Influence of gained results on remaining life assessment and probability of failure results were studied as well, since these considerations are important for the risk-based inspection and maintenance programs.", publisher = "Society for Structural Integrity and Life - Prof. Dr Stojan Sedmak (DIVK), Beograd", journal = "22nd European Conference on Fracture - ECF22, Loading and Environmental effects on Structural Integrity, Book of Abstracts", title = "Modeling of internal corrosion damage on boiler tubes for integrity analyses", url = "https://hdl.handle.net/21.15107/rcub_machinery_5314" }
Bakić, G., Cvetković, I., Đukić, M., Rajičić, B., Maslarević, A.,& Stanojević, P.. (2018). Modeling of internal corrosion damage on boiler tubes for integrity analyses. in 22nd European Conference on Fracture - ECF22, Loading and Environmental effects on Structural Integrity, Book of Abstracts Society for Structural Integrity and Life - Prof. Dr Stojan Sedmak (DIVK), Beograd.. https://hdl.handle.net/21.15107/rcub_machinery_5314
Bakić G, Cvetković I, Đukić M, Rajičić B, Maslarević A, Stanojević P. Modeling of internal corrosion damage on boiler tubes for integrity analyses. in 22nd European Conference on Fracture - ECF22, Loading and Environmental effects on Structural Integrity, Book of Abstracts. 2018;. https://hdl.handle.net/21.15107/rcub_machinery_5314 .
Bakić, Gordana, Cvetković, Ivana, Đukić, Miloš, Rajičić, Bratislav, Maslarević, Aleksandar, Stanojević, Petar, "Modeling of internal corrosion damage on boiler tubes for integrity analyses" in 22nd European Conference on Fracture - ECF22, Loading and Environmental effects on Structural Integrity, Book of Abstracts (2018), https://hdl.handle.net/21.15107/rcub_machinery_5314 .