Thermal buckling behaviour of unstiffened and stiffened fixed-roof tanks under non-uniform heating

Pantousa, Daphne; Tzaros, K.A.; Kefaki, Maria-Alexandra

doi:10.1016/j.jcsr.2017.12.018

Cited by 16 publications

(2 citation statements)

References 24 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Within the context of the present work, in which emphasis is placed on the modeling of the flame and heat analysis, the authors did not explore buckling and imperfection sensitivity of the target tank. This has been done in previous works 17,19,[24][25][26][27] and is by a now a better-known field of research.…”

Section: Discussionmentioning

confidence: 90%

Thermal and structural analysis of a fuel storage tank under an adjacent pool fire

2018

View full text Add to dashboard Cite

This work reports the modeling and computational implementation of heat transfer processes that take place from a source tank to a target tank in a tank farm, focusing on the thermal field that develops at the target tank. Pool fire with gasoline burning is modeled at the source, in which the flame is represented by a two-layer solid flame model. A rigorous heat transfer model is implemented together with a Computational Fluid Dynamics model for the fuel storage. This process yields the temperature field in the target tank. Such thermal fields are subsequently employed as input in a structural analysis of the target tank to compute displacements and stresses and to assess possible structural damage. For the case studied, the results show that a steady-state process is reached in less than an hour, with temperatures in the order of 400°C at elevations above the fuel level stored in the target tank, whereas much lower temperatures are computed on the zone in contact with fuel. Displacement jumps are seen to occur at the fuel level and at the junction between the cylinder and a fixed roof.

show abstract

Section: Discussionmentioning

confidence: 90%

Thermal and structural analysis of a fuel storage tank under an adjacent pool fire

2018

View full text Add to dashboard Cite

show abstract

“…24 Moreover, the thermal buckling of cylindrical shells under uniform heating and temperature gradients through the thickness was studied in the past, [25][26][27][28][29] but the thermal loading generated by a fire is more complicated than these patterns. The research concerning the structural performance of thin-walled steel tanks due to heat from a fire has only recently begun and, consequently, is limited, [30][31][32][33][34] according to Godoy. 35 Most of this research is focused on isolated tanks, but the review presented in Reference 35 explains that it is very important to consider the factors that are introduced in the case of tank farms (or tanks in groups).…”

mentioning

confidence: 99%

Post‐fire behavior of CFRP retrofitted thin‐walled steel tanks

Maali

Kılıç

2020

Fire and Materials

View full text Add to dashboard Cite

Thin-walled shell structures are characterized by a lightweight structural form with high strength. This structure has many applications in various engineering fields and is considered to be a basic tool in the modern industry. This study investigates the effect of CFRP on tanks after post-fire in order to examine the buckling and postbuckling of the cylindrical tanks. Herein, post-fire was introduced at different temperatures (150 C-600 C). Ten laboratory specimens in two groups with verified temperatures, under external pressure, are examined. The models were designed to demonstrate how repairing steel tanks, which are damaged by fire, by using carbonfiber-reinforced polymer can recover lost capacity. The results of testing under different theories and codes were compared. This study shows that the initial buckling load of the temperature group increased by 30.82% to 57.09% compared to the temperature without-CFRP group. The overall buckling load of the temperature group increased by 37.01% to 67.74% compared to the temperature without-CFRP group. The collapse load of the temperature group increased by 27.04% to 52.64% compared to the temperature without-CFRP group. And using carbon-fiber-reinforced polymer on models, which are damaged by fire, can be an improvement behavior for the buckling and post-buckling specimen tests.

show abstract