Finite element analysis of ventilation system fire damper dynamic time-history

• Autorzy: Skibicki D. , Pejkowski L. , Stopel M.
• Języki publikacji: EN

Abstrakty

EN

The paper presents results of the numerical analysis of the fire damper used in ventilation systems under the earthquake loading. The research was conducted in accordance with the recommendations of the Nuclear Safety Standards Commission. The aim of the analysis was to examine the fire damper with respect to its resistance to service loadings, structural integrity, and capability to stay operative after an earthquake. The analysis was carried out using the Finite Element Method in LS-Dyna software. The earthquake loading was modelled as accelerations, measured in three directions during the earthquake. For modelling of the materials behaviour, material models taking into account the influence of strain rate on hardening were used. The analysis consisted of three stages, which were: loading the construction with the earth gravity, earthquake simulation by loading with accelerations in three directions, and, finally, closing the fire damper. The analysis has shown that some of the construction elements undergo plastic deformations. However, the performed simulation of fire damper closing showed that despite these deformations, the device remains capable to keep its functionality and the damper closes hermetically. The results of the analysis were important design indications for the fire damper prototype

• Wydawca: -
• Czasopismo: Polish Maritime Research
• Rocznik: 2017
• Tom: 24
• Numer: 4
• Opis fizyczny: p.116-123,fig.,ref.

Twórcy

autor

Skibicki D.

• University of Science and Technology, Kaliskiego 7, 85-796 Bydgoszcz, Poland

autor

Pejkowski L.

• University of Science and Technology, Kaliskiego 7, 85-796 Bydgoszcz, Poland

autor

Stopel M.

• University of Science and Technology, Kaliskiego 7, 85-796 Bydgoszcz, Poland

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Identyfikatory

DOI

10.1515/pomr-2017-0143