Timber beam in virtual furnace

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F20%3A00345396" target="_blank" >RIV/68407700:21110/20:00345396 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1108/JSFE-01-2019-0007" target="_blank" >https://doi.org/10.1108/JSFE-01-2019-0007</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1108/JSFE-01-2019-0007" target="_blank" >10.1108/JSFE-01-2019-0007</a>

Result language
angličtina
Original language name
Timber beam in virtual furnace
Original language description
The virtual furnace takes advantage of great possibilities of computational fluid dynamics code Fire Dynamics Simulator. The model is based on an accurate representation of a real fire furnace of fire laboratory PAVUS a.s. located in the Czech Republic. It includes geometry of the real furnace, material properties of the furnace linings, burners, ventilation conditions and tested elements. Gas temperature calculated in the virtual furnace is validated to temperatures measured during a fire test. The paper presents a coupled numerical model for prediction the fire resistance of elements in a horizontal furnace. The presented part lies in a virtual furnace which simulates temperature environment around tested elements in the furnace. Comparison of results show good agreement in the case when burning of timber is included in the numerical model. A contribution of burning of timber beams to temperature increase inside the furnace is graphically demonstrated. The temperature fields calculated in the virtual furnace are then passed to finite element model created in software Atena Science. In this model heat transfer into the timber beam is solved. Temperatures calculated inside the timber beam are compared to measured values from the fire test.
Czech name
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Czech description
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Type
J<sub>SC</sub> - Article in a specialist periodical, which is included in the SCOPUS database
CEP classification
—
OECD FORD branch
20101 - Civil engineering

Project
<a href="/en/project/GA19-22435S" target="_blank" >GA19-22435S: Performance of structures with timber fire protection – multi-physics modelling</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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