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Št. zadetkov: 5
Predicting the total wall time of CFD simulations of single-compartment fires
Martin Veit, Andrea Lucherini, Georgios Maragkos, Bart Merci
Objavljeni znanstveni prispevek na konferenci
Oznake: simulacije;računalniška dinamika tekočin;simulator požarne dinamike;stenski čas;simulations;computational fluid dynamics;fire dynamics simulator;wall time;
The total wall time is often difficult to predict a priori in compartment fire simulations due to dynamic phenomena that can occur, e.g., flame extinction. The wall time is dependent on multiple physical factors in the simulation, along with simulation factors and the system used to compute the mode ...
Leto: 2024 Vir: Zavod za gradbeništvo Slovenije (ZAG)
Model uncertainty in a parametric fire curve approach
Florian Put, Andrea Lucherini, Bart Merci, Ruben Van Coile
Izvirni znanstveni članek
Oznake: gradbeni požarni inženiring;požari v prostorih;gostota požarne obremenitve;jeklene konstrukcije;zanesljivost;verjetnost odpovedi;structural fire engineering;compartment fires;fire load density;steel structures;reliability;probability of failure;
A commonly used approach to represent the thermal load in a compartment fire is the Eurocode Parametric Fire Curve (EPFC), which specifies gas temperatures (or rather adiabatic surface temperatures). Recognizing the significant deviations between real fires and the EPFC framework, the concept of mod ...
Leto: 2024 Vir: Zavod za gradbeništvo Slovenije (ZAG)
CFD-based analysis of deviations between thermocouple measurements and local gas temperatures during the cooling phase of compartment fires
Florian Put, Andrea Lucherini, Ruben Van Coile, Bart Merci
Izvirni znanstveni članek
Oznake: meritve s termoelementom;simulacije CFD;prenos toplote;požari v prostorih;hlajenje;dinamika požara;FDS;thermocouple measurements;CFD simulations;heat transfer;compartment fires;cooling;fire dynamics;
Data from thermocouple (TC) measurements play a pivotal role in fire safety science and engineering studies. It is well-known that there are deviations from the actual local gas temperature and many studies have led to the development of correction factors. The present study focuses on these deviati ...
Leto: 2024 Vir: Zavod za gradbeništvo Slovenije (ZAG)
Thermal characterisation of the cooling phase of post-flashover compartment fires
Andrea Lucherini, Balša Jovanović, Jose L. Torero, Ruben Van Coile, Bart Merci
Izvirni znanstveni članek
Oznake: faza hlajenja;razpadanje požara;dinamika požara;požari v oddelkih;konstrukcijski požarni inženiring;požarna varnost;cooling phase;fire decay;fire dynamics;compartment fires;structural fire engineering;fire safety;
The main characteristics of the cooling phase of post-flashover compartment fires are studied using a simplified first-principles heat transfer approach to establish key limitations of more traditional methodologies (e.g., Eurocode). To this purpose, the boundary conditions during cooling are analys ...
Leto: 2024 Vir: Zavod za gradbeništvo Slovenije (ZAG)
High-Intensity Fast-Response Electric radiant Panel (HIFREP) for increased accuracy on thermal boundary conditions during fire testing
Florian Put, Balša Jovanović, Evelien Symoens, Andrea Lucherini, Bart Merci, Ruben Van Coile
Objavljeni znanstveni prispevek na konferenci
Oznake: sevalna plošča;požarno testiranje;prenos toplote;sevanje;toplotni tok;požarna varnost;toplotni mejni pogoji;radiant panel;fire testing;heat transfer;radiation;heat flux;fire safety;thermal boundary conditions;
Fire resistance tests rely on the use of standardized furnaces to apply specific thermal boundary conditions to assess the performance of construction materials and systems in fire conditions. However, these tests are very expensive and encounter challenges related to repeatability and uncertainties ...
Leto: 2024 Vir: Zavod za gradbeništvo Slovenije (ZAG)
Št. zadetkov: 5
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