International Journal For Multidisciplinary Research

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Fire Safety Analysis and Design of Building Structures Using PyroSim

Author(s) Mr Pavan P S, Tandin Tshewang, Sudip Barua, Syed Ali Imran, Aaryan Kapoor
Country India
Abstract The study comprises two distinct fire compartments: Condition 1, featuring a well-ventilated bedroom, and Condition 2, characterized by a bedroom lacking ventilation, though with the door kept open throughout the simulation. PyroSim software is utilized for analyzing temperature variation, smoke height, and heat flux. The simulated duration for the ventilated compartment spans 100 hours, 22 minutes, and 28 seconds, while the unventilated compartment endures for 87 hours, 47 minutes, and 50 seconds. In both conditions, bedroom temperatures exhibit dynamic changes from the initial stages. Notably, during the mid and final phases, Condition 1 consistently registers temperatures approximately 50°C higher than those observed in Condition 2. Smoke dispersion patterns also diverge between the two conditions. In Condition 1, smoke height in spaces such as the staircase, living room, and at the main door rapidly decreases from 30 meters to less than 1 meter within 100 seconds. Conversely, in Condition 2, this reduction occurs over a prolonged period, taking approximately 200 seconds. Regarding heat flux, a stable rate is maintained up to the initial 100 seconds in both conditions. Subsequently, in the unventilated compartment, the heat flux escalates rapidly, reaching 90 kW/sqm. In contrast, in Condition 1, while the acceleration is slower initially, surpassing Condition 2 after 660 seconds, the flow of heat flux ultimately exceeds that of Condition 2 in which the heat energy released in the compartment with well ventilation is higher than the compartment with no ventilation.
Keywords PyroSim, Temperature, Smoke Height, Heat flux, Ventilation.
Field Engineering
Published In Volume 7, Issue 2, March-April 2025
Published On 2025-04-09
DOI https://doi.org/10.36948/ijfmr.2025.v07i02.19979
Short DOI https://doi.org/g9fb53
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