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Showing 1 to 18 of 18 for “"Fire simulation"”.
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A Fire Simulation Model for Heterogeneous Environments Using the Level Set Method
<p>Wildfire hazard and its destructive consequences have become a growing issue around the world especially in the context of global warming. An effective and efficient fire simulation model will make it possible to predict the fire spread and assist firefighters in the process of controlling the …
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Fire Simulation Cost Reduction for Improved Safety and Response for Underground Spaces
… have been made in the advancement of mine fire knowledge since the 1909 Cherry Mine Fire Disaster, one of the worst in U.S. history. However, fire hazards remain omnipresent in underground coal mines in the U.S. and around the world. A precise fire numerical analysis (simulation) before any …
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Development of Hybrid Fire Simulation Methods and Their Applications to Column Fire Tests
The design philosophy in structural fire design has been shifting from prescriptive design toward performance-based design. The hybrid fire simulation method, where a physical element and a numerical model are integrated, can be used to combine the benefits of the element-level fire test and …
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Modeling canopy foliar traits and disturbance interactions in central Texas woodlands.
… This mapping was used for a series of crown fire simulation comparisons. Fire simulation data show significantly greater frequency of active crown fire occurrence with modeled CBD mapping. Active crown fire initiation is shown to be a function of fuel contiguity levels not achieved by average …
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Probabilistic Modelling of Sensitivity in Fire Simulations
… analyses to the emerging field of toxic hazard simulation in fire science. Fire simulation based on computational fluid dynamics (CFD) plays an important role in performance-based fire design. However, the thermal-physical process of material decomposition in fires and the chemical reactions of …
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Advancing Coupled Fire-Atmosphere Simulation: Fuel Representation and Fire Spotting
Wildland fires can lead to substantial ecological, social, and economical losses as well as health burdens due to smoke produced from biomass burning. Accurate wildland fire simulation is an essential capability in predicting and managing these losses, benefiting both pre-fire risk mitigation and …
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Applications of Remote Sensing and GIS to Modeling Fire for Vegetative Restoration in Northern Arizona
An accurate fire model is a useful tool in predicting the behavior of a prescribed fire. Simulation of fire requires an extensive amount of data and can be accomplished best using GIS applications. This paper demonstrates integrative procedures of using of ArcGIS™, ERDAS Imagine™, GPS, and FARSITE© …
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The Development and Testing of a Fire Simulator Exercise
<p>A forest fire simulation exercise was developed for the purpose of supplementing forest fire instruction, presenting students with decision-making situations encountered on forest fires, and introducing them to the fire simulator at Stephen F. Austin State University. The final exercise was …
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Evaluation of Wildland Firefighter Leadership
… crisis leaders and followers, such as wildland firefighters make decisions in high-stress environments. In this study, wildland firefighters were examined to assess their decision-making skills using a wildland fire simulation computer game called the Networked Fire Chief (NFC). These results …
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Mayday Trigger Phrases in the Fire Service
… aimed to analyze the decision-making process of firefighters in mayday situations. The study utilized SimsUshare, a software program, to present a visual fire simulation for firefighter decision-making. During interviews, participants were presented with trigger phrases in a random order to …
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Computer simulation of residential natural ventilation smoke control system
… in domestic dwelling applications using SMARTFIRE CFD based fire simulation software and EXODUS evacuation simulation software. Based on the objective of natural ventilation system a detailed literature review has been performed and a new methodology has been proposed to understand the …
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Multiple UAV Cooperation For Wildfire Monitoring
Wildfires have been a major factor in the development and management of the world's forest. An accurate assessment of wildfire status is imperative for fire management. This thesis is dedicated to the topic of utilizing multiple unmanned aerial vehicles (UAVs) to cooperatively monitor a large-scale …
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Enhanced Nonlinear Truss Model for Capturing Combined Earthquake and Fire Effects in RC Structures
Post-earthquake fires can negatively affect the safety and collapse probability of Reinforced Concrete (RC) structures. At present, there has been no systematic effort to assess the performance of RC structures for combined earthquake and fire effects. Developing appropriate guidelines for this …
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The use of numerical optimisation techniques in computational fire engineering models: a study through evacuation modelling analyses
… in the transition process from prescriptive fire safety codes to performance-based ones over the last three decades. In fact, such models became also useful tools in different tasks within fire safety engineering field, such as fire risks assessment and fire investigation. However, there are …
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Computer simulation of fire-sprinkler interaction
… the problem of the mathematical modelling of fire and fire-sprinkler scenarios. This involved the numerical simulation of two-phase, three-dimensional, buoyant, turbulent, recirculating flows. The simulations were carried out in two successive and distinct stages. The first stage dealt with …
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Advanced Computing and Sensing to Improve Mine Fire Characterization and Response
After fire is discovered in an underground coal mine, a decision must be made to mitigate fire consequences. The decision should be made based on existing conditions, with the goal of increasing the probability of fire extinguishing without compromising the health and safety of the firefighting …
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Fire safety risk model for a main vertical zone of a large passenger ship
… shed light on the everlasting issue of on-board fires, witha particular focus on large passenger ships, by proposing a fire risk model for a MainVertical Zone (MVZ). Historically, fire had and always has been a pressing accidenttype, along with flooding. Despite the regulatory effort, the total …