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Virtual evacuation evaluation method considering integrated hazards of fire gases

An evaluation method and flue gas technology, applied in instruments, data processing applications, forecasting, etc., can solve problems such as the lack of a unified consideration of flue gas toxicity and thermal damage models, and the lack of comprehensive flue gas damage models.

Inactive Publication Date: 2017-11-24
UNIV OF SCI & TECH BEIJING
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Benefits of technology

The invention describes a system for evaluating fire prevention measures by creating models that predict how well they are going when there's no fires or other emergencies happening during their life cycle. This helps identify potential areas where fire may occur more frequently than expected based on factors like time it takes to get out from danger (such as high temperatures).

Problems solved by technology

This patented technical problem addressed in this patents relates to improving safe evacuations during housefires without causing harm or injury from flames generated through burning materials such as wood chips. Current simulation systems have limitations due to their poor assessments of smoke exposure levels which cannot accurately reflect how well individuals perform these simulations over long periods of time.

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  • Virtual evacuation evaluation method considering integrated hazards of fire gases
  • Virtual evacuation evaluation method considering integrated hazards of fire gases
  • Virtual evacuation evaluation method considering integrated hazards of fire gases

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Embodiment Construction

[0031] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0032] The invention provides a virtual evacuation evaluation method considering the comprehensive hazard of smoke.

[0033] The method mainly includes three parts: a comprehensive evaluation model based on FED, an evaluation model combined with training paths, and a virtual evacuation path safety evaluation ( figure 1 ).

[0034] 1. FED-based smoke comprehensive hazard assessment model

[0035] The main hazards of fumes include toxicity and heat. Among the smoke toxicity evaluation indexes of the comprehensive effects of various gases, FED is an important evaluation index. On the basis of FED, adopt FED 6-Gas model to evaluate the 6 gases (i.e. CO, CO 2 , HCN, O 2 , HCl and HBr) comprehensive toxicity, such as formula (1):

[0036]

[0037] Th...

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Abstract

The invention provides a virtual evacuation evaluation method considering integrated hazards of fire gases, and belongs to the technical field of disaster prevention and disaster mitigation. The virtual evacuation evaluation method considering integrated hazards of fire gases includes the steps: establishing a fire gases integrated hazards evaluation model IHD (Integrated Hazards Dose) based on FED (fractional effective dose) which can evaluate toxicity and thermal damage of fire gases uniformly; according to a virtual evacuation path, establishing an evacuation path evaluation model IHDpath; and applying the IHDpath model to safety evaluation of the virtual evacuation path to prove availability of the virtual evacuation evaluation method considering integrated hazards of fire gases. The virtual evacuation evaluation method considering integrated hazards of fire gases provides an integrated hazards evaluation model for fire virtual evacuation training, and can be used for guiding people to perform reasonable path selection in the evacuation training at random.

Description

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Claims

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Application Information

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Owner UNIV OF SCI & TECH BEIJING
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