Coupled system and coupled method of CDF and human-body thermal reaction model

Abstract

The invention discloses a coupled system and coupled method of CDF and a human-body thermal reaction model. The system includes the human-body thermal reaction model, a value dummy and a human-body thermal physiological parameter prediction model, wherein the human-body thermal reaction model utilizes the parameters of the human body, clothes and environment to simulate the changes of thermal physiological reactions of every section of the human body under different environmental conditions; the value dummy is used for calculating heat exchange amount of the human body and the environment after being embedded with an analysis of computational fluid dynamics (CDF); the human-body thermal physiological parameter prediction model is used for being coupled with the value dummy through the human-body thermal reaction model. The coupled system of the CDF and the human-body thermal reaction model has the advantages of not only focusing on the thermal reaction of the whole human body, but focusing on the changes of the thermal reactions of every section of the human body, meeting the demands for real-time prediction of human-body thermal physiological parameters in a high-temperature environment, providing a theoretical basis for thermal physiological parameter prediction of people, and finally achieving the purpose of protecting the safety of people.

Description

technical field [0001] The invention relates to the technical field of public safety human body protection, in particular to a coupling system and coupling method of CFD (Computational Fluid Dynamics, computational fluid dynamics analysis) and human body thermal response model. Background technique [0002] The high temperature environment may cause burns to the human body, and even endanger life safety. Utilizing the scalability of CFD simulation and the flexibility of ambient temperature setting, the human body thermal response model is coupled with the numerical dummy on the CFD platform to realize the simulation, and it is used for the prediction of human body thermophysiological parameters in high temperature environment, the performance test of protective clothing and the personnel safety assessment etc., to provide technical support for reducing the level of heat stress, improving rescue efficiency, and ensuring the safety of firefighters. [0003] Skin temperature i...

AI Technical Summary

Problems solved by technology

[0004] However, the thermal physiological response and thermal comfort of the human body are greatly affected by environmental conditions and differences in human body parts. Even under the same environmental conditions, the skin temperature and thermal comfort of various parts of the human body will show certain differences.

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