Comparative and analysis study of pool fire radiant heat models under different view factor calculations

According to the provisions on fire separation distance between industrial and civil buildings in the latest 'General Code for Fire Protection of Buildings and Constructions' (GB 55037-2022). Radiant heat intensity is one of the main factors in calculating the fire separation distance betw...

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Main Authors: Weixin Wang, Gang Tao, Lijing Zhang
Format: Article
Language:English
Published: Maximum Academic Press 2024-01-01
Series:Emergency Management Science and Technology
Subjects:
Online Access:https://www.maxapress.com/article/doi/10.48130/emst-0024-0005
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author Weixin Wang
Gang Tao
Lijing Zhang
author_facet Weixin Wang
Gang Tao
Lijing Zhang
author_sort Weixin Wang
collection DOAJ
description According to the provisions on fire separation distance between industrial and civil buildings in the latest 'General Code for Fire Protection of Buildings and Constructions' (GB 55037-2022). Radiant heat intensity is one of the main factors in calculating the fire separation distance between buildings. Therefore, the design process involves a lot of calculation of radiant heat intensity. This paper mainly studies the prediction model of radiant heat flux. Three different view factor calculation models, Mudan, Mudan-Sparrow, and Rai-Kalelkar, are used to evaluate the influence of key factors such as the diameter of the pool and the distance between the target and the center point of the liquid pool on the calculation results of radiant heat flux. The results show that when it came to estimating the radiant heat flux, the Mudan and Mudan-Sparrow models yielded comparable results. The calculation of the Rai-Kalelkar model shows that the radiant heat flux is about half of the heat flux in the first two models. When calculating the minimum fire separation distance for combustible liquid storage tanks with a fire dike, the results show that all three models can provide a larger safety margin than the point source model.
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publishDate 2024-01-01
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series Emergency Management Science and Technology
spelling doaj-art-3bcea525f78c4ddf8e9bb521fc631d552025-08-20T02:27:07ZengMaximum Academic PressEmergency Management Science and Technology2832-448X2024-01-01411810.48130/emst-0024-0005emst-0024-0005Comparative and analysis study of pool fire radiant heat models under different view factor calculationsWeixin Wang0Gang Tao1Lijing Zhang2Nanjing Tech University, Nanjing 210000, Jiangsu, ChinaNanjing Tech University, Nanjing 210000, Jiangsu, ChinaNanjing Tech University, Nanjing 210000, Jiangsu, ChinaAccording to the provisions on fire separation distance between industrial and civil buildings in the latest 'General Code for Fire Protection of Buildings and Constructions' (GB 55037-2022). Radiant heat intensity is one of the main factors in calculating the fire separation distance between buildings. Therefore, the design process involves a lot of calculation of radiant heat intensity. This paper mainly studies the prediction model of radiant heat flux. Three different view factor calculation models, Mudan, Mudan-Sparrow, and Rai-Kalelkar, are used to evaluate the influence of key factors such as the diameter of the pool and the distance between the target and the center point of the liquid pool on the calculation results of radiant heat flux. The results show that when it came to estimating the radiant heat flux, the Mudan and Mudan-Sparrow models yielded comparable results. The calculation of the Rai-Kalelkar model shows that the radiant heat flux is about half of the heat flux in the first two models. When calculating the minimum fire separation distance for combustible liquid storage tanks with a fire dike, the results show that all three models can provide a larger safety margin than the point source model.https://www.maxapress.com/article/doi/10.48130/emst-0024-0005pool firethermal radiationview factorcalculation modelfire separation distance
spellingShingle Weixin Wang
Gang Tao
Lijing Zhang
Comparative and analysis study of pool fire radiant heat models under different view factor calculations
Emergency Management Science and Technology
pool fire
thermal radiation
view factor
calculation model
fire separation distance
title Comparative and analysis study of pool fire radiant heat models under different view factor calculations
title_full Comparative and analysis study of pool fire radiant heat models under different view factor calculations
title_fullStr Comparative and analysis study of pool fire radiant heat models under different view factor calculations
title_full_unstemmed Comparative and analysis study of pool fire radiant heat models under different view factor calculations
title_short Comparative and analysis study of pool fire radiant heat models under different view factor calculations
title_sort comparative and analysis study of pool fire radiant heat models under different view factor calculations
topic pool fire
thermal radiation
view factor
calculation model
fire separation distance
url https://www.maxapress.com/article/doi/10.48130/emst-0024-0005
work_keys_str_mv AT weixinwang comparativeandanalysisstudyofpoolfireradiantheatmodelsunderdifferentviewfactorcalculations
AT gangtao comparativeandanalysisstudyofpoolfireradiantheatmodelsunderdifferentviewfactorcalculations
AT lijingzhang comparativeandanalysisstudyofpoolfireradiantheatmodelsunderdifferentviewfactorcalculations