Numerical simulation of the process about water pouring into burning oil

BAI Jinwei; ZONG Wengang; LI Xiangyuan

doi:10.7638/kqdlxxb-2018.0068

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Numerical simulation of the process about water pouring into burning oil

更新时间：2026-05-28

- Numerical simulation of the process about water pouring into burning oil
- Vol. 37, Issue 5, Pages: 864-870(2019)
- 作者机构：
  
  四川大学化学工程学院,成都,610065
- 作者简介：
- 基金信息：
- DOI：10.7638/kqdlxxb-2018.0068
  CLC： TK16
- Published：2019
- 稿件说明：
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白进维, 宗文刚, 李象远. 水倾倒入燃烧油过程的数值模拟研究[J]. 空气动力学学报, 2019, 37(5): 864-870.

BAI Jinwei, ZONG Wengang, LI Xiangyuan. Numerical simulation of the process about water pouring into burning oil[J]. 2019, 37(5): 864-870.
白进维, 宗文刚, 李象远. 水倾倒入燃烧油过程的数值模拟研究[J]. 空气动力学学报, 2019, 37(5): 864-870. DOI： 10.7638/kqdlxxb-2018.0068.

BAI Jinwei, ZONG Wengang, LI Xiangyuan. Numerical simulation of the process about water pouring into burning oil[J]. 2019, 37(5): 864-870. DOI： 10.7638/kqdlxxb-2018.0068.

摘要

水倾倒入燃烧油会引发剧烈反应，整个过程极其复杂，实验方法难以捕捉其中细节。本文采用数值模拟方法重现了这一过程，对这一极具危险性的现象进行了深入分析，详细讨论了水倒入燃烧油池后引发的物理化学过程，建立了复杂过程的简化数学模型，并采用开源FDS火灾模拟软件进行了数值测试，验证了该模型的可行性。数值算例测试表明，喷溅油滴蒸发产生的油蒸汽，在热气流的带动下，快速弥漫于广大空间，因此油蒸汽在极短的时间内就可以被携带至远大于喷溅油滴所能到达的位置，造成火焰规模的急剧扩大，与此同时，爆发火焰的辐射热通量则急剧增长，会产生破坏性效果。

Abstract

Pouring water into burning oil

which can trigger acute reaction

is an extremely complicated process. The details can not be captured by experiments. In this paper

the process was reproduced by numerical simulation. The extremely dangerous phenomenon was deeply analyzed and the physical chemistry process after pouring water into burning oil was concisely discussed. Simplified numerical models for the complicated process were established and further numerically tested using open-source FDS fire dynamic modelling software to examine its feasibility. The results indicate that oil gas produced by splashing oil droplets disperses quickly in the vast room along with the flow of hot air. The oil gas can be delivered to the position that is far away from where the splashing oil droplets can reach during an extremely short duration

which makes the dramatic expansion of the flame. However

unwanted damage can be caused by the violent increasing of radiation heat flux of irruptive flame. The results of the simulation can give us deep understanding about the process

so the process may be rationally restrained or utilized in the future.

关键词

Keywords

references

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