海洋石油平台长方体障碍物对天然气爆炸影响研究

doi:10.16182/j.issn1004731x.joss.201708012

系统仿真学报 ›› 2017, Vol. 29 ›› Issue (8): 1726-1735.doi: 10.16182/j.issn1004731x.joss.201708012

海洋石油平台长方体障碍物对天然气爆炸影响研究

王鹏程, 孙玉清

大连海事大学轮机工程学院,辽宁大连 116026

收稿日期:2015-09-18 发布日期:2020-06-01
作者简介:王鹏程(1983-),男,满族,天津,博士生,研究方向为海洋工程结构与安全;孙玉清(通讯作者1963-),男,辽宁,教授,博导,研究方向为海洋工程装备与机电一体化。

Research on Natural Gas Explosion Rules for Cuboid Obstacles in Offshore Oil Platform

Wang Pengcheng, Sun Yuqing

Marine Engineering College, Dalian Maritime University, Dalian 116026, China

Received:2015-09-18 Published:2020-06-01

摘要/Abstract

摘要： 平台上分布的设备数量和阻塞率对爆炸产生的超压峰值和温度峰值有很大影响,通过合理布放设备,可以最大限度地降低爆炸造成的损失。有限元方法被广泛应用于气体云爆炸的仿真,因此利用有限元方法建立了具有不同长方体障碍物的海洋石油平台模型。通过对于15种不同长方体障碍物分布的情况进行仿真,得到了超压峰值随障碍物数量、阻塞率的变化规律。研究结果表明,随着长方体障碍物数量和阻塞率的增加,爆炸的超压峰值明显增加,温度峰值增加幅度较小且集中维持在2 000 ~2 500 K之间。所得结果不但对于海洋石油平台设备的合理布局具有一定的指导意义,还可以为类似事故的调查分析提供一定的理论依据。

关键词: 长方体障碍物, 阻塞率, 有限元方法, 海洋石油平台

Abstract: Quantities and blockage ratios of equipment on the platform has a great effect on the peak overpressure and temperature. The loss caused by explosion can be reduced to the minimum through the reasonable distribution of equipment, and the finite element method has been widely used in the simulation of gas cloud explosion. Offshore oil platform models with different cuboid obstacles were established by the finite element method and cuboid obstacles were distributed in 15 different situations. Mathematical relationships between overpressure and cuboid obstacles' quantities and blockage ratios were obtained. The results show that with the increase of quantities and blockage ratios, the peak overpressure increases obviously and peak temperature increases slowly which concentrates on 2000 K to 2500 K. The research only provides references to the reasonable layout of equipment on the offshore oil platform, but also provides the certain theoretical basis for the investigation and analysis of similar accidents.

Key words: cuboid obstacle, blockage ratio, finite element method, offshore oil platform

中图分类号:

TP391.9

王鹏程, 孙玉清. 海洋石油平台长方体障碍物对天然气爆炸影响研究[J]. 系统仿真学报, 2017, 29(8): 1726-1735.

Wang Pengcheng, Sun Yuqing. Research on Natural Gas Explosion Rules for Cuboid Obstacles in Offshore Oil Platform[J]. Journal of System Simulation, 2017, 29(8): 1726-1735.

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海洋石油平台长方体障碍物对天然气爆炸影响研究

Research on Natural Gas Explosion Rules for Cuboid Obstacles in Offshore Oil Platform

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