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科技导报  2014 

超临界二氧化碳BLEVE机理数值模拟

DOI: 10.3981/j.issn.1000-7857.2014.25.007, PP. 46-50

Keywords: 超临界二氧化碳,沸腾液体扩展蒸气云爆炸,爆炸机理,数值模拟

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Abstract:

碳捕集与贮存及提高油田采收率(CCS-EOR)技术是节能减排的有效手段。本文以超临界CO2为研究对象,采用数值模拟的方法(使用FLUENT软件及可压缩形式的N-S方程,采用SIMPLEC求解有限差分方程,选用标准k-ε湍流模型,多相流模型选用FLUENT自带的VOF(volumeoffluid)模型),对其在注入油管内发生沸腾液体扩展蒸气云爆炸(BLEVE)事故的初期过程进行模拟计算,建立并验证合理可靠的数学模型,分析容器内流场演化过程及压力、温度的变化过程,揭示超临界CO2BLEVE过程的发生机理与变化规律。

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