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化工学报  2015 

液化天然气泄漏和水面扩散过程模拟

DOI: 10.11949/j.issn.0438-1157.20150703, PP. 213-219

Keywords: 液化天然气,泄漏,扩散,相变,传质,汽化

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Abstract:

基于微分浅水方程对液化天然气(LNG)从不同类型的储罐中泄漏并在水面扩散的过程进行了模拟。通过低温液体扩散形成的液池的最大半径和生命周期对出流孔尺寸、液池形状和储罐形状进行了评估。对泄漏量为12500m3的LNG泄漏过程的模拟计算表明,液池的最大半径与出流孔径表现出较好的Boltzmann非线性关系。对不同形状的液池和不同形状的储罐进行模拟分析表明,用半圆形液池来代替不断变化形状的液池和用立方体储罐简化球形储罐都是可取的。此外,模拟结果还与积分浅水模型的计算结果进行了对比,结果表明,基于平均深度的积分浅水模型相对于微分浅水模型会得出较大的液池半径。

References

[1]  Spaulding M L,Swanson J C,Jayko K,Whittier N.An LNG release,transport,and fate model system for marine spills[J].Journal of Hazardous Materials,2007,140(3):488-503.
[2]  Zhang Lijing(张礼敬),Ding Li(丁立),Tao Gang(陶刚).Simulation of accident consequences of liquefied chlorine pipeline leakage[J].Journal of Chemical Industry and Engineering(China)(化工学报),2008,59(5):1333-1337.
[3]  Liu Zhongliang(刘中良),Luo Zhiyun(罗志云),Wang Jieteng(王皆腾),Zhang Jian(张建),Sun Xiaochun(孙晓春).Analytical calculation of leakage rate for natural gas pipelines[J].Journal of Chemical Industry and Engineering(China)(化工学报),2008,59(8):2121-2126.
[4]  Pan Xu(潘旭),Jiang Juncheng(蒋军成).Research on discharging dispersion of chemical dangerous gases and its influence factors[J].Journal of Nanjing University of Chemical Technology(南京化工大学学报),2001,23(1):19-22.
[5]  Fannelop T K,Waldman G D.Dynamics of oil slicks[J]. American Institute of Aeronautics and Astronautics Journal,1972,10(4):506-510.
[6]  Fay J A.Spread of large LNG pools on the sea[J].Journal of Hazardous Materials,2007,140(3):541-551.
[7]  Ivings M,Lea C,Webber D,Jagger S,Coldrick S.A protocol for the evaluation of LNG vapour dispersion models[J].Journal of Loss Prevention in the Process Industries,2013,26(1):153-163.
[8]  Parihar A,Vergara C,Clutter J K.Methodology for conse-quence analysis of LNG releases at deepwater port facilities[J].Safety Science,2011,49(5):686-694.
[9]  Webber D.Source terms[J].Journal of Loss Prevention in the Process Industries,1991,4(1):5-15.
[10]  Brambilla S,Manca D.Accidents involving liquids:a step ahead in modeling pool spreading,evaporation and burning[J].Journal of Hazardous Materials,2009,161(2/3):1265-1280.
[11]  Subramani A,Jayanti S,Shet U S P,Selvaraj P.Dynamics of liquid sodium pool spreading under sodium fire conditions[J].Nuclear Engineering and Design,2009,239(7):1354-1361.
[12]  Khajehnajafi S,Pourdarvish R.Correlations for mass transfer from a liquid spill:comparisons and recommendations[J].Process Safety Progress,2011,30(2):178-184.
[13]  Verfondern K,Dienhart B.Pool spreading and vaporization of liquid hydrogen[J].International Journal of Hydrogen Energy,2007,32(13):2106-2117.
[14]  Qiao Yuanhua,West H H,Mannan M S,Johnson D W,Cornwell J B.Assessment of the effects of release variables on the consequences of LNG spillage onto water using FERC models[J].Journal of Hazardous Materials,2006,130(1/2):155-162.
[15]  Verfondern K,Dienhart B.Experimental and theoretical in-vestigation of liquid hydrogen pool spreading and vaporization[J].International Journal of Hydrogen Energy,1997,22(7):649-660.
[16]  Raj P K.Evaporating liquid flow in a channel(an integral model based on shallow water flow approximation)[J].Jour-nal of Loss Prevention in the Process Industries,2011,24(6):886-899.
[17]  Saraf S,Melhem G.Modeling LNG pool spreading and vapo-rization//Proceedings of the AIChE Spring Meeting,ioMosaic Corporation[C].Atlanta,GA,2005.
[18]  Woodward J L,Pitbaldo R.LNG Risk Based Safety:Mode-ling and Consequence Analysis[M].New York:John Wiley & Sons,2010.
[19]  Fay J A.Model of spills and fires from LNG and oil tankers[J].Journal of Hazardous Materials,2003,96(2):171-188.
[20]  Lehr W,Simecek-Beatty D.Comparison of hypothetical LNG and fuel oil fires on water[J].Journal of Hazardous Materials,2004,107(1):3-9.
[21]  Pitblado R,Baik J,Hughes G,Ferro C,Shaw S.Conse-quences of liquefied natural gas marine incidents[J].Process Safety Progress,2005,24(2):108-114.

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