Article(id=1240655517878644756, tenantId=1146029695717560320, journalId=1240618002186551303, issueId=1240655508231746242, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1000-4653.2025.02.015, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1716912000000, receivedDateStr=2024-05-29, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773724925727, onlineDateStr=2026-03-17, pubDate=1750780800000, pubDateStr=2025-06-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773724925727, onlineIssueDateStr=2026-03-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773724925727, creator=13701087609, updateTime=1773724925727, updator=13701087609, issue=Issue{id=1240655508231746242, tenantId=1146029695717560320, journalId=1240618002186551303, year='2025', volume='48', issue='2', pageStart='1', pageEnd='180', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773724923427, creator=13701087609, updateTime=1773725151164, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1240656463488667953, tenantId=1146029695717560320, journalId=1240618002186551303, issueId=1240655508231746242, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1240656463492862258, tenantId=1146029695717560320, journalId=1240618002186551303, issueId=1240655508231746242, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=118, endPage=126, ext={EN=ArticleExt(id=1240655519657029695, articleId=1240655517878644756, tenantId=1146029695717560320, journalId=1240618002186551303, language=EN, title=Validity evaluation of calculation model of LNG water leakage consequences based on CFD, columnId=1240655020656489358, journalTitle=Navigation of China, columnName=Green Shipping, runingTitle=null, highlight=null, articleAbstract=

With the increasing proportion of inland LNG fuel in the energy structure under China's "dual-carbon strategy", the consequences of LNG leakage on water surfaces have become a primary risk factor in its promotion and operational processes. While some studies have verified the validity of LNG ground leakage models, the heat exchange process between water surfaces and LNG is far more intense than on land, and its impact on leakage consequences cannot be overlooked. Based on existing research, this paper proposes a heat transfer simulation method for LNG leakage on water surfaces, integrating a multiphase flow model, turbulent diffusion model, and combustion model. Using data from large-scale LNG water leakage tests (Falcon-1 and Phoenix-1), statistical parameters such as FB, MG, VG, MRSE, NMSE, and FAC2 are employed as quantitative evaluation metrics to assess LNG leakage behavior and its effects. The results demonstrate that when simulating LNG waterborne leakage, diffusion, and combustion using this method, the quantitative evaluation indices meet the model validity criteria. This confirms that the model can effectively predict the consequences of LNG waterborne leakage, providing critical insights for policymaking related to inland waterway LNG operations and fuel safety. Thus, the model can serve as a reliable tool for future LNG waterborne leakage simulations.

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随着国家“双碳”目标下内河液化天然气(LNG)燃料在能源结构中的占比不断提高,LNG水上泄漏后果成为其推广营运过程中首要考虑的风险因素。已有研究对LNG地面泄漏模型的有效性进行验证,然而与地面相比,水面与LNG之间存在剧烈的热交换过程,其对LNG泄漏后果的影响不可忽略。在已有研究成果的基础上,提出LNG水上泄漏水面传热模拟方法,耦合多相流模型、湍流扩散模型和燃烧模型等,利用大型LNG水上泄漏试验Falcon-1号试验和Phoenix-1号试验数据,引入相对偏差(FB)、几何平均偏差(MG)、几何平均方差(VG)、相对均方误差(MRSE)、归一化的均方误差(NMSE)和FAC2等统计学参数作为定量评价指标,对LNG水上泄漏后果计算模型进行有效性验证。结果表明:基于LNG水上泄漏水面传热模拟方法对LNG水上泄漏扩散和燃烧后果进行模拟时,各定量评价统计指标的取值均能满足模型有效性评价标准的要求,该模型未来可有效应用于LNG水上泄漏后果仿真模拟中,对LNG燃料内河营运相关政策的制定和其安全保障也具有重要的意义。

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黄立文(1963—),男,教授,博士,研究方向为智能航行。E-mail:
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谢澄(1988—),男,助理研究员,研究方向为交通环境和安全保障。E-mail:

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谢澄(1988—),男,助理研究员,研究方向为交通环境和安全保障。E-mail:

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基于CFD的LNG水上泄漏后果计算模型的有效性评价
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谢澄 1, 2 , 孙兰心 1 , 郝国柱 1 , 汪瑞 1 , 朱明昌 1 , 黄立文 1, 2
中国航海 | 绿色航运 2025,48(2): 118-126
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中国航海 | 绿色航运 2025, 48(2): 118-126
基于CFD的LNG水上泄漏后果计算模型的有效性评价
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谢澄1, 2 , 孙兰心1, 郝国柱1, 汪瑞1, 朱明昌1, 黄立文1, 2
作者信息
  • 1.武汉理工大学 航运学院,湖北 武汉 430063
  • 2.武汉理工大学 内河航运技术湖北省重点实验室,湖北 武汉 430063
  • 谢澄(1988—),男,助理研究员,研究方向为交通环境和安全保障。E-mail:

通讯作者:

黄立文(1963—),男,教授,博士,研究方向为智能航行。E-mail:
Validity evaluation of calculation model of LNG water leakage consequences based on CFD
Cheng XIE1, 2 , Lanxin SUN1, Guozhu HAO1, Rui WANG1, Mingchang ZHU1, Liwen HUANG1, 2
Affiliations
  • 1.School of Navigation, Wuhan University of Technology, Wuhan 430063, China
  • 2.Hubei Key Laboratory of Inland Shipping Technology, Wuhan University of Technology, Wuhan 430063, China
出版时间: 2025-06-25 doi: 10.3969/j.issn.1000-4653.2025.02.015
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随着国家“双碳”目标下内河液化天然气(LNG)燃料在能源结构中的占比不断提高,LNG水上泄漏后果成为其推广营运过程中首要考虑的风险因素。已有研究对LNG地面泄漏模型的有效性进行验证,然而与地面相比,水面与LNG之间存在剧烈的热交换过程,其对LNG泄漏后果的影响不可忽略。在已有研究成果的基础上,提出LNG水上泄漏水面传热模拟方法,耦合多相流模型、湍流扩散模型和燃烧模型等,利用大型LNG水上泄漏试验Falcon-1号试验和Phoenix-1号试验数据,引入相对偏差(FB)、几何平均偏差(MG)、几何平均方差(VG)、相对均方误差(MRSE)、归一化的均方误差(NMSE)和FAC2等统计学参数作为定量评价指标,对LNG水上泄漏后果计算模型进行有效性验证。结果表明:基于LNG水上泄漏水面传热模拟方法对LNG水上泄漏扩散和燃烧后果进行模拟时,各定量评价统计指标的取值均能满足模型有效性评价标准的要求,该模型未来可有效应用于LNG水上泄漏后果仿真模拟中,对LNG燃料内河营运相关政策的制定和其安全保障也具有重要的意义。

液化天然气水上泄漏  /  液化天然气试验  /  计算流体动力学模型  /  统计偏差分析  /  有效性评价

With the increasing proportion of inland LNG fuel in the energy structure under China's "dual-carbon strategy", the consequences of LNG leakage on water surfaces have become a primary risk factor in its promotion and operational processes. While some studies have verified the validity of LNG ground leakage models, the heat exchange process between water surfaces and LNG is far more intense than on land, and its impact on leakage consequences cannot be overlooked. Based on existing research, this paper proposes a heat transfer simulation method for LNG leakage on water surfaces, integrating a multiphase flow model, turbulent diffusion model, and combustion model. Using data from large-scale LNG water leakage tests (Falcon-1 and Phoenix-1), statistical parameters such as FB, MG, VG, MRSE, NMSE, and FAC2 are employed as quantitative evaluation metrics to assess LNG leakage behavior and its effects. The results demonstrate that when simulating LNG waterborne leakage, diffusion, and combustion using this method, the quantitative evaluation indices meet the model validity criteria. This confirms that the model can effectively predict the consequences of LNG waterborne leakage, providing critical insights for policymaking related to inland waterway LNG operations and fuel safety. Thus, the model can serve as a reliable tool for future LNG waterborne leakage simulations.

LNG water leakage  /  LNG test  /  CFD model  /  statistical deviation analysis  /  validity evaluation
谢澄, 孙兰心, 郝国柱, 汪瑞, 朱明昌, 黄立文. 基于CFD的LNG水上泄漏后果计算模型的有效性评价. 中国航海, 2025 , 48 (2) : 118 -126 . DOI: 10.3969/j.issn.1000-4653.2025.02.015
Cheng XIE, Lanxin SUN, Guozhu HAO, Rui WANG, Mingchang ZHU, Liwen HUANG. Validity evaluation of calculation model of LNG water leakage consequences based on CFD[J]. Navigation of China, 2025 , 48 (2) : 118 -126 . DOI: 10.3969/j.issn.1000-4653.2025.02.015
  • 国家自然科学基金面上项目(52471382)
  • 湖北省自然科学基金计划项目(2023AFB148)
2025年第48卷第2期
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doi: 10.3969/j.issn.1000-4653.2025.02.015
  • 接收时间:2024-05-29
  • 首发时间:2026-03-17
  • 出版时间:2025-06-25
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  • 收稿日期:2024-05-29
基金
国家自然科学基金面上项目(52471382)
湖北省自然科学基金计划项目(2023AFB148)
作者信息
    1.武汉理工大学 航运学院,湖北 武汉 430063
    2.武汉理工大学 内河航运技术湖北省重点实验室,湖北 武汉 430063

通讯作者:

黄立文(1963—),男,教授,博士,研究方向为智能航行。E-mail:
参考文献
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https://castjournals.cast.org.cn/joweb/zghh/CN/10.3969/j.issn.1000-4653.2025.02.015
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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