From the case study, the nature defects of single-hull vessel were discussed to compare the safety level between single-hull vessel and double-hull vessel. Data was chosen from both investigation and research from ABS...From the case study, the nature defects of single-hull vessel were discussed to compare the safety level between single-hull vessel and double-hull vessel. Data was chosen from both investigation and research from ABS, as well as simulation by similar kind of vessel in model calculation. The study underscores the main defects of single-hull vessel for prevention of their losses, mentioning the most importa</span><span style="font-family:Verdana;"></span><span style="font-family:"">nt measures taken by IMO for improvement of vessel safety. In the work, a critical analysis of the methodology of the International Association of Classification Societies (IACS) for calculation of sectional efforts induced by waves in vessel’s hull is described. In the end, the advantage of double-hull vessel was determined and the reason to eliminate single-hull vessel was proved again.展开更多
为了对国内自主开发的反应堆严重事故一体化分析程序MOSAP(Modular Severe accident Analysis Program)的堆内早期现象分析模型进行验证,分别利用MOSAP程序和国际通用严重事故分析程序,对国际标准题ISP31和ISP46实验进行了建模计算。将M...为了对国内自主开发的反应堆严重事故一体化分析程序MOSAP(Modular Severe accident Analysis Program)的堆内早期现象分析模型进行验证,分别利用MOSAP程序和国际通用严重事故分析程序,对国际标准题ISP31和ISP46实验进行了建模计算。将MOSAP程序计算获得的燃料和控制棒温度、氢气产生以及主要放射性核素释放率等参数计算结果,与实验和国际通用程序计算结果进行对比和分析。结果表明:MOSAP程序计算结果与实验和国际通用程序计算结果均符合性良好,主要参数计算值与实验值偏差在20%以内。表明自主开发的MOSAP程序能够实现堆芯过热,燃料、包壳和控制棒氧化,以及裂变产物释放等严重事故堆内主要早期现象的模拟。展开更多
自从国际海事组织的目标型船舶建造标准(goal based standard,GBS)方法论被成功应用于国际船级社协会的油船和散货船船体结构规范以来,GBS方法论已逐渐推广至各海事领域和所有海船船型的规范编制中。该文综述了GBS方法论在国内外海船规...自从国际海事组织的目标型船舶建造标准(goal based standard,GBS)方法论被成功应用于国际船级社协会的油船和散货船船体结构规范以来,GBS方法论已逐渐推广至各海事领域和所有海船船型的规范编制中。该文综述了GBS方法论在国内外海船规范研究中的发展动态,深入剖析了GBS船体结构规范的技术特性,并据此提出了中国船级社海船船体结构规范体系采纳GBS方法的框架方案。展开更多
为了构建渔业船联网(Fishery Vessel Internet of Things,FVIoT)标准体系,指导渔业船联网领域标准编制工作开展,通过分析渔业船联网国内外标准体系现状,借鉴已有标准体系的成功经验和框架结构,提出渔业船联网标准体系建设建议,为后续渔...为了构建渔业船联网(Fishery Vessel Internet of Things,FVIoT)标准体系,指导渔业船联网领域标准编制工作开展,通过分析渔业船联网国内外标准体系现状,借鉴已有标准体系的成功经验和框架结构,提出渔业船联网标准体系建设建议,为后续渔业船联网领域标准编制提供一定参考。展开更多
文摘From the case study, the nature defects of single-hull vessel were discussed to compare the safety level between single-hull vessel and double-hull vessel. Data was chosen from both investigation and research from ABS, as well as simulation by similar kind of vessel in model calculation. The study underscores the main defects of single-hull vessel for prevention of their losses, mentioning the most importa</span><span style="font-family:Verdana;"></span><span style="font-family:"">nt measures taken by IMO for improvement of vessel safety. In the work, a critical analysis of the methodology of the International Association of Classification Societies (IACS) for calculation of sectional efforts induced by waves in vessel’s hull is described. In the end, the advantage of double-hull vessel was determined and the reason to eliminate single-hull vessel was proved again.
文摘为了对国内自主开发的反应堆严重事故一体化分析程序MOSAP(Modular Severe accident Analysis Program)的堆内早期现象分析模型进行验证,分别利用MOSAP程序和国际通用严重事故分析程序,对国际标准题ISP31和ISP46实验进行了建模计算。将MOSAP程序计算获得的燃料和控制棒温度、氢气产生以及主要放射性核素释放率等参数计算结果,与实验和国际通用程序计算结果进行对比和分析。结果表明:MOSAP程序计算结果与实验和国际通用程序计算结果均符合性良好,主要参数计算值与实验值偏差在20%以内。表明自主开发的MOSAP程序能够实现堆芯过热,燃料、包壳和控制棒氧化,以及裂变产物释放等严重事故堆内主要早期现象的模拟。
文摘自从国际海事组织的目标型船舶建造标准(goal based standard,GBS)方法论被成功应用于国际船级社协会的油船和散货船船体结构规范以来,GBS方法论已逐渐推广至各海事领域和所有海船船型的规范编制中。该文综述了GBS方法论在国内外海船规范研究中的发展动态,深入剖析了GBS船体结构规范的技术特性,并据此提出了中国船级社海船船体结构规范体系采纳GBS方法的框架方案。
