C型独立舱液货罐热分析 |
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作者姓名: | 石玉美 沈菊华 邹荡平 秦天怡 |
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作者单位: | 上海交通大学 机械与动力工程学院,上海 200240;上海铠韧气体工程股份有限公司,上海 200441 |
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摘 要: | 对32 000 m^3液化气船C型独立舱中的1号液货罐进行漏热量分析(该液货罐的体积为9 416 m^3),对液货罐的筒体、封头、固定端鞍座、滑动端鞍座、止浮装置、气室和管路进行热分析,计算得到液货罐的漏热量为44.24 kW,液货蒸发量为8 025.7 kg/d,进而计算得到液货罐的静态日蒸发率为0.15%/d。在各漏热环节中,罐体的漏热量占75.1%,通过鞍座及两侧不规则绝热层的漏热量占19.4%,其他部分的漏热量占比均较小。
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关 键 词: | C型独立舱 漏热量 蒸发率 |
Thermal Analysis of Type C Independent Tank |
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Authors: | SHI Yumei SHEN Juhua ZOU Dangping QIN Tianyi |
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Institution: | (School of Mechanical Engineering,Shanghai Jiao Tong University,Shanghai 200240,China;Cryolobe Gas Technology Co.,Ltd.,Shanghai 200441,China) |
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Abstract: | An analysis is carried out to make clear the heat leakage of No.1 liquid cargo tank(with a volume of 9416 m^3)in the 32000m3 type C independent tank,which includes thermal analysis of the tank cylinder,end socket,fixed end saddle,sliding end saddle,anti-floating devices,air chamber and the pipelines.Calculation shows that the heat leaked is 44.24kW,the liquid cargo evaporation is 8025.7 kg/d,and the static evaporation rate is 0.15%/d.Among the leakages,the tank body accounts for 75.1%,the saddles and the irregular insulation layers at both sides account for 19.4%,while the leakage from the rest components are not much. |
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Keywords: | type C independent tank heat leakage evaporation rate |
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