Simulation analysis on temperature field for B type LNG carrier

doi:10.11949/j.issn.0438-1157.20150728

CIESC Journal ›› 2015, Vol. 66 ›› Issue (S2): 153-157.DOI: 10.11949/j.issn.0438-1157.20150728

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Simulation analysis on temperature field for B type LNG carrier

FU Yunzhun^1,2, QI Liang¹, JU Yonglin², DU Xinghui¹

1. School of Mechanical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China;
2. Institute of Refrigeration and Cryogenics, Shanghai Jiao Tong University, Shanghai 200240, China

Received:2015-05-27 Revised:2015-06-26 Online:2015-08-31 Published:2015-08-31
Supported by:
supported by the Hi-tech Ship Research Project of Ministry of Industry and Information Technology.

LNG船B型液货舱温度场模拟分析

傅允准^1,2, 祁亮¹, 巨永林², 杜兴慧¹

1. 上海工程技术大学机械工程学院, 上海 201620;
2. 上海交通大学制冷与低温工程研究所, 上海 200240

通讯作者: 巨永林
基金资助:
工业和信息化部高技术船舶科研项目。

Abstract

Abstract:

The structure of B type LNG carrier was introduced,and the calculation model was established.Then,the distribution of temperature field and velocity field and heat transfer calculation were analyzed in six kinds of conditions using the method of CFD numerical simulation.In addition,the boil-off rate in different conditions was calculated.The results show that the boil-off rate of the LNG carrier was no more than the goal of 0.1% per day when the thickness of the insulating layer was 350 mm and the LNG tanker system was intact.The research results provided an important reference and consulting for the supporting system of insulation design and innovation of LNG carrier.

Key words: natural gas, numerical analysis, heat transfer, temperature distribution, boil-off rate

摘要：

介绍了液化天然气B型液货舱的结构,建立液货舱计算模型。然后,采用CFD数值模拟方法,计算分析了6种工况下LNG船液货舱的温度场分布和速度场分布以及传热量情况,并计算出了不同工况下的日蒸发率。研究结果表明在绝热层厚度350 mm且完好的情况下,LNG液货舱达到了日蒸发率不超过0.1%·d^-1的设计目标。研究结果为LNG船围护系统绝热设计和创新提供重要的参考。

关键词: 天然气, 数值模拟, 传热, 温度分布, 日蒸发率

CLC Number:

U674.13⁺3.3

FU Yunzhun, QI Liang, JU Yonglin, DU Xinghui. Simulation analysis on temperature field for B type LNG carrier[J]. CIESC Journal, 2015, 66(S2): 153-157.

傅允准, 祁亮, 巨永林, 杜兴慧. LNG船B型液货舱温度场模拟分析[J]. 化工学报, 2015, 66(S2): 153-157.

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Simulation analysis on temperature field for B type LNG carrier

LNG船B型液货舱温度场模拟分析

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