Prototype test method for dynamic evaporation in LNG tank containers during shipping

The evaporation of LNG is one of the important factors that influence the transportation safety of tank containers, but the characteristics of dynamic evaporation during shipping have not been clarified yet. The prototype test is the research method that can best reveal the characteristics of dynami...

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Main Authors: Peng YU, Kang CHENG, Qianjin YUE
Format: Article
Language:zho
Published: Editorial Office of Oil & Gas Storage and Transportation 2022-04-01
Series:You-qi chuyun
Subjects:
Online Access:http://yqcy.xml-journal.net/cn/article/doi/10.6047/j.issn.1000-8241.2022.04.010
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author Peng YU
Kang CHENG
Qianjin YUE
author_facet Peng YU
Kang CHENG
Qianjin YUE
author_sort Peng YU
collection DOAJ
description The evaporation of LNG is one of the important factors that influence the transportation safety of tank containers, but the characteristics of dynamic evaporation during shipping have not been clarified yet. The prototype test is the research method that can best reveal the characteristics of dynamic evaporation. However, the loading capacity of existing test methods and equipment cannot meet the requirements of prototype test. Hence, a prototype test system of dynamic evaporation was designed based on the 40 ft (1 ft = 0.304 8 m) LNG tank containers, and a large-tonnage motion simulator platform with single degree of freedom was built. Then, the prototype loading on the physical substructure was realized by motion loading, and the boil-off gas velocity, which served as the indicator to characterize the intensity of evaporation, was measured by an intelligent gas measurement system in real time. As shown by the actual measurement with this system, the proposed prototype test system can be used for the systematic research on the characteristics of dynamic evaporation of tank containers, and ship motion can facilitate the LNG evaporation in tank containers. Generally, the research on the characteristics of dynamic evaporation is of great significance to the safety evaluation of LNG transportation by tank containers.
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spelling doaj.art-f1468062da6a41119a36e6ab4dc5905b2024-04-13T02:28:11ZzhoEditorial Office of Oil & Gas Storage and TransportationYou-qi chuyun1000-82412022-04-0141443143710.6047/j.issn.1000-8241.2022.04.010yqcy-41-4-431Prototype test method for dynamic evaporation in LNG tank containers during shippingPeng YU0Kang CHENG1Qianjin YUE2Faculty of Vehicle Engineering and Mechanics, Dalian University of TechnologyWuhan Rules & Research Institute, China Classification SocietySchool of Ocean Science and Technology, Dalian University of TechnologyThe evaporation of LNG is one of the important factors that influence the transportation safety of tank containers, but the characteristics of dynamic evaporation during shipping have not been clarified yet. The prototype test is the research method that can best reveal the characteristics of dynamic evaporation. However, the loading capacity of existing test methods and equipment cannot meet the requirements of prototype test. Hence, a prototype test system of dynamic evaporation was designed based on the 40 ft (1 ft = 0.304 8 m) LNG tank containers, and a large-tonnage motion simulator platform with single degree of freedom was built. Then, the prototype loading on the physical substructure was realized by motion loading, and the boil-off gas velocity, which served as the indicator to characterize the intensity of evaporation, was measured by an intelligent gas measurement system in real time. As shown by the actual measurement with this system, the proposed prototype test system can be used for the systematic research on the characteristics of dynamic evaporation of tank containers, and ship motion can facilitate the LNG evaporation in tank containers. Generally, the research on the characteristics of dynamic evaporation is of great significance to the safety evaluation of LNG transportation by tank containers.http://yqcy.xml-journal.net/cn/article/doi/10.6047/j.issn.1000-8241.2022.04.010lngprototype testtank containersdynamic evaporationwater-land multimodal transportation
spellingShingle Peng YU
Kang CHENG
Qianjin YUE
Prototype test method for dynamic evaporation in LNG tank containers during shipping
You-qi chuyun
lng
prototype test
tank containers
dynamic evaporation
water-land multimodal transportation
title Prototype test method for dynamic evaporation in LNG tank containers during shipping
title_full Prototype test method for dynamic evaporation in LNG tank containers during shipping
title_fullStr Prototype test method for dynamic evaporation in LNG tank containers during shipping
title_full_unstemmed Prototype test method for dynamic evaporation in LNG tank containers during shipping
title_short Prototype test method for dynamic evaporation in LNG tank containers during shipping
title_sort prototype test method for dynamic evaporation in lng tank containers during shipping
topic lng
prototype test
tank containers
dynamic evaporation
water-land multimodal transportation
url http://yqcy.xml-journal.net/cn/article/doi/10.6047/j.issn.1000-8241.2022.04.010
work_keys_str_mv AT pengyu prototypetestmethodfordynamicevaporationinlngtankcontainersduringshipping
AT kangcheng prototypetestmethodfordynamicevaporationinlngtankcontainersduringshipping
AT qianjinyue prototypetestmethodfordynamicevaporationinlngtankcontainersduringshipping