A novel dynamic modeling methodology for boil-off gas recondensers in liquefied natural gas terminals. Lee, S., Jeon, J., Lee, U., Lee, C., & Han, C. Journal of Chemical Engineering of Japan, 2015. doi abstract bibtex © 2015 The Society of Chemical Engineers, Japan. In a liquefied natural gas (LNG) terminal operation, the reduction of boil-off gas (BOG) is critical for economy and safety. The BOG recondenser, which is a key piece of equipment for dealing with BOG, is commonly used in receiving terminals. The dynamic behavior of a BOG recondenser is complex and difficult to stabilize. Therefore, an exact dynamic model of the equipment needs to be developed that will help improve the operation. In this research, we propose an advanced dynamic modeling methodology for BOG recondensers using HYSYS dynamics to achieve better accuracy than previous studies. The main feature of the proposed methodology is that variable flash efficiency depending on the LNG input rate is allowed, enabling the description of non-equilibrium phenomena inside the recondenser. The proposed methodology was verified by using the operating data from the BOG recondenser in a real terminal, and it showed less than 2% errors in the measurements of the liquid level, temperature, and pressure.
@article{
title = {A novel dynamic modeling methodology for boil-off gas recondensers in liquefied natural gas terminals},
type = {article},
year = {2015},
keywords = {BOG recondenser,Dynamic modeling,Dynamic simulation,HYSYS dynamics,LNG receiving terminal},
volume = {48},
id = {10b94e34-1eb1-3b64-9cf9-c2bbff0fbe07},
created = {2019-02-13T12:19:07.830Z},
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last_modified = {2019-02-13T12:19:07.830Z},
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authored = {true},
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abstract = {© 2015 The Society of Chemical Engineers, Japan. In a liquefied natural gas (LNG) terminal operation, the reduction of boil-off gas (BOG) is critical for economy and safety. The BOG recondenser, which is a key piece of equipment for dealing with BOG, is commonly used in receiving terminals. The dynamic behavior of a BOG recondenser is complex and difficult to stabilize. Therefore, an exact dynamic model of the equipment needs to be developed that will help improve the operation. In this research, we propose an advanced dynamic modeling methodology for BOG recondensers using HYSYS dynamics to achieve better accuracy than previous studies. The main feature of the proposed methodology is that variable flash efficiency depending on the LNG input rate is allowed, enabling the description of non-equilibrium phenomena inside the recondenser. The proposed methodology was verified by using the operating data from the BOG recondenser in a real terminal, and it showed less than 2% errors in the measurements of the liquid level, temperature, and pressure.},
bibtype = {article},
author = {Lee, S. and Jeon, J. and Lee, U. and Lee, C.-J. and Han, C.},
doi = {10.1252/jcej.14we201},
journal = {Journal of Chemical Engineering of Japan},
number = {10}
}
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In a liquefied natural gas (LNG) terminal operation, the reduction of boil-off gas (BOG) is critical for economy and safety. The BOG recondenser, which is a key piece of equipment for dealing with BOG, is commonly used in receiving terminals. The dynamic behavior of a BOG recondenser is complex and difficult to stabilize. Therefore, an exact dynamic model of the equipment needs to be developed that will help improve the operation. In this research, we propose an advanced dynamic modeling methodology for BOG recondensers using HYSYS dynamics to achieve better accuracy than previous studies. The main feature of the proposed methodology is that variable flash efficiency depending on the LNG input rate is allowed, enabling the description of non-equilibrium phenomena inside the recondenser. The proposed methodology was verified by using the operating data from the BOG recondenser in a real terminal, and it showed less than 2% errors in the measurements of the liquid level, temperature, and pressure.","bibtype":"article","author":"Lee, S. and Jeon, J. and Lee, U. and Lee, C.-J. and Han, C.","doi":"10.1252/jcej.14we201","journal":"Journal of Chemical Engineering of Japan","number":"10","bibtex":"@article{\n title = {A novel dynamic modeling methodology for boil-off gas recondensers in liquefied natural gas terminals},\n type = {article},\n year = {2015},\n keywords = {BOG recondenser,Dynamic modeling,Dynamic simulation,HYSYS dynamics,LNG receiving terminal},\n volume = {48},\n id = {10b94e34-1eb1-3b64-9cf9-c2bbff0fbe07},\n created = {2019-02-13T12:19:07.830Z},\n file_attached = {false},\n profile_id = {e2d2f261-b93b-3381-802e-ec4f45d345ec},\n last_modified = {2019-02-13T12:19:07.830Z},\n read = {false},\n starred = {false},\n authored = {true},\n confirmed = {false},\n hidden = {false},\n private_publication = {false},\n abstract = {© 2015 The Society of Chemical Engineers, Japan. In a liquefied natural gas (LNG) terminal operation, the reduction of boil-off gas (BOG) is critical for economy and safety. The BOG recondenser, which is a key piece of equipment for dealing with BOG, is commonly used in receiving terminals. The dynamic behavior of a BOG recondenser is complex and difficult to stabilize. Therefore, an exact dynamic model of the equipment needs to be developed that will help improve the operation. In this research, we propose an advanced dynamic modeling methodology for BOG recondensers using HYSYS dynamics to achieve better accuracy than previous studies. The main feature of the proposed methodology is that variable flash efficiency depending on the LNG input rate is allowed, enabling the description of non-equilibrium phenomena inside the recondenser. 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