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Titre: Radiation Effects on Boil-Off-Gas in an Above Ground LNG Storage Tank
Auteur(s): Cherifi, Mohammed
Benbrik, Abderrahmane
Mots-clés: LNG storage tank
Boil-Off-Gas
Surfaces Radiation
Radiosity
Storage conditions
Date de publication: 2019
Editeur: IEOM Society International
Collection/Numéro: Proceedings of the International Conference on Industrial Engineering and Operations Management Toronto, Canada, October 23-25, 2019;
Résumé: This study deals with evaporation phenomenon of liquefied natural gas (LNG) during its storage in an above ground tank. The LNG is stored at -162°C in heavily thermally insulated tanks. Due to imperfect insulation, heat leaks from the surrounded environment cause substantial losses by evaporation. The rate of generated vapors (Boil-off-Gas) depends essentially on the storage conditions (composition of the LNG, storage pressure, materials and dimensions of the tank, climatic conditions of surrounded environment, etc.). The objective of the present study is the evaluation of the radiation heat transfer from sidewall surface to LNG liquid surface under real storage conditions relevant to the Skikda’s liquefaction plant during in Algeria. Three different relative positions of the liquid surface corresponding to three LNG filling level in the tank were considered. The results show that the radiative heat transfer mode plays an important role in the evaporation phenomenon (more than 50% of the total heat leakages). The results we have obtained tend to confirm that the thermal radiation cannot be neglected
URI/URL: http://dlibrary.univ-boumerdes.dz:8080/handle/123456789/6071
ISSN: 2691-7726
Collection(s) :Communications Internationales

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