Communication Dans Un Congrès Année : 2015

Energy study of CO2 hydrate slurries formation in a tank reactor

Etude énergétique des coulis d'hydrates de CO2 dans un réacteur de formation

Résumé

The work performed at Irstea investigates the use of CO2 hydrates slurries as phase change materials. A tank with a pilot loop is used to form slurries by subcooling. Several studies (thermal, rheological) were carried out to evaluate slurries characteristics useful for a complete energy study of the system. The aim of this paper is to present the modelling of a device for hydrate slurries formation including a tank reactor and a loop. Finite volume method with implicit time discretization scheme is used. This model allows predicting the slurry temperature evolution; it is validated by experimental data on a hydrate formation during a cooling process. The energy balance is performed to evaluate the storage efficiency and the heat losses through the reactor wall.

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Dates et versions

hal-01548847 , version 1 (28-06-2017)

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J. Oignet, Anthony Delahaye, T. Dufour, Hong-Minh Hoang, P. Clain, et al.. Energy study of CO2 hydrate slurries formation in a tank reactor. 24e Congrès International du Froid de l'IIF (ICR2015), Aug 2015, Yokohama, Japan. pp.8. ⟨hal-01548847⟩

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