Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.9/2002
Título: A dynamic two phase flow model for a pilot scale sodium borohydride hydrogen generation reactor
Autor: Sousa, T.
Rangel, C. M.
Palavras-chave: Sodium Borohydride
Hydrogen Storage
Two-phase Flow
Reactor Simulation
Data: 2013
Citação: Sousa, T.; Rangel, C.M. A dynamic two phase flow model for a pilot scale sodium borohydride hydrogen generation reactor. In: HYCELTEC'2013 - IV Iberian Symposium on Hydrogen, Fuel Cells and Advanced Batteries, Book of Abstracts, Estoril, 26-28 June, 2013
Resumo: A two-dimensional, non-isothermal, and dynamic model was developed to describe a sodium borohydride/hydrogen re-actor for stationary use. All relevant transport phenomena were treated in detail and the kinetic model developed previ-ously by the authors was introduced into the algorithm. In this paper the reactive solution was modeled as a two phase flow; with this approach the impact of the hydrogen production on the solution stirring could be observed and quantified. Results showed that not all ruthenium deposited on the nickel foam was used efficiently as catalyst. In fact, most of the reaction occurred in the surface of the catalyst foam and around 70% of the deposited catalyst was not used. It was also demonstrated the importance of the two phase flow approach for a correct simulation of the solution stirring and heat transfer.
URI: http://hdl.handle.net/10400.9/2002
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