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    ARTICLE

    VAPOUR ABSORPTION PROCESS IN AN NH3/LINO3 BUBBLE ABSORBER USING AN OPTIMIZED CFD MODEL

    Andrés Zapataa , Carlos Amarisb,*, Alexis Sagastumea, Andrés Rodrígueza

    Frontiers in Heat and Mass Transfer, Vol.19, pp. 1-9, 2022, DOI:10.5098/hmt.19.33

    Abstract The present study aims to assess the vapour bubble absorption into the ammonia/lithium nitrate (NH3/LiNO3) solution by using an optimized CFD model. A detailed methodology to build up the CFD model is presented, as well as its validation using experimental data. The operating conditions set corresponds to an absorption chiller driven by low-temperature heat sources such as solar energy in warm environments. Results evidenced that the Volume of Fluid and Mixture models are adequate to be used in the CFD model to predict the absorption process in the bubble absorber assessed depending on the mesh density More >

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