Computational Modelling and Optimisation of Carbon Capture Reactors, Daniel Sebastiá Sáez, Cranfield University - UKCCSRC Strathclyde Biannual 8-9 September 2015
Computational Modelling and Optimisation of Carbon Capture Reactors, Daniel Sebastiá Sáez, Cranfield University - UKCCSRC Strathclyde Biannual 8-9 September 2015
NIPS machine learning in computational biology presentation
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Computational Modelling and Optimisation of Carbon Capture Reactors, Daniel Sebastiá Sáez, Cranfield University - UKCCSRC Strathclyde Biannual 8-9 September 2015
1. CFD modelling of a post-
combustion CCS
absorber
Daniel Sebastià
PhD student
Supervisor: Prof. Sai Gu
s.gu@surrey.ac.uk
2. Presentation
outline
Project
goal
Project
goal
How to model
the absorber?
The three-scales
strategy
How to model
the absorber?
The three-scales
strategy
Results:
micro-scale
meso-scale
macro-scale
Results:
micro-scale
meso-scale
macro-scale
Conclusions
and
publications
Conclusions
and
publications
4. How to model the
absorber? The
three scales
strategy
Micro-scale:
2D
simulations
Interface
tracking
Micro-scale:
2D
simulations
Interface
tracking
Meso-scale:
Small set of
REUs. Dry
pressure drop
Meso-scale:
Small set of
REUs. Dry
pressure drop
Macro-scale:
Porous medium.
Liquid
dispersion
Macro-scale:
Porous medium.
Liquid
dispersion
19. Conclusions
The present model successfully represents:
• CO2-MEA reaction kinetics
• Liquid maldistribution and dispersion
• Liquid hold-up
• Effective area
• Pressure drop
20. PUBLICATIONS:
1. D. Sebastia-Saez, S. Gu, P. Ranganathan, K. Papadikis. 3D modelling of hydrodynamics
and physical mass transfer characteristics of liquid film flows in structured packing elements.
International Journal of Greenhouse Gas Control, 19:492-502, 2013.
2. D. Sebastia-Saez, S. Gu, P. Ranganathan, K. Papadikis. Micro-scale CFD study about the
influence of operative parameters on physical mass transfer within structured packing
elements. International Journal of Greenhouse Gas Control, 28:180-188, 2014.
3. D. Sebastia-Saez, S. Gu, P. Ranganathan. Volume of fluid modelling of the reactive mass
transfer of CO2 into aqueous amine solutions in structured packed elements at micro-scale.
Energy Procedia, 63: 1229-1242, 2014.
4. D. Sebastia-Saez, S. Gu, P. Ranganathan, K. Papadikis. Micro-scale CFD modelling of
reactive mass transfer in falling liquid films within structured packing materials. International
Journal of Greenhouse Gas Control, 33: 40-50, 2015.
5. D. Sebastia-Saez, S. Gu, P. Ranganathan, K. Papadikis. Meso-scale CFD study of the
pressure drop, liquid hold-up, interfacial area and mass transfer of structured packing
materials. International Journal of Greenhouse Gas Control. Accepted.