Abstract
Although pipe transport for storage of CO2 captured from combustion exhaust is most efficient under supercritical conditions, subcritical multi-phase transport might sometimes occur intentionally or unintentionally. To adequately assess the consequences of subcriticality, the fidelity of subcritical multi-phase turbulent transport modeling, including confinement and buoyancy effects, must be improved. For this reason, an extension of one-dimensional turbulence, a stochastic turbulence modeling strategy, for application to this regime is underway. As a step toward this extension, a turbulent liquid jet issuing from a planar channel is simulated and results are compared with liquid jet measurements and channel flow numerical simulations. A previously noted turbulence decay scaling is reproduced, suggesting that the scaling is more robust than might be supposed, given the complicating factors. This work provides a basis for extension to the primary breakup regime of liquid jets and hence to subcritical multi-phase turbulence more generally.
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GeoEn-II project http://www.geoen.de.
ODT Research Group - https://sites.google.com/site/odtresearch/codes.
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Acknowledgments
Financial support to this study was provided by the Federal Ministry of Education and Research (BMBF) within the GeoEn-II project (03G0671A-C) and by the Deutsche Forschungsgemeinschaft (DFG) within the SPP 1276 MetStröm.
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Schulz, F.T., Glawe, C., Schmidt, H. et al. Toward modeling of CO2 multi-phase flow patterns using a stochastic multi-scale approach. Environ Earth Sci 70, 3739–3748 (2013). https://doi.org/10.1007/s12665-013-2461-5
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DOI: https://doi.org/10.1007/s12665-013-2461-5