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Measurement and modelling of the near-field structure of large-scale sonic CO2 releases from pipelines

Abstract : The work presented in this paper describes a novel multi-phase discharge and dispersion model capable of predicting the near-field fluid dynamics and phase-transition phenomena associated with accidental CO2 releases. Also presented in this paper are previously unpublished data describing the near-field structure of a number of largescale CO2 experimental releases, obtained through the EU-FP7 CO2PipeHaz (2009) project. The calculations employed an adaptive finite-volume grid algorithm to solve the Favre-averaged fluid-flow equations. This equation set was closed with the inclusion of both a two-equation k-e model and a second-moment Reynolds stress model to represent turbulent fluctuations. Results demonstrate the superior performance of the Reynolds stress transport model when compared to its compressibility-corrected counterpart.
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Robert M. Woolley, Michael Fairweather, Christopher J. Wareing, Samuel A.E.G. Falle, Christophe Proust, et al.. Measurement and modelling of the near-field structure of large-scale sonic CO2 releases from pipelines. 24. European symposium on computer aided process engineering (ESCAPE 24), Jun 2014, Budapest, Hungary. ⟨ineris-01863824⟩

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