Three-dimensional modelling of industrial flashing flows
by C.A. Marsh, A.P. O'Mahony
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 9, No. 6/7, 2009

Abstract: This paper summarises the development and validation of a three-dimensional numerical flashing flow model for use in industrial applications. The flashing flow process was modelled using the commercial CFD code FLUENT, with a User-Defined Scalar (UDS) transport equation used for bubble nucleation and transport. Predicted mass flow rates, vapour fractions and pressures were compared with values observed experimentally. The CFD model was also used to simulate a piping system connecting two industrial flash tanks at Rusal Aughinish in which flashing occurs owing to reduction in pressure. The calculated mass flows are within 5% of the estimated plant flows.

Online publication date: Tue, 21-Jul-2009

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