The analysis of gas-particle flows is complicated by the need to account for momentum and energy coupling between phases. The concept of regarding the particle phase as a source of momentum and energy to the gaseous phase is described and incorporated into a new computational scheme developed using conservative variables. Flow metering of gas-particle suspensions by a Venturi is analyzed to illustrate the applicability of this physico-computational model. The predicted pressure drop at the throat of the Venturi shows agreement with experimental data, establishing the capability of the model to treat the complex coupling phenomena in a physically appealing way through a convenient computational algorithm.

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